web/wp-includes/query.php
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     1 <?php
       
     2 /**
       
     3  * WordPress Query API
       
     4  *
       
     5  * The query API attempts to get which part of WordPress to the user is on. It
       
     6  * also provides functionality to getting URL query information.
       
     7  *
       
     8  * @link http://codex.wordpress.org/The_Loop More information on The Loop.
       
     9  *
       
    10  * @package WordPress
       
    11  * @subpackage Query
       
    12  */
       
    13 
       
    14 /**
       
    15  * Retrieve variable in the WP_Query class.
       
    16  *
       
    17  * @see WP_Query::get()
       
    18  * @since 1.5.0
       
    19  * @uses $wp_query
       
    20  *
       
    21  * @param string $var The variable key to retrieve.
       
    22  * @return mixed
       
    23  */
       
    24 function get_query_var($var) {
       
    25 	global $wp_query;
       
    26 
       
    27 	return $wp_query->get($var);
       
    28 }
       
    29 
       
    30 /**
       
    31  * Set query variable.
       
    32  *
       
    33  * @see WP_Query::set()
       
    34  * @since 2.2.0
       
    35  * @uses $wp_query
       
    36  *
       
    37  * @param string $var Query variable key.
       
    38  * @param mixed $value
       
    39  * @return null
       
    40  */
       
    41 function set_query_var($var, $value) {
       
    42 	global $wp_query;
       
    43 
       
    44 	return $wp_query->set($var, $value);
       
    45 }
       
    46 
       
    47 /**
       
    48  * Setup The Loop with query parameters.
       
    49  *
       
    50  * This will override the current WordPress Loop and shouldn't be used more than
       
    51  * once. This must not be used within the WordPress Loop.
       
    52  *
       
    53  * @since 1.5.0
       
    54  * @uses $wp_query
       
    55  *
       
    56  * @param string $query
       
    57  * @return array List of posts
       
    58  */
       
    59 function &query_posts($query) {
       
    60 	unset($GLOBALS['wp_query']);
       
    61 	$GLOBALS['wp_query'] =& new WP_Query();
       
    62 	return $GLOBALS['wp_query']->query($query);
       
    63 }
       
    64 
       
    65 /**
       
    66  * Destroy the previous query and setup a new query.
       
    67  *
       
    68  * This should be used after {@link query_posts()} and before another {@link
       
    69  * query_posts()}. This will remove obscure bugs that occur when the previous
       
    70  * wp_query object is not destroyed properly before another is setup.
       
    71  *
       
    72  * @since 2.3.0
       
    73  * @uses $wp_query
       
    74  */
       
    75 function wp_reset_query() {
       
    76 	unset($GLOBALS['wp_query']);
       
    77 	$GLOBALS['wp_query'] =& $GLOBALS['wp_the_query'];
       
    78 	global $wp_query;
       
    79 	if ( !empty($wp_query->post) ) {
       
    80 		$GLOBALS['post'] = $wp_query->post;
       
    81 		setup_postdata($wp_query->post);
       
    82 	}
       
    83 }
       
    84 
       
    85 /*
       
    86  * Query type checks.
       
    87  */
       
    88 
       
    89 /**
       
    90  * Whether the current request is in WordPress admin Panel
       
    91  *
       
    92  * Does not inform on whether the user is an admin! Use capability checks to
       
    93  * tell if the user should be accessing a section or not.
       
    94  *
       
    95  * @since 1.5.1
       
    96  *
       
    97  * @return bool True if inside WordPress administration pages.
       
    98  */
       
    99 function is_admin () {
       
   100 	if ( defined('WP_ADMIN') )
       
   101 		return WP_ADMIN;
       
   102 	return false;
       
   103 }
       
   104 
       
   105 /**
       
   106  * Is query requesting an archive page.
       
   107  *
       
   108  * @since 1.5.0
       
   109  * @uses $wp_query
       
   110  *
       
   111  * @return bool True if page is archive.
       
   112  */
       
   113 function is_archive () {
       
   114 	global $wp_query;
       
   115 
       
   116 	return $wp_query->is_archive;
       
   117 }
       
   118 
       
   119 /**
       
   120  * Is query requesting an attachment page.
       
   121  *
       
   122  * @since 2.0.0
       
   123  * @uses $wp_query
       
   124  *
       
   125  * @return bool True if page is attachment.
       
   126  */
       
   127 function is_attachment () {
       
   128 	global $wp_query;
       
   129 
       
   130 	return $wp_query->is_attachment;
       
   131 }
       
   132 
       
   133 /**
       
   134  * Is query requesting an author page.
       
   135  *
       
   136  * If the $author parameter is specified then the check will be expanded to
       
   137  * include whether the queried author matches the one given in the parameter.
       
   138  * You can match against integers and against strings.
       
   139  *
       
   140  * If matching against an integer, the ID should be used of the author for the
       
   141  * test. If the $author is an ID and matches the author page user ID, then
       
   142  * 'true' will be returned.
       
   143  *
       
   144  * If matching against strings, then the test will be matched against both the
       
   145  * nickname and user nicename and will return true on success.
       
   146  *
       
   147  * @since 1.5.0
       
   148  * @uses $wp_query
       
   149  *
       
   150  * @param string|int $author Optional. Is current page this author.
       
   151  * @return bool True if page is author or $author (if set).
       
   152  */
       
   153 function is_author ($author = '') {
       
   154 	global $wp_query;
       
   155 
       
   156 	if ( !$wp_query->is_author )
       
   157 		return false;
       
   158 
       
   159 	if ( empty($author) )
       
   160 		return true;
       
   161 
       
   162 	$author_obj = $wp_query->get_queried_object();
       
   163 
       
   164 	$author = (array) $author;
       
   165 
       
   166 	if ( in_array( $author_obj->ID, $author ) )
       
   167 		return true;
       
   168 	elseif ( in_array( $author_obj->nickname, $author ) )
       
   169 		return true;
       
   170 	elseif ( in_array( $author_obj->user_nicename, $author ) )
       
   171 		return true;
       
   172 
       
   173 	return false;
       
   174 }
       
   175 
       
   176 /**
       
   177  * Whether current page query contains a category name or given category name.
       
   178  *
       
   179  * The category list can contain category IDs, names, or category slugs. If any
       
   180  * of them are part of the query, then it will return true.
       
   181  *
       
   182  * @since 1.5.0
       
   183  * @uses $wp_query
       
   184  *
       
   185  * @param string|array $category Optional.
       
   186  * @return bool
       
   187  */
       
   188 function is_category ($category = '') {
       
   189 	global $wp_query;
       
   190 
       
   191 	if ( !$wp_query->is_category )
       
   192 		return false;
       
   193 
       
   194 	if ( empty($category) )
       
   195 		return true;
       
   196 
       
   197 	$cat_obj = $wp_query->get_queried_object();
       
   198 
       
   199 	$category = (array) $category;
       
   200 
       
   201 	if ( in_array( $cat_obj->term_id, $category ) )
       
   202 		return true;
       
   203 	elseif ( in_array( $cat_obj->name, $category ) )
       
   204 		return true;
       
   205 	elseif ( in_array( $cat_obj->slug, $category ) )
       
   206 		return true;
       
   207 
       
   208 	return false;
       
   209 }
       
   210 
       
   211 /**
       
   212  * Whether the current page query has the given tag slug or contains tag.
       
   213  *
       
   214  * @since 2.3.0
       
   215  * @uses $wp_query
       
   216  *
       
   217  * @param string|array $slug Optional. Single tag or list of tags to check for.
       
   218  * @return bool
       
   219  */
       
   220 function is_tag( $slug = '' ) {
       
   221 	global $wp_query;
       
   222 
       
   223 	if ( !$wp_query->is_tag )
       
   224 		return false;
       
   225 
       
   226 	if ( empty( $slug ) )
       
   227 		return true;
       
   228 
       
   229 	$tag_obj = $wp_query->get_queried_object();
       
   230 
       
   231 	$slug = (array) $slug;
       
   232 
       
   233 	if ( in_array( $tag_obj->slug, $slug ) )
       
   234 		return true;
       
   235 
       
   236 	return false;
       
   237 }
       
   238 
       
   239 /**
       
   240  * Whether the current page query has the given taxonomy slug or contains taxonomy.
       
   241  *
       
   242  * @since 2.5.0
       
   243  * @uses $wp_query
       
   244  *
       
   245  * @param string|array $slug Optional. Slug or slugs to check in current query.
       
   246  * @return bool
       
   247  */
       
   248 function is_tax( $slug = '' ) {
       
   249 	global $wp_query;
       
   250 
       
   251 	if ( !$wp_query->is_tax )
       
   252 		return false;
       
   253 
       
   254 	if ( empty($slug) )
       
   255 		return true;
       
   256 
       
   257 	$term = $wp_query->get_queried_object();
       
   258 
       
   259 	$slug = (array) $slug;
       
   260 
       
   261 	if ( in_array( $term->slug, $slug ) )
       
   262 		return true;
       
   263 
       
   264 	return false;
       
   265 }
       
   266 
       
   267 /**
       
   268  * Whether the current URL is within the comments popup window.
       
   269  *
       
   270  * @since 1.5.0
       
   271  * @uses $wp_query
       
   272  *
       
   273  * @return bool
       
   274  */
       
   275 function is_comments_popup () {
       
   276 	global $wp_query;
       
   277 
       
   278 	return $wp_query->is_comments_popup;
       
   279 }
       
   280 
       
   281 /**
       
   282  * Whether current URL is based on a date.
       
   283  *
       
   284  * @since 1.5.0
       
   285  * @uses $wp_query
       
   286  *
       
   287  * @return bool
       
   288  */
       
   289 function is_date () {
       
   290 	global $wp_query;
       
   291 
       
   292 	return $wp_query->is_date;
       
   293 }
       
   294 
       
   295 /**
       
   296  * Whether current blog URL contains a day.
       
   297  *
       
   298  * @since 1.5.0
       
   299  * @uses $wp_query
       
   300  *
       
   301  * @return bool
       
   302  */
       
   303 function is_day () {
       
   304 	global $wp_query;
       
   305 
       
   306 	return $wp_query->is_day;
       
   307 }
       
   308 
       
   309 /**
       
   310  * Whether current page query is feed URL.
       
   311  *
       
   312  * @since 1.5.0
       
   313  * @uses $wp_query
       
   314  *
       
   315  * @return bool
       
   316  */
       
   317 function is_feed () {
       
   318 	global $wp_query;
       
   319 
       
   320 	return $wp_query->is_feed;
       
   321 }
       
   322 
       
   323 /**
       
   324  * Whether current page query is the front of the site.
       
   325  *
       
   326  * @since 2.5.0
       
   327  * @uses is_home()
       
   328  * @uses get_option()
       
   329  *
       
   330  * @return bool True, if front of site.
       
   331  */
       
   332 function is_front_page () {
       
   333 	// most likely case
       
   334 	if ( 'posts' == get_option('show_on_front') && is_home() )
       
   335 		return true;
       
   336 	elseif ( 'page' == get_option('show_on_front') && get_option('page_on_front') && is_page(get_option('page_on_front')) )
       
   337 		return true;
       
   338 	else
       
   339 		return false;
       
   340 }
       
   341 
       
   342 /**
       
   343  * Whether current page view is the blog homepage.
       
   344  *
       
   345  * @since 1.5.0
       
   346  * @uses $wp_query
       
   347  *
       
   348  * @return bool True if blog view homepage.
       
   349  */
       
   350 function is_home () {
       
   351 	global $wp_query;
       
   352 
       
   353 	return $wp_query->is_home;
       
   354 }
       
   355 
       
   356 /**
       
   357  * Whether current page query contains a month.
       
   358  *
       
   359  * @since 1.5.0
       
   360  * @uses $wp_query
       
   361  *
       
   362  * @return bool
       
   363  */
       
   364 function is_month () {
       
   365 	global $wp_query;
       
   366 
       
   367 	return $wp_query->is_month;
       
   368 }
       
   369 
       
   370 /**
       
   371  * Whether query is page or contains given page(s).
       
   372  *
       
   373  * Calls the function without any parameters will only test whether the current
       
   374  * query is of the page type. Either a list or a single item can be tested
       
   375  * against for whether the query is a page and also is the value or one of the
       
   376  * values in the page parameter.
       
   377  *
       
   378  * The parameter can contain the page ID, page title, or page name. The
       
   379  * parameter can also be an array of those three values.
       
   380  *
       
   381  * @since 1.5.0
       
   382  * @uses $wp_query
       
   383  *
       
   384  * @param mixed $page Either page or list of pages to test against.
       
   385  * @return bool
       
   386  */
       
   387 function is_page ($page = '') {
       
   388 	global $wp_query;
       
   389 
       
   390 	if ( !$wp_query->is_page )
       
   391 		return false;
       
   392 
       
   393 	if ( empty($page) )
       
   394 		return true;
       
   395 
       
   396 	$page_obj = $wp_query->get_queried_object();
       
   397 
       
   398 	$page = (array) $page;
       
   399 
       
   400 	if ( in_array( $page_obj->ID, $page ) )
       
   401 		return true;
       
   402 	elseif ( in_array( $page_obj->post_title, $page ) )
       
   403 		return true;
       
   404 	else if ( in_array( $page_obj->post_name, $page ) )
       
   405 		return true;
       
   406 
       
   407 	return false;
       
   408 }
       
   409 
       
   410 /**
       
   411  * Whether query contains multiple pages for the results.
       
   412  *
       
   413  * @since 1.5.0
       
   414  * @uses $wp_query
       
   415  *
       
   416  * @return bool
       
   417  */
       
   418 function is_paged () {
       
   419 	global $wp_query;
       
   420 
       
   421 	return $wp_query->is_paged;
       
   422 }
       
   423 
       
   424 /**
       
   425  * Whether the current page was created by a plugin.
       
   426  *
       
   427  * The plugin can set this by using the global $plugin_page and setting it to
       
   428  * true.
       
   429  *
       
   430  * @since 1.5.0
       
   431  * @global bool $plugin_page Used by plugins to tell the query that current is a plugin page.
       
   432  *
       
   433  * @return bool
       
   434  */
       
   435 function is_plugin_page() {
       
   436 	global $plugin_page;
       
   437 
       
   438 	if ( isset($plugin_page) )
       
   439 		return true;
       
   440 
       
   441 	return false;
       
   442 }
       
   443 
       
   444 /**
       
   445  * Whether the current query is preview of post or page.
       
   446  *
       
   447  * @since 2.0.0
       
   448  * @uses $wp_query
       
   449  *
       
   450  * @return bool
       
   451  */
       
   452 function is_preview() {
       
   453 	global $wp_query;
       
   454 
       
   455 	return $wp_query->is_preview;
       
   456 }
       
   457 
       
   458 /**
       
   459  * Whether the current query post is robots.
       
   460  *
       
   461  * @since 2.1.0
       
   462  * @uses $wp_query
       
   463  *
       
   464  * @return bool
       
   465  */
       
   466 function is_robots() {
       
   467 	global $wp_query;
       
   468 
       
   469 	return $wp_query->is_robots;
       
   470 }
       
   471 
       
   472 /**
       
   473  * Whether current query is the result of a user search.
       
   474  *
       
   475  * @since 1.5.0
       
   476  * @uses $wp_query
       
   477  *
       
   478  * @return bool
       
   479  */
       
   480 function is_search () {
       
   481 	global $wp_query;
       
   482 
       
   483 	return $wp_query->is_search;
       
   484 }
       
   485 
       
   486 /**
       
   487  * Whether the current page query is single page.
       
   488  *
       
   489  * The parameter can contain the post ID, post title, or post name. The
       
   490  * parameter can also be an array of those three values.
       
   491  *
       
   492  * This applies to other post types, attachments, pages, posts. Just means that
       
   493  * the current query has only a single object.
       
   494  *
       
   495  * @since 1.5.0
       
   496  * @uses $wp_query
       
   497  *
       
   498  * @param mixed $post Either post or list of posts to test against.
       
   499  * @return bool
       
   500  */
       
   501 function is_single ($post = '') {
       
   502 	global $wp_query;
       
   503 
       
   504 	if ( !$wp_query->is_single )
       
   505 		return false;
       
   506 
       
   507 	if ( empty( $post) )
       
   508 		return true;
       
   509 
       
   510 	$post_obj = $wp_query->get_queried_object();
       
   511 
       
   512 	$post = (array) $post;
       
   513 
       
   514 	if ( in_array( $post_obj->ID, $post ) )
       
   515 		return true;
       
   516 	elseif ( in_array( $post_obj->post_title, $post ) )
       
   517 		return true;
       
   518 	elseif ( in_array( $post_obj->post_name, $post ) )
       
   519 		return true;
       
   520 
       
   521 	return false;
       
   522 }
       
   523 
       
   524 /**
       
   525  * Whether is single post, is a page, or is an attachment.
       
   526  *
       
   527  * @since 1.5.0
       
   528  * @uses $wp_query
       
   529  *
       
   530  * @return bool
       
   531  */
       
   532 function is_singular() {
       
   533 	global $wp_query;
       
   534 
       
   535 	return $wp_query->is_singular;
       
   536 }
       
   537 
       
   538 /**
       
   539  * Whether the query contains a time.
       
   540  *
       
   541  * @since 1.5.0
       
   542  * @uses $wp_query
       
   543  *
       
   544  * @return bool
       
   545  */
       
   546 function is_time () {
       
   547 	global $wp_query;
       
   548 
       
   549 	return $wp_query->is_time;
       
   550 }
       
   551 
       
   552 /**
       
   553  * Whether the query is a trackback.
       
   554  *
       
   555  * @since 1.5.0
       
   556  * @uses $wp_query
       
   557  *
       
   558  * @return bool
       
   559  */
       
   560 function is_trackback () {
       
   561 	global $wp_query;
       
   562 
       
   563 	return $wp_query->is_trackback;
       
   564 }
       
   565 
       
   566 /**
       
   567  * Whether the query contains a year.
       
   568  *
       
   569  * @since 1.5.0
       
   570  * @uses $wp_query
       
   571  *
       
   572  * @return bool
       
   573  */
       
   574 function is_year () {
       
   575 	global $wp_query;
       
   576 
       
   577 	return $wp_query->is_year;
       
   578 }
       
   579 
       
   580 /**
       
   581  * Whether current page query is a 404 and no results for WordPress query.
       
   582  *
       
   583  * @since 1.5.0
       
   584  * @uses $wp_query
       
   585  *
       
   586  * @return bool True, if nothing is found matching WordPress Query.
       
   587  */
       
   588 function is_404 () {
       
   589 	global $wp_query;
       
   590 
       
   591 	return $wp_query->is_404;
       
   592 }
       
   593 
       
   594 /*
       
   595  * The Loop.  Post loop control.
       
   596  */
       
   597 
       
   598 /**
       
   599  * Whether current WordPress query has results to loop over.
       
   600  *
       
   601  * @see WP_Query::have_posts()
       
   602  * @since 1.5.0
       
   603  * @uses $wp_query
       
   604  *
       
   605  * @return bool
       
   606  */
       
   607 function have_posts() {
       
   608 	global $wp_query;
       
   609 
       
   610 	return $wp_query->have_posts();
       
   611 }
       
   612 
       
   613 /**
       
   614  * Whether the caller is in the Loop.
       
   615  *
       
   616  * @since 2.0.0
       
   617  * @uses $wp_query
       
   618  *
       
   619  * @return bool True if caller is within loop, false if loop hasn't started or ended.
       
   620  */
       
   621 function in_the_loop() {
       
   622 	global $wp_query;
       
   623 
       
   624 	return $wp_query->in_the_loop;
       
   625 }
       
   626 
       
   627 /**
       
   628  * Rewind the loop posts.
       
   629  *
       
   630  * @see WP_Query::rewind_posts()
       
   631  * @since 1.5.0
       
   632  * @uses $wp_query
       
   633  *
       
   634  * @return null
       
   635  */
       
   636 function rewind_posts() {
       
   637 	global $wp_query;
       
   638 
       
   639 	return $wp_query->rewind_posts();
       
   640 }
       
   641 
       
   642 /**
       
   643  * Iterate the post index in the loop.
       
   644  *
       
   645  * @see WP_Query::the_post()
       
   646  * @since 1.5.0
       
   647  * @uses $wp_query
       
   648  */
       
   649 function the_post() {
       
   650 	global $wp_query;
       
   651 
       
   652 	$wp_query->the_post();
       
   653 }
       
   654 
       
   655 /*
       
   656  * Comments loop.
       
   657  */
       
   658 
       
   659 /**
       
   660  * Whether there are comments to loop over.
       
   661  *
       
   662  * @see WP_Query::have_comments()
       
   663  * @since 2.2.0
       
   664  * @uses $wp_query
       
   665  *
       
   666  * @return bool
       
   667  */
       
   668 function have_comments() {
       
   669 	global $wp_query;
       
   670 	return $wp_query->have_comments();
       
   671 }
       
   672 
       
   673 /**
       
   674  * Iterate comment index in the comment loop.
       
   675  *
       
   676  * @see WP_Query::the_comment()
       
   677  * @since 2.2.0
       
   678  * @uses $wp_query
       
   679  *
       
   680  * @return object
       
   681  */
       
   682 function the_comment() {
       
   683 	global $wp_query;
       
   684 	return $wp_query->the_comment();
       
   685 }
       
   686 
       
   687 /*
       
   688  * WP_Query
       
   689  */
       
   690 
       
   691 /**
       
   692  * The WordPress Query class.
       
   693  *
       
   694  * @link http://codex.wordpress.org/Function_Reference/WP_Query Codex page.
       
   695  *
       
   696  * @since 1.5.0
       
   697  */
       
   698 class WP_Query {
       
   699 
       
   700 	/**
       
   701 	 * Query string
       
   702 	 *
       
   703 	 * @since 1.5.0
       
   704 	 * @access public
       
   705 	 * @var string
       
   706 	 */
       
   707 	var $query;
       
   708 
       
   709 	/**
       
   710 	 * Query search variables set by the user.
       
   711 	 *
       
   712 	 * @since 1.5.0
       
   713 	 * @access public
       
   714 	 * @var array
       
   715 	 */
       
   716 	var $query_vars = array();
       
   717 
       
   718 	/**
       
   719 	 * Holds the data for a single object that is queried.
       
   720 	 *
       
   721 	 * Holds the contents of a post, page, category, attachment.
       
   722 	 *
       
   723 	 * @since 1.5.0
       
   724 	 * @access public
       
   725 	 * @var object|array
       
   726 	 */
       
   727 	var $queried_object;
       
   728 
       
   729 	/**
       
   730 	 * The ID of the queried object.
       
   731 	 *
       
   732 	 * @since 1.5.0
       
   733 	 * @access public
       
   734 	 * @var int
       
   735 	 */
       
   736 	var $queried_object_id;
       
   737 
       
   738 	/**
       
   739 	 * Get post database query.
       
   740 	 *
       
   741 	 * @since 2.0.1
       
   742 	 * @access public
       
   743 	 * @var string
       
   744 	 */
       
   745 	var $request;
       
   746 
       
   747 	/**
       
   748 	 * List of posts.
       
   749 	 *
       
   750 	 * @since 1.5.0
       
   751 	 * @access public
       
   752 	 * @var array
       
   753 	 */
       
   754 	var $posts;
       
   755 
       
   756 	/**
       
   757 	 * The amount of posts for the current query.
       
   758 	 *
       
   759 	 * @since 1.5.0
       
   760 	 * @access public
       
   761 	 * @var int
       
   762 	 */
       
   763 	var $post_count = 0;
       
   764 
       
   765 	/**
       
   766 	 * Index of the current item in the loop.
       
   767 	 *
       
   768 	 * @since 1.5.0
       
   769 	 * @access public
       
   770 	 * @var int
       
   771 	 */
       
   772 	var $current_post = -1;
       
   773 
       
   774 	/**
       
   775 	 * Whether the loop has started and the caller is in the loop.
       
   776 	 *
       
   777 	 * @since 2.0.0
       
   778 	 * @access public
       
   779 	 * @var bool
       
   780 	 */
       
   781 	var $in_the_loop = false;
       
   782 
       
   783 	/**
       
   784 	 * The current post ID.
       
   785 	 *
       
   786 	 * @since 1.5.0
       
   787 	 * @access public
       
   788 	 * @var int
       
   789 	 */
       
   790 	var $post;
       
   791 
       
   792 	/**
       
   793 	 * The list of comments for current post.
       
   794 	 *
       
   795 	 * @since 2.2.0
       
   796 	 * @access public
       
   797 	 * @var array
       
   798 	 */
       
   799 	var $comments;
       
   800 
       
   801 	/**
       
   802 	 * The amount of comments for the posts.
       
   803 	 *
       
   804 	 * @since 2.2.0
       
   805 	 * @access public
       
   806 	 * @var int
       
   807 	 */
       
   808 	var $comment_count = 0;
       
   809 
       
   810 	/**
       
   811 	 * The index of the comment in the comment loop.
       
   812 	 *
       
   813 	 * @since 2.2.0
       
   814 	 * @access public
       
   815 	 * @var int
       
   816 	 */
       
   817 	var $current_comment = -1;
       
   818 
       
   819 	/**
       
   820 	 * Current comment ID.
       
   821 	 *
       
   822 	 * @since 2.2.0
       
   823 	 * @access public
       
   824 	 * @var int
       
   825 	 */
       
   826 	var $comment;
       
   827 
       
   828 	/**
       
   829 	 * Amount of posts if limit clause was not used.
       
   830 	 *
       
   831 	 * @since 2.1.0
       
   832 	 * @access public
       
   833 	 * @var int
       
   834 	 */
       
   835 	var $found_posts = 0;
       
   836 
       
   837 	/**
       
   838 	 * The amount of pages.
       
   839 	 *
       
   840 	 * @since 2.1.0
       
   841 	 * @access public
       
   842 	 * @var int
       
   843 	 */
       
   844 	var $max_num_pages = 0;
       
   845 
       
   846 	/**
       
   847 	 * The amount of comment pages.
       
   848 	 *
       
   849 	 * @since 2.7.0
       
   850 	 * @access public
       
   851 	 * @var int
       
   852 	 */
       
   853 	var $max_num_comment_pages = 0;
       
   854 
       
   855 	/**
       
   856 	 * Set if query is single post.
       
   857 	 *
       
   858 	 * @since 1.5.0
       
   859 	 * @access public
       
   860 	 * @var bool
       
   861 	 */
       
   862 	var $is_single = false;
       
   863 
       
   864 	/**
       
   865 	 * Set if query is preview of blog.
       
   866 	 *
       
   867 	 * @since 2.0.0
       
   868 	 * @access public
       
   869 	 * @var bool
       
   870 	 */
       
   871 	var $is_preview = false;
       
   872 
       
   873 	/**
       
   874 	 * Set if query returns a page.
       
   875 	 *
       
   876 	 * @since 1.5.0
       
   877 	 * @access public
       
   878 	 * @var bool
       
   879 	 */
       
   880 	var $is_page = false;
       
   881 
       
   882 	/**
       
   883 	 * Set if query is an archive list.
       
   884 	 *
       
   885 	 * @since 1.5.0
       
   886 	 * @access public
       
   887 	 * @var bool
       
   888 	 */
       
   889 	var $is_archive = false;
       
   890 
       
   891 	/**
       
   892 	 * Set if query is part of a date.
       
   893 	 *
       
   894 	 * @since 1.5.0
       
   895 	 * @access public
       
   896 	 * @var bool
       
   897 	 */
       
   898 	var $is_date = false;
       
   899 
       
   900 	/**
       
   901 	 * Set if query contains a year.
       
   902 	 *
       
   903 	 * @since 1.5.0
       
   904 	 * @access public
       
   905 	 * @var bool
       
   906 	 */
       
   907 	var $is_year = false;
       
   908 
       
   909 	/**
       
   910 	 * Set if query contains a month.
       
   911 	 *
       
   912 	 * @since 1.5.0
       
   913 	 * @access public
       
   914 	 * @var bool
       
   915 	 */
       
   916 	var $is_month = false;
       
   917 
       
   918 	/**
       
   919 	 * Set if query contains a day.
       
   920 	 *
       
   921 	 * @since 1.5.0
       
   922 	 * @access public
       
   923 	 * @var bool
       
   924 	 */
       
   925 	var $is_day = false;
       
   926 
       
   927 	/**
       
   928 	 * Set if query contains time.
       
   929 	 *
       
   930 	 * @since 1.5.0
       
   931 	 * @access public
       
   932 	 * @var bool
       
   933 	 */
       
   934 	var $is_time = false;
       
   935 
       
   936 	/**
       
   937 	 * Set if query contains an author.
       
   938 	 *
       
   939 	 * @since 1.5.0
       
   940 	 * @access public
       
   941 	 * @var bool
       
   942 	 */
       
   943 	var $is_author = false;
       
   944 
       
   945 	/**
       
   946 	 * Set if query contains category.
       
   947 	 *
       
   948 	 * @since 1.5.0
       
   949 	 * @access public
       
   950 	 * @var bool
       
   951 	 */
       
   952 	var $is_category = false;
       
   953 
       
   954 	/**
       
   955 	 * Set if query contains tag.
       
   956 	 *
       
   957 	 * @since 2.3.0
       
   958 	 * @access public
       
   959 	 * @var bool
       
   960 	 */
       
   961 	var $is_tag = false;
       
   962 
       
   963 	/**
       
   964 	 * Set if query contains taxonomy.
       
   965 	 *
       
   966 	 * @since 2.5.0
       
   967 	 * @access public
       
   968 	 * @var bool
       
   969 	 */
       
   970 	var $is_tax = false;
       
   971 
       
   972 	/**
       
   973 	 * Set if query was part of a search result.
       
   974 	 *
       
   975 	 * @since 1.5.0
       
   976 	 * @access public
       
   977 	 * @var bool
       
   978 	 */
       
   979 	var $is_search = false;
       
   980 
       
   981 	/**
       
   982 	 * Set if query is feed display.
       
   983 	 *
       
   984 	 * @since 1.5.0
       
   985 	 * @access public
       
   986 	 * @var bool
       
   987 	 */
       
   988 	var $is_feed = false;
       
   989 
       
   990 	/**
       
   991 	 * Set if query is comment feed display.
       
   992 	 *
       
   993 	 * @since 2.2.0
       
   994 	 * @access public
       
   995 	 * @var bool
       
   996 	 */
       
   997 	var $is_comment_feed = false;
       
   998 
       
   999 	/**
       
  1000 	 * Set if query is trackback.
       
  1001 	 *
       
  1002 	 * @since 1.5.0
       
  1003 	 * @access public
       
  1004 	 * @var bool
       
  1005 	 */
       
  1006 	var $is_trackback = false;
       
  1007 
       
  1008 	/**
       
  1009 	 * Set if query is blog homepage.
       
  1010 	 *
       
  1011 	 * @since 1.5.0
       
  1012 	 * @access public
       
  1013 	 * @var bool
       
  1014 	 */
       
  1015 	var $is_home = false;
       
  1016 
       
  1017 	/**
       
  1018 	 * Set if query couldn't found anything.
       
  1019 	 *
       
  1020 	 * @since 1.5.0
       
  1021 	 * @access public
       
  1022 	 * @var bool
       
  1023 	 */
       
  1024 	var $is_404 = false;
       
  1025 
       
  1026 	/**
       
  1027 	 * Set if query is within comments popup window.
       
  1028 	 *
       
  1029 	 * @since 1.5.0
       
  1030 	 * @access public
       
  1031 	 * @var bool
       
  1032 	 */
       
  1033 	var $is_comments_popup = false;
       
  1034 
       
  1035 	/**
       
  1036 	 * Set if query is part of administration page.
       
  1037 	 *
       
  1038 	 * @since 1.5.0
       
  1039 	 * @access public
       
  1040 	 * @var bool
       
  1041 	 */
       
  1042 	var $is_admin = false;
       
  1043 
       
  1044 	/**
       
  1045 	 * Set if query is an attachment.
       
  1046 	 *
       
  1047 	 * @since 2.0.0
       
  1048 	 * @access public
       
  1049 	 * @var bool
       
  1050 	 */
       
  1051 	var $is_attachment = false;
       
  1052 
       
  1053 	/**
       
  1054 	 * Set if is single, is a page, or is an attachment.
       
  1055 	 *
       
  1056 	 * @since 2.1.0
       
  1057 	 * @access public
       
  1058 	 * @var bool
       
  1059 	 */
       
  1060 	var $is_singular = false;
       
  1061 
       
  1062 	/**
       
  1063 	 * Set if query is for robots.
       
  1064 	 *
       
  1065 	 * @since 2.1.0
       
  1066 	 * @access public
       
  1067 	 * @var bool
       
  1068 	 */
       
  1069 	var $is_robots = false;
       
  1070 
       
  1071 	/**
       
  1072 	 * Set if query contains posts.
       
  1073 	 *
       
  1074 	 * Basically, the homepage if the option isn't set for the static homepage.
       
  1075 	 *
       
  1076 	 * @since 2.1.0
       
  1077 	 * @access public
       
  1078 	 * @var bool
       
  1079 	 */
       
  1080 	var $is_posts_page = false;
       
  1081 
       
  1082 	/**
       
  1083 	 * Resets query flags to false.
       
  1084 	 *
       
  1085 	 * The query flags are what page info WordPress was able to figure out.
       
  1086 	 *
       
  1087 	 * @since 2.0.0
       
  1088 	 * @access private
       
  1089 	 */
       
  1090 	function init_query_flags() {
       
  1091 		$this->is_single = false;
       
  1092 		$this->is_page = false;
       
  1093 		$this->is_archive = false;
       
  1094 		$this->is_date = false;
       
  1095 		$this->is_year = false;
       
  1096 		$this->is_month = false;
       
  1097 		$this->is_day = false;
       
  1098 		$this->is_time = false;
       
  1099 		$this->is_author = false;
       
  1100 		$this->is_category = false;
       
  1101 		$this->is_tag = false;
       
  1102 		$this->is_tax = false;
       
  1103 		$this->is_search = false;
       
  1104 		$this->is_feed = false;
       
  1105 		$this->is_comment_feed = false;
       
  1106 		$this->is_trackback = false;
       
  1107 		$this->is_home = false;
       
  1108 		$this->is_404 = false;
       
  1109 		$this->is_paged = false;
       
  1110 		$this->is_admin = false;
       
  1111 		$this->is_attachment = false;
       
  1112 		$this->is_singular = false;
       
  1113 		$this->is_robots = false;
       
  1114 		$this->is_posts_page = false;
       
  1115 	}
       
  1116 
       
  1117 	/**
       
  1118 	 * Initiates object properties and sets default values.
       
  1119 	 *
       
  1120 	 * @since 1.5.0
       
  1121 	 * @access public
       
  1122 	 */
       
  1123 	function init () {
       
  1124 		unset($this->posts);
       
  1125 		unset($this->query);
       
  1126 		$this->query_vars = array();
       
  1127 		unset($this->queried_object);
       
  1128 		unset($this->queried_object_id);
       
  1129 		$this->post_count = 0;
       
  1130 		$this->current_post = -1;
       
  1131 		$this->in_the_loop = false;
       
  1132 
       
  1133 		$this->init_query_flags();
       
  1134 	}
       
  1135 
       
  1136 	/**
       
  1137 	 * Reparse the query vars.
       
  1138 	 *
       
  1139 	 * @since 1.5.0
       
  1140 	 * @access public
       
  1141 	 */
       
  1142 	function parse_query_vars() {
       
  1143 		$this->parse_query('');
       
  1144 	}
       
  1145 
       
  1146 	/**
       
  1147 	 * Fills in the query variables, which do not exist within the parameter.
       
  1148 	 *
       
  1149 	 * @since 2.1.0
       
  1150 	 * @access public
       
  1151 	 *
       
  1152 	 * @param array $array Defined query variables.
       
  1153 	 * @return array Complete query variables with undefined ones filled in empty.
       
  1154 	 */
       
  1155 	function fill_query_vars($array) {
       
  1156 		$keys = array(
       
  1157 			'error'
       
  1158 			, 'm'
       
  1159 			, 'p'
       
  1160 			, 'post_parent'
       
  1161 			, 'subpost'
       
  1162 			, 'subpost_id'
       
  1163 			, 'attachment'
       
  1164 			, 'attachment_id'
       
  1165 			, 'name'
       
  1166 			, 'hour'
       
  1167 			, 'static'
       
  1168 			, 'pagename'
       
  1169 			, 'page_id'
       
  1170 			, 'second'
       
  1171 			, 'minute'
       
  1172 			, 'hour'
       
  1173 			, 'day'
       
  1174 			, 'monthnum'
       
  1175 			, 'year'
       
  1176 			, 'w'
       
  1177 			, 'category_name'
       
  1178 			, 'tag'
       
  1179 			, 'cat'
       
  1180 			, 'tag_id'
       
  1181 			, 'author_name'
       
  1182 			, 'feed'
       
  1183 			, 'tb'
       
  1184 			, 'paged'
       
  1185 			, 'comments_popup'
       
  1186 			, 'meta_key'
       
  1187 			, 'meta_value'
       
  1188 			, 'preview'
       
  1189 		);
       
  1190 
       
  1191 		foreach ($keys as $key) {
       
  1192 			if ( !isset($array[$key]))
       
  1193 				$array[$key] = '';
       
  1194 		}
       
  1195 
       
  1196 		$array_keys = array('category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in',
       
  1197 			'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and');
       
  1198 
       
  1199 		foreach ( $array_keys as $key ) {
       
  1200 			if ( !isset($array[$key]))
       
  1201 				$array[$key] = array();
       
  1202 		}
       
  1203 		return $array;
       
  1204 	}
       
  1205 
       
  1206 	/**
       
  1207 	 * Parse a query string and set query type booleans.
       
  1208 	 *
       
  1209 	 * @since 1.5.0
       
  1210 	 * @access public
       
  1211 	 *
       
  1212 	 * @param string|array $query
       
  1213 	 */
       
  1214 	function parse_query ($query) {
       
  1215 		if ( !empty($query) || !isset($this->query) ) {
       
  1216 			$this->init();
       
  1217 			if ( is_array($query) )
       
  1218 				$this->query_vars = $query;
       
  1219 			else
       
  1220 				parse_str($query, $this->query_vars);
       
  1221 			$this->query = $query;
       
  1222 		}
       
  1223 
       
  1224 		$this->query_vars = $this->fill_query_vars($this->query_vars);
       
  1225 		$qv = &$this->query_vars;
       
  1226 
       
  1227 		if ( ! empty($qv['robots']) )
       
  1228 			$this->is_robots = true;
       
  1229 
       
  1230 		$qv['p'] =  absint($qv['p']);
       
  1231 		$qv['page_id'] =  absint($qv['page_id']);
       
  1232 		$qv['year'] = absint($qv['year']);
       
  1233 		$qv['monthnum'] = absint($qv['monthnum']);
       
  1234 		$qv['day'] = absint($qv['day']);
       
  1235 		$qv['w'] = absint($qv['w']);
       
  1236 		$qv['m'] = absint($qv['m']);
       
  1237 		$qv['paged'] = absint($qv['paged']);
       
  1238 		$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
       
  1239 		$qv['pagename'] = trim( $qv['pagename'] );
       
  1240 		$qv['name'] = trim( $qv['name'] );
       
  1241 		if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']);
       
  1242 		if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']);
       
  1243 		if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']);
       
  1244 
       
  1245 		// Compat.  Map subpost to attachment.
       
  1246 		if ( '' != $qv['subpost'] )
       
  1247 			$qv['attachment'] = $qv['subpost'];
       
  1248 		if ( '' != $qv['subpost_id'] )
       
  1249 			$qv['attachment_id'] = $qv['subpost_id'];
       
  1250 
       
  1251 		$qv['attachment_id'] = absint($qv['attachment_id']);
       
  1252 
       
  1253 		if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) {
       
  1254 			$this->is_single = true;
       
  1255 			$this->is_attachment = true;
       
  1256 		} elseif ( '' != $qv['name'] ) {
       
  1257 			$this->is_single = true;
       
  1258 		} elseif ( $qv['p'] ) {
       
  1259 			$this->is_single = true;
       
  1260 		} elseif ( ('' !== $qv['hour']) && ('' !== $qv['minute']) &&('' !== $qv['second']) && ('' != $qv['year']) && ('' != $qv['monthnum']) && ('' != $qv['day']) ) {
       
  1261 			// If year, month, day, hour, minute, and second are set, a single
       
  1262 			// post is being queried.
       
  1263 			$this->is_single = true;
       
  1264 		} elseif ( '' != $qv['static'] || '' != $qv['pagename'] || !empty($qv['page_id']) ) {
       
  1265 			$this->is_page = true;
       
  1266 			$this->is_single = false;
       
  1267 		} elseif ( !empty($qv['s']) ) {
       
  1268 			$this->is_search = true;
       
  1269 		} else {
       
  1270 		// Look for archive queries.  Dates, categories, authors.
       
  1271 
       
  1272 			if ( '' !== $qv['second'] ) {
       
  1273 				$this->is_time = true;
       
  1274 				$this->is_date = true;
       
  1275 			}
       
  1276 
       
  1277 			if ( '' !== $qv['minute'] ) {
       
  1278 				$this->is_time = true;
       
  1279 				$this->is_date = true;
       
  1280 			}
       
  1281 
       
  1282 			if ( '' !== $qv['hour'] ) {
       
  1283 				$this->is_time = true;
       
  1284 				$this->is_date = true;
       
  1285 			}
       
  1286 
       
  1287 			if ( $qv['day'] ) {
       
  1288 				if (! $this->is_date) {
       
  1289 					$this->is_day = true;
       
  1290 					$this->is_date = true;
       
  1291 				}
       
  1292 			}
       
  1293 
       
  1294 			if ( $qv['monthnum'] ) {
       
  1295 				if (! $this->is_date) {
       
  1296 					$this->is_month = true;
       
  1297 					$this->is_date = true;
       
  1298 				}
       
  1299 			}
       
  1300 
       
  1301 			if ( $qv['year'] ) {
       
  1302 				if (! $this->is_date) {
       
  1303 					$this->is_year = true;
       
  1304 					$this->is_date = true;
       
  1305 				}
       
  1306 			}
       
  1307 
       
  1308 			if ( $qv['m'] ) {
       
  1309 				$this->is_date = true;
       
  1310 				if (strlen($qv['m']) > 9) {
       
  1311 					$this->is_time = true;
       
  1312 				} else if (strlen($qv['m']) > 7) {
       
  1313 					$this->is_day = true;
       
  1314 				} else if (strlen($qv['m']) > 5) {
       
  1315 					$this->is_month = true;
       
  1316 				} else {
       
  1317 					$this->is_year = true;
       
  1318 				}
       
  1319 			}
       
  1320 
       
  1321 			if ('' != $qv['w']) {
       
  1322 				$this->is_date = true;
       
  1323 			}
       
  1324 
       
  1325 			if ( empty($qv['cat']) || ($qv['cat'] == '0') ) {
       
  1326 				$this->is_category = false;
       
  1327 			} else {
       
  1328 				if (strpos($qv['cat'], '-') !== false) {
       
  1329 					$this->is_category = false;
       
  1330 				} else {
       
  1331 					$this->is_category = true;
       
  1332 				}
       
  1333 			}
       
  1334 
       
  1335 			if ( '' != $qv['category_name'] ) {
       
  1336 				$this->is_category = true;
       
  1337 			}
       
  1338 
       
  1339 			if ( !is_array($qv['category__in']) || empty($qv['category__in']) ) {
       
  1340 				$qv['category__in'] = array();
       
  1341 			} else {
       
  1342 				$qv['category__in'] = array_map('absint', $qv['category__in']);
       
  1343 				$this->is_category = true;
       
  1344 			}
       
  1345 
       
  1346 			if ( !is_array($qv['category__not_in']) || empty($qv['category__not_in']) ) {
       
  1347 				$qv['category__not_in'] = array();
       
  1348 			} else {
       
  1349 				$qv['category__not_in'] = array_map('absint', $qv['category__not_in']);
       
  1350 			}
       
  1351 
       
  1352 			if ( !is_array($qv['category__and']) || empty($qv['category__and']) ) {
       
  1353 				$qv['category__and'] = array();
       
  1354 			} else {
       
  1355 				$qv['category__and'] = array_map('absint', $qv['category__and']);
       
  1356 				$this->is_category = true;
       
  1357 			}
       
  1358 
       
  1359 			if (  '' != $qv['tag'] )
       
  1360 				$this->is_tag = true;
       
  1361 
       
  1362 			$qv['tag_id'] = absint($qv['tag_id']);
       
  1363 			if (  !empty($qv['tag_id']) )
       
  1364 				$this->is_tag = true;
       
  1365 
       
  1366 			if ( !is_array($qv['tag__in']) || empty($qv['tag__in']) ) {
       
  1367 				$qv['tag__in'] = array();
       
  1368 			} else {
       
  1369 				$qv['tag__in'] = array_map('absint', $qv['tag__in']);
       
  1370 				$this->is_tag = true;
       
  1371 			}
       
  1372 
       
  1373 			if ( !is_array($qv['tag__not_in']) || empty($qv['tag__not_in']) ) {
       
  1374 				$qv['tag__not_in'] = array();
       
  1375 			} else {
       
  1376 				$qv['tag__not_in'] = array_map('absint', $qv['tag__not_in']);
       
  1377 			}
       
  1378 
       
  1379 			if ( !is_array($qv['tag__and']) || empty($qv['tag__and']) ) {
       
  1380 				$qv['tag__and'] = array();
       
  1381 			} else {
       
  1382 				$qv['tag__and'] = array_map('absint', $qv['tag__and']);
       
  1383 				$this->is_category = true;
       
  1384 			}
       
  1385 
       
  1386 			if ( !is_array($qv['tag_slug__in']) || empty($qv['tag_slug__in']) ) {
       
  1387 				$qv['tag_slug__in'] = array();
       
  1388 			} else {
       
  1389 				$qv['tag_slug__in'] = array_map('sanitize_title', $qv['tag_slug__in']);
       
  1390 				$this->is_tag = true;
       
  1391 			}
       
  1392 
       
  1393 			if ( !is_array($qv['tag_slug__and']) || empty($qv['tag_slug__and']) ) {
       
  1394 				$qv['tag_slug__and'] = array();
       
  1395 			} else {
       
  1396 				$qv['tag_slug__and'] = array_map('sanitize_title', $qv['tag_slug__and']);
       
  1397 				$this->is_tag = true;
       
  1398 			}
       
  1399 
       
  1400 			if ( empty($qv['taxonomy']) || empty($qv['term']) ) {
       
  1401 				$this->is_tax = false;
       
  1402 				foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) {
       
  1403 					if ( $t->query_var && isset($qv[$t->query_var]) && '' != $qv[$t->query_var] ) {
       
  1404 						$qv['taxonomy'] = $taxonomy;
       
  1405 						$qv['term'] = $qv[$t->query_var];
       
  1406 						$this->is_tax = true;
       
  1407 						break;
       
  1408 					}
       
  1409 				}
       
  1410 			} else {
       
  1411 				$this->is_tax = true;
       
  1412 			}
       
  1413 
       
  1414 			if ( empty($qv['author']) || ($qv['author'] == '0') ) {
       
  1415 				$this->is_author = false;
       
  1416 			} else {
       
  1417 				$this->is_author = true;
       
  1418 			}
       
  1419 
       
  1420 			if ( '' != $qv['author_name'] ) {
       
  1421 				$this->is_author = true;
       
  1422 			}
       
  1423 
       
  1424 			if ( ($this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax) )
       
  1425 				$this->is_archive = true;
       
  1426 		}
       
  1427 
       
  1428 		if ( '' != $qv['feed'] )
       
  1429 			$this->is_feed = true;
       
  1430 
       
  1431 		if ( '' != $qv['tb'] )
       
  1432 			$this->is_trackback = true;
       
  1433 
       
  1434 		if ( '' != $qv['paged'] )
       
  1435 			$this->is_paged = true;
       
  1436 
       
  1437 		if ( '' != $qv['comments_popup'] )
       
  1438 			$this->is_comments_popup = true;
       
  1439 
       
  1440 		// if we're previewing inside the write screen
       
  1441 		if ('' != $qv['preview'])
       
  1442 			$this->is_preview = true;
       
  1443 
       
  1444 		if ( is_admin() )
       
  1445 			$this->is_admin = true;
       
  1446 
       
  1447 		if ( false !== strpos($qv['feed'], 'comments-') ) {
       
  1448 			$qv['feed'] = str_replace('comments-', '', $qv['feed']);
       
  1449 			$qv['withcomments'] = 1;
       
  1450 		}
       
  1451 
       
  1452 		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
       
  1453 
       
  1454 		if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
       
  1455 			$this->is_comment_feed = true;
       
  1456 
       
  1457 		if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup || $this->is_robots ) )
       
  1458 			$this->is_home = true;
       
  1459 
       
  1460 		// Correct is_* for page_on_front and page_for_posts
       
  1461 		if ( $this->is_home && ( empty($this->query) || $qv['preview'] == 'true' ) && 'page' == get_option('show_on_front') && get_option('page_on_front') ) {
       
  1462 			$this->is_page = true;
       
  1463 			$this->is_home = false;
       
  1464 			$qv['page_id'] = get_option('page_on_front');
       
  1465 		}
       
  1466 
       
  1467 		if ( '' != $qv['pagename'] ) {
       
  1468 			$this->queried_object =& get_page_by_path($qv['pagename']);
       
  1469 			if ( !empty($this->queried_object) )
       
  1470 				$this->queried_object_id = (int) $this->queried_object->ID;
       
  1471 			else
       
  1472 				unset($this->queried_object);
       
  1473 
       
  1474 			if  ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) {
       
  1475 				$this->is_page = false;
       
  1476 				$this->is_home = true;
       
  1477 				$this->is_posts_page = true;
       
  1478 			}
       
  1479 		}
       
  1480 
       
  1481 		if ( $qv['page_id'] ) {
       
  1482 			if  ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
       
  1483 				$this->is_page = false;
       
  1484 				$this->is_home = true;
       
  1485 				$this->is_posts_page = true;
       
  1486 			}
       
  1487 		}
       
  1488 
       
  1489 		if ( !empty($qv['post_type']) )
       
  1490 			$qv['post_type'] = sanitize_user($qv['post_type'], true);
       
  1491 
       
  1492 		if ( !empty($qv['post_status']) )
       
  1493 			$qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']);
       
  1494 
       
  1495 		if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) )
       
  1496 			$this->is_comment_feed = false;
       
  1497 
       
  1498 		$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
       
  1499 		// Done correcting is_* for page_on_front and page_for_posts
       
  1500 
       
  1501 		if ('404' == $qv['error'])
       
  1502 			$this->set_404();
       
  1503 
       
  1504 		if ( !empty($query) )
       
  1505 			do_action_ref_array('parse_query', array(&$this));
       
  1506 	}
       
  1507 
       
  1508 	/**
       
  1509 	 * Sets the 404 property and saves whether query is feed.
       
  1510 	 *
       
  1511 	 * @since 2.0.0
       
  1512 	 * @access public
       
  1513 	 */
       
  1514 	function set_404() {
       
  1515 		$is_feed = $this->is_feed;
       
  1516 
       
  1517 		$this->init_query_flags();
       
  1518 		$this->is_404 = true;
       
  1519 
       
  1520 		$this->is_feed = $is_feed;
       
  1521 	}
       
  1522 
       
  1523 	/**
       
  1524 	 * Retrieve query variable.
       
  1525 	 *
       
  1526 	 * @since 1.5.0
       
  1527 	 * @access public
       
  1528 	 *
       
  1529 	 * @param string $query_var Query variable key.
       
  1530 	 * @return mixed
       
  1531 	 */
       
  1532 	function get($query_var) {
       
  1533 		if (isset($this->query_vars[$query_var])) {
       
  1534 			return $this->query_vars[$query_var];
       
  1535 		}
       
  1536 
       
  1537 		return '';
       
  1538 	}
       
  1539 
       
  1540 	/**
       
  1541 	 * Set query variable.
       
  1542 	 *
       
  1543 	 * @since 1.5.0
       
  1544 	 * @access public
       
  1545 	 *
       
  1546 	 * @param string $query_var Query variable key.
       
  1547 	 * @param mixed $value Query variable value.
       
  1548 	 */
       
  1549 	function set($query_var, $value) {
       
  1550 		$this->query_vars[$query_var] = $value;
       
  1551 	}
       
  1552 
       
  1553 	/**
       
  1554 	 * Retrieve the posts based on query variables.
       
  1555 	 *
       
  1556 	 * There are a few filters and actions that can be used to modify the post
       
  1557 	 * database query.
       
  1558 	 *
       
  1559 	 * @since 1.5.0
       
  1560 	 * @access public
       
  1561 	 * @uses do_action_ref_array() Calls 'pre_get_posts' hook before retrieving posts.
       
  1562 	 *
       
  1563 	 * @return array List of posts.
       
  1564 	 */
       
  1565 	function &get_posts() {
       
  1566 		global $wpdb, $user_ID;
       
  1567 
       
  1568 		do_action_ref_array('pre_get_posts', array(&$this));
       
  1569 
       
  1570 		// Shorthand.
       
  1571 		$q = &$this->query_vars;
       
  1572 
       
  1573 		$q = $this->fill_query_vars($q);
       
  1574 
       
  1575 		// First let's clear some variables
       
  1576 		$distinct = '';
       
  1577 		$whichcat = '';
       
  1578 		$whichauthor = '';
       
  1579 		$whichmimetype = '';
       
  1580 		$where = '';
       
  1581 		$limits = '';
       
  1582 		$join = '';
       
  1583 		$search = '';
       
  1584 		$groupby = '';
       
  1585 		$fields = "$wpdb->posts.*";
       
  1586 		$post_status_join = false;
       
  1587 		$page = 1;
       
  1588 
       
  1589 		if ( !isset($q['caller_get_posts']) )
       
  1590 			$q['caller_get_posts'] = false;
       
  1591 
       
  1592 		if ( !isset($q['suppress_filters']) )
       
  1593 			$q['suppress_filters'] = false;
       
  1594 
       
  1595 		if ( !isset($q['post_type']) ) {
       
  1596 			if ( $this->is_search )
       
  1597 				$q['post_type'] = 'any';
       
  1598 			else
       
  1599 				$q['post_type'] = 'post';
       
  1600 		}
       
  1601 		$post_type = $q['post_type'];
       
  1602 		if ( !isset($q['posts_per_page']) || $q['posts_per_page'] == 0 )
       
  1603 			$q['posts_per_page'] = get_option('posts_per_page');
       
  1604 		if ( isset($q['showposts']) && $q['showposts'] ) {
       
  1605 			$q['showposts'] = (int) $q['showposts'];
       
  1606 			$q['posts_per_page'] = $q['showposts'];
       
  1607 		}
       
  1608 		if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
       
  1609 			$q['posts_per_page'] = $q['posts_per_archive_page'];
       
  1610 		if ( !isset($q['nopaging']) ) {
       
  1611 			if ($q['posts_per_page'] == -1) {
       
  1612 				$q['nopaging'] = true;
       
  1613 			} else {
       
  1614 				$q['nopaging'] = false;
       
  1615 			}
       
  1616 		}
       
  1617 		if ( $this->is_feed ) {
       
  1618 			$q['posts_per_page'] = get_option('posts_per_rss');
       
  1619 			$q['nopaging'] = false;
       
  1620 		}
       
  1621 		$q['posts_per_page'] = (int) $q['posts_per_page'];
       
  1622 		if ( $q['posts_per_page'] < -1 )
       
  1623 			$q['posts_per_page'] = abs($q['posts_per_page']);
       
  1624 		else if ( $q['posts_per_page'] == 0 )
       
  1625 			$q['posts_per_page'] = 1;
       
  1626 
       
  1627 		if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 )
       
  1628 			$q['comments_per_page'] = get_option('comments_per_page');
       
  1629 
       
  1630 		if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
       
  1631 			$this->is_page = true;
       
  1632 			$this->is_home = false;
       
  1633 			$q['page_id'] = get_option('page_on_front');
       
  1634 		}
       
  1635 
       
  1636 		if (isset($q['page'])) {
       
  1637 			$q['page'] = trim($q['page'], '/');
       
  1638 			$q['page'] = absint($q['page']);
       
  1639 		}
       
  1640 
       
  1641 		// If a month is specified in the querystring, load that month
       
  1642 		if ( $q['m'] ) {
       
  1643 			$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
       
  1644 			$where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4);
       
  1645 			if (strlen($q['m'])>5)
       
  1646 				$where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2);
       
  1647 			if (strlen($q['m'])>7)
       
  1648 				$where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2);
       
  1649 			if (strlen($q['m'])>9)
       
  1650 				$where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2);
       
  1651 			if (strlen($q['m'])>11)
       
  1652 				$where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2);
       
  1653 			if (strlen($q['m'])>13)
       
  1654 				$where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2);
       
  1655 		}
       
  1656 
       
  1657 		if ( '' !== $q['hour'] )
       
  1658 			$where .= " AND HOUR($wpdb->posts.post_date)='" . $q['hour'] . "'";
       
  1659 
       
  1660 		if ( '' !== $q['minute'] )
       
  1661 			$where .= " AND MINUTE($wpdb->posts.post_date)='" . $q['minute'] . "'";
       
  1662 
       
  1663 		if ( '' !== $q['second'] )
       
  1664 			$where .= " AND SECOND($wpdb->posts.post_date)='" . $q['second'] . "'";
       
  1665 
       
  1666 		if ( $q['year'] )
       
  1667 			$where .= " AND YEAR($wpdb->posts.post_date)='" . $q['year'] . "'";
       
  1668 
       
  1669 		if ( $q['monthnum'] )
       
  1670 			$where .= " AND MONTH($wpdb->posts.post_date)='" . $q['monthnum'] . "'";
       
  1671 
       
  1672 		if ( $q['day'] )
       
  1673 			$where .= " AND DAYOFMONTH($wpdb->posts.post_date)='" . $q['day'] . "'";
       
  1674 
       
  1675 		if ('' != $q['name']) {
       
  1676 			$q['name'] = sanitize_title($q['name']);
       
  1677 			$where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'";
       
  1678 		} else if ('' != $q['pagename']) {
       
  1679 			if ( isset($this->queried_object_id) )
       
  1680 				$reqpage = $this->queried_object_id;
       
  1681 			else {
       
  1682 				$reqpage = get_page_by_path($q['pagename']);
       
  1683 				if ( !empty($reqpage) )
       
  1684 					$reqpage = $reqpage->ID;
       
  1685 				else
       
  1686 					$reqpage = 0;
       
  1687 			}
       
  1688 
       
  1689 			$page_for_posts = get_option('page_for_posts');
       
  1690 			if  ( ('page' != get_option('show_on_front') ) ||  empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) {
       
  1691 				$q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
       
  1692 				$page_paths = '/' . trim($q['pagename'], '/');
       
  1693 				$q['pagename'] = sanitize_title(basename($page_paths));
       
  1694 				$q['name'] = $q['pagename'];
       
  1695 				$where .= " AND ($wpdb->posts.ID = '$reqpage')";
       
  1696 				$reqpage_obj = get_page($reqpage);
       
  1697 				if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) {
       
  1698 					$this->is_attachment = true;
       
  1699 					$this->is_page = true;
       
  1700 					$q['attachment_id'] = $reqpage;
       
  1701 				}
       
  1702 			}
       
  1703 		} elseif ('' != $q['attachment']) {
       
  1704 			$q['attachment'] = str_replace('%2F', '/', urlencode(urldecode($q['attachment'])));
       
  1705 			$attach_paths = '/' . trim($q['attachment'], '/');
       
  1706 			$q['attachment'] = sanitize_title(basename($attach_paths));
       
  1707 			$q['name'] = $q['attachment'];
       
  1708 			$where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'";
       
  1709 		}
       
  1710 
       
  1711 		if ( $q['w'] )
       
  1712 			$where .= " AND WEEK($wpdb->posts.post_date, 1)='" . $q['w'] . "'";
       
  1713 
       
  1714 		if ( intval($q['comments_popup']) )
       
  1715 			$q['p'] = absint($q['comments_popup']);
       
  1716 
       
  1717 		// If an attachment is requested by number, let it supercede any post number.
       
  1718 		if ( $q['attachment_id'] )
       
  1719 			$q['p'] = absint($q['attachment_id']);
       
  1720 
       
  1721 		// If a post number is specified, load that post
       
  1722 		if ( $q['p'] ) {
       
  1723 			$where .= " AND {$wpdb->posts}.ID = " . $q['p'];
       
  1724 		} elseif ( $q['post__in'] ) {
       
  1725 			$post__in = implode(',', array_map( 'absint', $q['post__in'] ));
       
  1726 			$where .= " AND {$wpdb->posts}.ID IN ($post__in)";
       
  1727 		} elseif ( $q['post__not_in'] ) {
       
  1728 			$post__not_in = implode(',',  array_map( 'absint', $q['post__not_in'] ));
       
  1729 			$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
       
  1730 		}
       
  1731 
       
  1732 		if ( is_numeric($q['post_parent']) )
       
  1733 			$where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] );
       
  1734 
       
  1735 		if ( $q['page_id'] ) {
       
  1736 			if  ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
       
  1737 				$q['p'] = $q['page_id'];
       
  1738 				$where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
       
  1739 			}
       
  1740 		}
       
  1741 
       
  1742 		// If a search pattern is specified, load the posts that match
       
  1743 		if ( !empty($q['s']) ) {
       
  1744 			// added slashes screw with quote grouping when done early, so done later
       
  1745 			$q['s'] = stripslashes($q['s']);
       
  1746 			if ( !empty($q['sentence']) ) {
       
  1747 				$q['search_terms'] = array($q['s']);
       
  1748 			} else {
       
  1749 				preg_match_all('/".*?("|$)|((?<=[\\s",+])|^)[^\\s",+]+/', $q['s'], $matches);
       
  1750 				$q['search_terms'] = array_map(create_function('$a', 'return trim($a, "\\"\'\\n\\r ");'), $matches[0]);
       
  1751 			}
       
  1752 			$n = !empty($q['exact']) ? '' : '%';
       
  1753 			$searchand = '';
       
  1754 			foreach( (array) $q['search_terms'] as $term) {
       
  1755 				$term = addslashes_gpc($term);
       
  1756 				$search .= "{$searchand}(($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}'))";
       
  1757 				$searchand = ' AND ';
       
  1758 			}
       
  1759 			$term = $wpdb->escape($q['s']);
       
  1760 			if (empty($q['sentence']) && count($q['search_terms']) > 1 && $q['search_terms'][0] != $q['s'] )
       
  1761 				$search .= " OR ($wpdb->posts.post_title LIKE '{$n}{$term}{$n}') OR ($wpdb->posts.post_content LIKE '{$n}{$term}{$n}')";
       
  1762 
       
  1763 			if ( !empty($search) ) {
       
  1764 				$search = " AND ({$search}) ";
       
  1765 				if ( !is_user_logged_in() )
       
  1766 					$search .= " AND ($wpdb->posts.post_password = '') ";
       
  1767 			}
       
  1768 		}
       
  1769 
       
  1770 		// Category stuff
       
  1771 
       
  1772 		if ( empty($q['cat']) || ($q['cat'] == '0') ||
       
  1773 				// Bypass cat checks if fetching specific posts
       
  1774 				$this->is_singular ) {
       
  1775 			$whichcat = '';
       
  1776 		} else {
       
  1777 			$q['cat'] = ''.urldecode($q['cat']).'';
       
  1778 			$q['cat'] = addslashes_gpc($q['cat']);
       
  1779 			$cat_array = preg_split('/[,\s]+/', $q['cat']);
       
  1780 			$q['cat'] = '';
       
  1781 			$req_cats = array();
       
  1782 			foreach ( (array) $cat_array as $cat ) {
       
  1783 				$cat = intval($cat);
       
  1784 				$req_cats[] = $cat;
       
  1785 				$in = ($cat > 0);
       
  1786 				$cat = abs($cat);
       
  1787 				if ( $in ) {
       
  1788 					$q['category__in'][] = $cat;
       
  1789 					$q['category__in'] = array_merge($q['category__in'], get_term_children($cat, 'category'));
       
  1790 				} else {
       
  1791 					$q['category__not_in'][] = $cat;
       
  1792 					$q['category__not_in'] = array_merge($q['category__not_in'], get_term_children($cat, 'category'));
       
  1793 				}
       
  1794 			}
       
  1795 			$q['cat'] = implode(',', $req_cats);
       
  1796 		}
       
  1797 
       
  1798 		if ( !empty($q['category__in']) ) {
       
  1799 			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
       
  1800 			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
       
  1801 			$include_cats = "'" . implode("', '", $q['category__in']) . "'";
       
  1802 			$whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_cats) ";
       
  1803 		}
       
  1804 
       
  1805 		if ( !empty($q['category__not_in']) ) {
       
  1806 			if ( $wpdb->has_cap( 'subqueries' ) ) {
       
  1807 				$cat_string = "'" . implode("', '", $q['category__not_in']) . "'";
       
  1808 				$whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'category' AND tt.term_id IN ($cat_string) )";
       
  1809 			} else {
       
  1810 				$ids = get_objects_in_term($q['category__not_in'], 'category');
       
  1811 				if ( !is_wp_error($ids) && is_array($ids) && count($ids) > 0 )
       
  1812 					$whichcat .= " AND $wpdb->posts.ID NOT IN ('" . implode("', '", $ids) . "')";
       
  1813 			}
       
  1814 		}
       
  1815 
       
  1816 		// Category stuff for nice URLs
       
  1817 		if ( '' != $q['category_name'] && !$this->is_singular ) {
       
  1818 			$q['category_name'] = implode('/', array_map('sanitize_title', explode('/', $q['category_name'])));
       
  1819 			$reqcat = get_category_by_path($q['category_name']);
       
  1820 			$q['category_name'] = str_replace('%2F', '/', urlencode(urldecode($q['category_name'])));
       
  1821 			$cat_paths = '/' . trim($q['category_name'], '/');
       
  1822 			$q['category_name'] = sanitize_title(basename($cat_paths));
       
  1823 
       
  1824 			$cat_paths = '/' . trim(urldecode($q['category_name']), '/');
       
  1825 			$q['category_name'] = sanitize_title(basename($cat_paths));
       
  1826 			$cat_paths = explode('/', $cat_paths);
       
  1827 			$cat_path = '';
       
  1828 			foreach ( (array) $cat_paths as $pathdir )
       
  1829 				$cat_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title($pathdir);
       
  1830 
       
  1831 			//if we don't match the entire hierarchy fallback on just matching the nicename
       
  1832 			if ( empty($reqcat) )
       
  1833 				$reqcat = get_category_by_path($q['category_name'], false);
       
  1834 
       
  1835 			if ( !empty($reqcat) )
       
  1836 				$reqcat = $reqcat->term_id;
       
  1837 			else
       
  1838 				$reqcat = 0;
       
  1839 
       
  1840 			$q['cat'] = $reqcat;
       
  1841 
       
  1842 			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
       
  1843 			$whichcat = " AND $wpdb->term_taxonomy.taxonomy = 'category' ";
       
  1844 			$in_cats = array($q['cat']);
       
  1845 			$in_cats = array_merge($in_cats, get_term_children($q['cat'], 'category'));
       
  1846 			$in_cats = "'" . implode("', '", $in_cats) . "'";
       
  1847 			$whichcat .= "AND $wpdb->term_taxonomy.term_id IN ($in_cats)";
       
  1848 			$groupby = "{$wpdb->posts}.ID";
       
  1849 		}
       
  1850 
       
  1851 		// Tags
       
  1852 		if ( '' != $q['tag'] ) {
       
  1853 			if ( strpos($q['tag'], ',') !== false ) {
       
  1854 				$tags = preg_split('/[,\s]+/', $q['tag']);
       
  1855 				foreach ( (array) $tags as $tag ) {
       
  1856 					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
       
  1857 					$q['tag_slug__in'][] = $tag;
       
  1858 				}
       
  1859 			} else if ( preg_match('/[+\s]+/', $q['tag']) || !empty($q['cat']) ) {
       
  1860 				$tags = preg_split('/[+\s]+/', $q['tag']);
       
  1861 				foreach ( (array) $tags as $tag ) {
       
  1862 					$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
       
  1863 					$q['tag_slug__and'][] = $tag;
       
  1864 				}
       
  1865 			} else {
       
  1866 				$q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
       
  1867 				$q['tag_slug__in'][] = $q['tag'];
       
  1868 			}
       
  1869 		}
       
  1870 
       
  1871 		if ( !empty($q['category__in']) || !empty($q['meta_key']) || !empty($q['tag__in']) || !empty($q['tag_slug__in']) ) {
       
  1872 			$groupby = "{$wpdb->posts}.ID";
       
  1873 		}
       
  1874 
       
  1875 		if ( !empty($q['tag__in']) && empty($q['cat']) ) {
       
  1876 			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) ";
       
  1877 			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' ";
       
  1878 			$include_tags = "'" . implode("', '", $q['tag__in']) . "'";
       
  1879 			$whichcat .= " AND $wpdb->term_taxonomy.term_id IN ($include_tags) ";
       
  1880 			$reqtag = is_term( $q['tag__in'][0], 'post_tag' );
       
  1881 			if ( !empty($reqtag) )
       
  1882 				$q['tag_id'] = $reqtag['term_id'];
       
  1883 		}
       
  1884 
       
  1885 		if ( !empty($q['tag_slug__in']) && empty($q['cat']) ) {
       
  1886 			$join = " INNER JOIN $wpdb->term_relationships ON ($wpdb->posts.ID = $wpdb->term_relationships.object_id) INNER JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) INNER JOIN $wpdb->terms ON ($wpdb->term_taxonomy.term_id = $wpdb->terms.term_id) ";
       
  1887 			$whichcat .= " AND $wpdb->term_taxonomy.taxonomy = 'post_tag' ";
       
  1888 			$include_tags = "'" . implode("', '", $q['tag_slug__in']) . "'";
       
  1889 			$whichcat .= " AND $wpdb->terms.slug IN ($include_tags) ";
       
  1890 			$reqtag = get_term_by( 'slug', $q['tag_slug__in'][0], 'post_tag' );
       
  1891 			if ( !empty($reqtag) )
       
  1892 				$q['tag_id'] = $reqtag->term_id;
       
  1893 		}
       
  1894 
       
  1895 		if ( !empty($q['tag__not_in']) ) {
       
  1896 			if ( $wpdb->has_cap( 'subqueries' ) ) {
       
  1897 				$tag_string = "'" . implode("', '", $q['tag__not_in']) . "'";
       
  1898 				$whichcat .= " AND $wpdb->posts.ID NOT IN ( SELECT tr.object_id FROM $wpdb->term_relationships AS tr INNER JOIN $wpdb->term_taxonomy AS tt ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy = 'post_tag' AND tt.term_id IN ($tag_string) )";
       
  1899 			} else {
       
  1900 				$ids = get_objects_in_term($q['tag__not_in'], 'post_tag');
       
  1901 				if ( !is_wp_error($ids) && is_array($ids) && count($ids) > 0 )
       
  1902 					$whichcat .= " AND $wpdb->posts.ID NOT IN ('" . implode("', '", $ids) . "')";
       
  1903 			}
       
  1904 		}
       
  1905 
       
  1906 		// Tag and slug intersections.
       
  1907 		$intersections = array('category__and' => 'category', 'tag__and' => 'post_tag', 'tag_slug__and' => 'post_tag', 'tag__in' => 'post_tag', 'tag_slug__in' => 'post_tag');
       
  1908 		$tagin = array('tag__in', 'tag_slug__in'); // These are used to make some exceptions below
       
  1909 		foreach ($intersections as $item => $taxonomy) {
       
  1910 			if ( empty($q[$item]) ) continue;
       
  1911 			if ( in_array($item, $tagin) && empty($q['cat']) ) continue; // We should already have what we need if categories aren't being used
       
  1912 
       
  1913 			if ( $item != 'category__and' ) {
       
  1914 				$reqtag = is_term( $q[$item][0], 'post_tag' );
       
  1915 				if ( !empty($reqtag) )
       
  1916 					$q['tag_id'] = $reqtag['term_id'];
       
  1917 			}
       
  1918 
       
  1919 			if ( in_array( $item, array('tag_slug__and', 'tag_slug__in' ) ) )
       
  1920 				$taxonomy_field = 'slug';
       
  1921 			else
       
  1922 				$taxonomy_field = 'term_id';
       
  1923 
       
  1924 			$q[$item] = array_unique($q[$item]);
       
  1925 			$tsql = "SELECT p.ID FROM $wpdb->posts p INNER JOIN $wpdb->term_relationships tr ON (p.ID = tr.object_id) INNER JOIN $wpdb->term_taxonomy tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id) INNER JOIN $wpdb->terms t ON (tt.term_id = t.term_id)";
       
  1926 			$tsql .= " WHERE tt.taxonomy = '$taxonomy' AND t.$taxonomy_field IN ('" . implode("', '", $q[$item]) . "')";
       
  1927 			if ( !in_array($item, $tagin) ) { // This next line is only helpful if we are doing an and relationship
       
  1928 				$tsql .= " GROUP BY p.ID HAVING count(p.ID) = " . count($q[$item]);
       
  1929 			}
       
  1930 			$post_ids = $wpdb->get_col($tsql);
       
  1931 
       
  1932 			if ( count($post_ids) )
       
  1933 				$whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") ";
       
  1934 			else {
       
  1935 				$whichcat = " AND 0 = 1";
       
  1936 				break;
       
  1937 			}
       
  1938 		}
       
  1939 
       
  1940 		// Taxonomies
       
  1941 		if ( $this->is_tax ) {
       
  1942 			if ( '' != $q['taxonomy'] ) {
       
  1943 				$taxonomy = $q['taxonomy'];
       
  1944 				$tt[$taxonomy] = $q['term'];
       
  1945 				$terms = get_terms($q['taxonomy'], array('slug'=>$q['term']));
       
  1946 			} else {
       
  1947 				foreach ( $GLOBALS['wp_taxonomies'] as $taxonomy => $t ) {
       
  1948 					if ( $t->query_var && '' != $q[$t->query_var] ) {
       
  1949 						$terms = get_terms($taxonomy, array('slug'=>$q[$t->query_var]));
       
  1950 						if ( !is_wp_error($terms) )
       
  1951 							break;
       
  1952 					}
       
  1953 				}
       
  1954 			}
       
  1955 			if ( is_wp_error($terms) || empty($terms) ) {
       
  1956 				$whichcat = " AND 0 ";
       
  1957 			} else {
       
  1958 				foreach ( $terms as $term )
       
  1959 					$term_ids[] = $term->term_id;
       
  1960 				$post_ids = get_objects_in_term($term_ids, $taxonomy);
       
  1961 				if ( !is_wp_error($post_ids) && count($post_ids) ) {
       
  1962 					$whichcat .= " AND $wpdb->posts.ID IN (" . implode(', ', $post_ids) . ") ";
       
  1963 					$post_type = 'any';
       
  1964 					$q['post_status'] = 'publish';
       
  1965 					$post_status_join = true;
       
  1966 				} else {
       
  1967 					$whichcat = " AND 0 ";
       
  1968 				}
       
  1969 			}
       
  1970 		}
       
  1971 
       
  1972 		// Author/user stuff
       
  1973 
       
  1974 		if ( empty($q['author']) || ($q['author'] == '0') ) {
       
  1975 			$whichauthor='';
       
  1976 		} else {
       
  1977 			$q['author'] = ''.urldecode($q['author']).'';
       
  1978 			$q['author'] = addslashes_gpc($q['author']);
       
  1979 			if (strpos($q['author'], '-') !== false) {
       
  1980 				$eq = '!=';
       
  1981 				$andor = 'AND';
       
  1982 				$q['author'] = explode('-', $q['author']);
       
  1983 				$q['author'] = '' . absint($q['author'][1]);
       
  1984 			} else {
       
  1985 				$eq = '=';
       
  1986 				$andor = 'OR';
       
  1987 			}
       
  1988 			$author_array = preg_split('/[,\s]+/', $q['author']);
       
  1989 			$whichauthor .= " AND ($wpdb->posts.post_author ".$eq.' '.absint($author_array[0]);
       
  1990 			for ($i = 1; $i < (count($author_array)); $i = $i + 1) {
       
  1991 				$whichauthor .= ' '.$andor." $wpdb->posts.post_author ".$eq.' '.absint($author_array[$i]);
       
  1992 			}
       
  1993 			$whichauthor .= ')';
       
  1994 		}
       
  1995 
       
  1996 		// Author stuff for nice URLs
       
  1997 
       
  1998 		if ('' != $q['author_name']) {
       
  1999 			if (strpos($q['author_name'], '/') !== false) {
       
  2000 				$q['author_name'] = explode('/',$q['author_name']);
       
  2001 				if ($q['author_name'][count($q['author_name'])-1]) {
       
  2002 					$q['author_name'] = $q['author_name'][count($q['author_name'])-1];#no trailing slash
       
  2003 				} else {
       
  2004 					$q['author_name'] = $q['author_name'][count($q['author_name'])-2];#there was a trailling slash
       
  2005 				}
       
  2006 			}
       
  2007 			$q['author_name'] = sanitize_title($q['author_name']);
       
  2008 			$q['author'] = $wpdb->get_var("SELECT ID FROM $wpdb->users WHERE user_nicename='".$q['author_name']."'");
       
  2009 			$q['author'] = get_user_by('slug', $q['author_name']);
       
  2010 			if ( $q['author'] )
       
  2011 				$q['author'] = $q['author']->ID;
       
  2012 			$whichauthor .= " AND ($wpdb->posts.post_author = ".absint($q['author']).')';
       
  2013 		}
       
  2014 
       
  2015 		// MIME-Type stuff for attachment browsing
       
  2016 
       
  2017 		if ( isset($q['post_mime_type']) && '' != $q['post_mime_type'] )
       
  2018 			$whichmimetype = wp_post_mime_type_where($q['post_mime_type']);
       
  2019 
       
  2020 		$where .= $search.$whichcat.$whichauthor.$whichmimetype;
       
  2021 
       
  2022 		if ( empty($q['order']) || ((strtoupper($q['order']) != 'ASC') && (strtoupper($q['order']) != 'DESC')) )
       
  2023 			$q['order'] = 'DESC';
       
  2024 
       
  2025 		// Order by
       
  2026 		if ( empty($q['orderby']) ) {
       
  2027 			$q['orderby'] = "$wpdb->posts.post_date ".$q['order'];
       
  2028 		} elseif ( 'none' == $q['orderby'] ) {
       
  2029 			$q['orderby'] = '';
       
  2030 		} else {
       
  2031 			// Used to filter values
       
  2032 			$allowed_keys = array('author', 'date', 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand');
       
  2033 			if ( !empty($q['meta_key']) ) {
       
  2034 				$allowed_keys[] = $q['meta_key'];
       
  2035 				$allowed_keys[] = 'meta_value';
       
  2036 			}
       
  2037 			$q['orderby'] = urldecode($q['orderby']);
       
  2038 			$q['orderby'] = addslashes_gpc($q['orderby']);
       
  2039 			$orderby_array = explode(' ',$q['orderby']);
       
  2040 			if ( empty($orderby_array) )
       
  2041 				$orderby_array[] = $q['orderby'];
       
  2042 			$q['orderby'] = '';
       
  2043 			for ($i = 0; $i < count($orderby_array); $i++) {
       
  2044 				// Only allow certain values for safety
       
  2045 				$orderby = $orderby_array[$i];
       
  2046 				switch ($orderby) {
       
  2047 					case 'menu_order':
       
  2048 						break;
       
  2049 					case 'ID':
       
  2050 						$orderby = "$wpdb->posts.ID";
       
  2051 						break;
       
  2052 					case 'rand':
       
  2053 						$orderby = 'RAND()';
       
  2054 						break;
       
  2055 					case $q['meta_key']:
       
  2056 					case 'meta_value':
       
  2057 						$orderby = "$wpdb->postmeta.meta_value";
       
  2058 						break;
       
  2059 					default:
       
  2060 						$orderby = "$wpdb->posts.post_" . $orderby;
       
  2061 				}
       
  2062 				if ( in_array($orderby_array[$i], $allowed_keys) )
       
  2063 					$q['orderby'] .= (($i == 0) ? '' : ',') . $orderby;
       
  2064 			}
       
  2065 			// append ASC or DESC at the end
       
  2066 			if ( !empty($q['orderby']))
       
  2067 				$q['orderby'] .= " {$q['order']}";
       
  2068 
       
  2069 			if ( empty($q['orderby']) )
       
  2070 				$q['orderby'] = "$wpdb->posts.post_date ".$q['order'];
       
  2071 		}
       
  2072 
       
  2073 		if ( 'any' == $post_type ) {
       
  2074 			$where .= " AND $wpdb->posts.post_type != 'revision'";
       
  2075 		} elseif ( $this->is_attachment ) {
       
  2076 			$where .= " AND $wpdb->posts.post_type = 'attachment'";
       
  2077 		} elseif ($this->is_page) {
       
  2078 			$where .= " AND $wpdb->posts.post_type = 'page'";
       
  2079 		} elseif ($this->is_single) {
       
  2080 			$where .= " AND $wpdb->posts.post_type = 'post'";
       
  2081 		} else {
       
  2082 			$where .= " AND $wpdb->posts.post_type = '$post_type'";
       
  2083 		}
       
  2084 
       
  2085 		if ( isset($q['post_status']) && '' != $q['post_status'] ) {
       
  2086 			$statuswheres = array();
       
  2087 			$q_status = explode(',', $q['post_status']);
       
  2088 			$r_status = array();
       
  2089 			$p_status = array();
       
  2090 			if ( in_array( 'draft'  , $q_status ) )
       
  2091 				$r_status[] = "$wpdb->posts.post_status = 'draft'";
       
  2092 			if ( in_array( 'pending', $q_status ) )
       
  2093 				$r_status[] = "$wpdb->posts.post_status = 'pending'";
       
  2094 			if ( in_array( 'future' , $q_status ) )
       
  2095 				$r_status[] = "$wpdb->posts.post_status = 'future'";
       
  2096 			if ( in_array( 'inherit' , $q_status ) )
       
  2097 				$r_status[] = "$wpdb->posts.post_status = 'inherit'";
       
  2098 			if ( in_array( 'private', $q_status ) )
       
  2099 				$p_status[] = "$wpdb->posts.post_status = 'private'";
       
  2100 			if ( in_array( 'publish', $q_status ) )
       
  2101 				$r_status[] = "$wpdb->posts.post_status = 'publish'";
       
  2102 
       
  2103 			if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) {
       
  2104 				$r_status = array_merge($r_status, $p_status);
       
  2105 				unset($p_status);
       
  2106 			}
       
  2107 
       
  2108 			if ( !empty($r_status) ) {
       
  2109 				if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can("edit_others_{$post_type}s") )
       
  2110 					$statuswheres[] = "($wpdb->posts.post_author = $user_ID " .  "AND (" . join( ' OR ', $r_status ) . "))";
       
  2111 				else
       
  2112 					$statuswheres[] = "(" . join( ' OR ', $r_status ) . ")";
       
  2113 			}
       
  2114 			if ( !empty($p_status) ) {
       
  2115 				if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can("read_private_{$post_type}s") )
       
  2116 					$statuswheres[] = "($wpdb->posts.post_author = $user_ID " .  "AND (" . join( ' OR ', $p_status ) . "))";
       
  2117 				else
       
  2118 					$statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
       
  2119 			}
       
  2120 			if ( $post_status_join ) {
       
  2121 				$join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) ";
       
  2122 				foreach ( $statuswheres as $index => $statuswhere )
       
  2123 					$statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
       
  2124 			}
       
  2125 			foreach ( $statuswheres as $statuswhere )
       
  2126 				$where .= " AND $statuswhere";
       
  2127 		} elseif ( !$this->is_singular ) {
       
  2128 			$where .= " AND ($wpdb->posts.post_status = 'publish'";
       
  2129 
       
  2130 			if ( is_admin() )
       
  2131 				$where .= " OR $wpdb->posts.post_status = 'future' OR $wpdb->posts.post_status = 'draft' OR $wpdb->posts.post_status = 'pending'";
       
  2132 
       
  2133 			if ( is_user_logged_in() ) {
       
  2134 				$where .= current_user_can( "read_private_{$post_type}s" ) ? " OR $wpdb->posts.post_status = 'private'" : " OR $wpdb->posts.post_author = $user_ID AND $wpdb->posts.post_status = 'private'";
       
  2135 			}
       
  2136 
       
  2137 			$where .= ')';
       
  2138 		}
       
  2139 
       
  2140 		// postmeta queries
       
  2141 		if ( ! empty($q['meta_key']) || ! empty($q['meta_value']) )
       
  2142 			$join .= " JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id) ";
       
  2143 		if ( ! empty($q['meta_key']) )
       
  2144 			$where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s ", $q['meta_key']);
       
  2145 		if ( ! empty($q['meta_value']) ) {
       
  2146 			if ( ! isset($q['meta_compare']) || empty($q['meta_compare']) || ! in_array($q['meta_compare'], array('=', '!=', '>', '>=', '<', '<=')) )
       
  2147 				$q['meta_compare'] = '=';
       
  2148 
       
  2149 			$where .= $wpdb->prepare("AND $wpdb->postmeta.meta_value {$q['meta_compare']} %s ", $q['meta_value']);
       
  2150 		}
       
  2151 
       
  2152 		// Apply filters on where and join prior to paging so that any
       
  2153 		// manipulations to them are reflected in the paging by day queries.
       
  2154 		if ( !$q['suppress_filters'] ) {
       
  2155 			$where = apply_filters('posts_where', $where);
       
  2156 			$join = apply_filters('posts_join', $join);
       
  2157 		}
       
  2158 
       
  2159 		// Paging
       
  2160 		if ( empty($q['nopaging']) && !$this->is_singular ) {
       
  2161 			$page = absint($q['paged']);
       
  2162 			if (empty($page)) {
       
  2163 				$page = 1;
       
  2164 			}
       
  2165 
       
  2166 			if ( empty($q['offset']) ) {
       
  2167 				$pgstrt = '';
       
  2168 				$pgstrt = ($page - 1) * $q['posts_per_page'] . ', ';
       
  2169 				$limits = 'LIMIT '.$pgstrt.$q['posts_per_page'];
       
  2170 			} else { // we're ignoring $page and using 'offset'
       
  2171 				$q['offset'] = absint($q['offset']);
       
  2172 				$pgstrt = $q['offset'] . ', ';
       
  2173 				$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
       
  2174 			}
       
  2175 		}
       
  2176 
       
  2177 		// Comments feeds
       
  2178 		if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) {
       
  2179 			if ( $this->is_archive || $this->is_search ) {
       
  2180 				$cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join ";
       
  2181 				$cwhere = "WHERE comment_approved = '1' $where";
       
  2182 				$cgroupby = "$wpdb->comments.comment_id";
       
  2183 			} else { // Other non singular e.g. front
       
  2184 				$cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
       
  2185 				$cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'";
       
  2186 				$cgroupby = '';
       
  2187 			}
       
  2188 
       
  2189 			if ( !$q['suppress_filters'] ) {
       
  2190 				$cjoin = apply_filters('comment_feed_join', $cjoin);
       
  2191 				$cwhere = apply_filters('comment_feed_where', $cwhere);
       
  2192 				$cgroupby = apply_filters('comment_feed_groupby', $cgroupby);
       
  2193 				$corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC');
       
  2194 				$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'));
       
  2195 			}
       
  2196 			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
       
  2197 			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
       
  2198 
       
  2199 			$this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits");
       
  2200 			$this->comment_count = count($this->comments);
       
  2201 
       
  2202 			$post_ids = array();
       
  2203 
       
  2204 			foreach ($this->comments as $comment)
       
  2205 				$post_ids[] = (int) $comment->comment_post_ID;
       
  2206 
       
  2207 			$post_ids = join(',', $post_ids);
       
  2208 			$join = '';
       
  2209 			if ( $post_ids )
       
  2210 				$where = "AND $wpdb->posts.ID IN ($post_ids) ";
       
  2211 			else
       
  2212 				$where = "AND 0";
       
  2213 		}
       
  2214 
       
  2215 		$orderby = $q['orderby'];
       
  2216 
       
  2217 		// Apply post-paging filters on where and join.  Only plugins that
       
  2218 		// manipulate paging queries should use these hooks.
       
  2219 		if ( !$q['suppress_filters'] ) {
       
  2220 			$where = apply_filters('posts_where_paged', $where);
       
  2221 			$groupby = apply_filters('posts_groupby', $groupby);
       
  2222 			$join = apply_filters('posts_join_paged', $join);
       
  2223 			$orderby = apply_filters('posts_orderby', $orderby);
       
  2224 			$distinct = apply_filters('posts_distinct', $distinct);
       
  2225 			$limits = apply_filters( 'post_limits', $limits );
       
  2226 
       
  2227 			$fields = apply_filters('posts_fields', $fields);
       
  2228 		}
       
  2229 
       
  2230 		// Announce current selection parameters.  For use by caching plugins.
       
  2231 		do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
       
  2232 
       
  2233 		// Filter again for the benefit of caching plugins.  Regular plugins should use the hooks above.
       
  2234 		if ( !$q['suppress_filters'] ) {
       
  2235 			$where = apply_filters('posts_where_request', $where);
       
  2236 			$groupby = apply_filters('posts_groupby_request', $groupby);
       
  2237 			$join = apply_filters('posts_join_request', $join);
       
  2238 			$orderby = apply_filters('posts_orderby_request', $orderby);
       
  2239 			$distinct = apply_filters('posts_distinct_request', $distinct);
       
  2240 			$fields = apply_filters('posts_fields_request', $fields);
       
  2241 			$limits = apply_filters( 'post_limits_request', $limits );
       
  2242 		}
       
  2243 
       
  2244 		if ( ! empty($groupby) )
       
  2245 			$groupby = 'GROUP BY ' . $groupby;
       
  2246 		if ( !empty( $orderby ) )
       
  2247 			$orderby = 'ORDER BY ' . $orderby;
       
  2248 		$found_rows = '';
       
  2249 		if ( !empty($limits) )
       
  2250 			$found_rows = 'SQL_CALC_FOUND_ROWS';
       
  2251 
       
  2252 		$this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
       
  2253 		if ( !$q['suppress_filters'] )
       
  2254 			$this->request = apply_filters('posts_request', $this->request);
       
  2255 
       
  2256 		$this->posts = $wpdb->get_results($this->request);
       
  2257 		// Raw results filter.  Prior to status checks.
       
  2258 		if ( !$q['suppress_filters'] )
       
  2259 			$this->posts = apply_filters('posts_results', $this->posts);
       
  2260 
       
  2261 		if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
       
  2262 			$cjoin = apply_filters('comment_feed_join', '');
       
  2263 			$cwhere = apply_filters('comment_feed_where', "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'");
       
  2264 			$cgroupby = apply_filters('comment_feed_groupby', '');
       
  2265 			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
       
  2266 			$corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC');
       
  2267 			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
       
  2268 			$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'));
       
  2269 			$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
       
  2270 			$this->comments = $wpdb->get_results($comments_request);
       
  2271 			$this->comment_count = count($this->comments);
       
  2272 		}
       
  2273 
       
  2274 		if ( !empty($limits) ) {
       
  2275 			$found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' );
       
  2276 			$this->found_posts = $wpdb->get_var( $found_posts_query );
       
  2277 			$this->found_posts = apply_filters( 'found_posts', $this->found_posts );
       
  2278 			$this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
       
  2279 		}
       
  2280 
       
  2281 		// Check post status to determine if post should be displayed.
       
  2282 		if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
       
  2283 			$status = get_post_status($this->posts[0]);
       
  2284 			//$type = get_post_type($this->posts[0]);
       
  2285 			if ( ('publish' != $status) ) {
       
  2286 				if ( ! is_user_logged_in() ) {
       
  2287 					// User must be logged in to view unpublished posts.
       
  2288 					$this->posts = array();
       
  2289 				} else {
       
  2290 					if  (in_array($status, array('draft', 'pending')) ) {
       
  2291 						// User must have edit permissions on the draft to preview.
       
  2292 						if (! current_user_can('edit_post', $this->posts[0]->ID)) {
       
  2293 							$this->posts = array();
       
  2294 						} else {
       
  2295 							$this->is_preview = true;
       
  2296 							$this->posts[0]->post_date = current_time('mysql');
       
  2297 						}
       
  2298 					}  else if ('future' == $status) {
       
  2299 						$this->is_preview = true;
       
  2300 						if (!current_user_can('edit_post', $this->posts[0]->ID)) {
       
  2301 							$this->posts = array ( );
       
  2302 						}
       
  2303 					} else {
       
  2304 						if (! current_user_can('read_post', $this->posts[0]->ID))
       
  2305 							$this->posts = array();
       
  2306 					}
       
  2307 				}
       
  2308 			}
       
  2309 
       
  2310 			if ( $this->is_preview && current_user_can( "edit_{$post_type}", $this->posts[0]->ID ) )
       
  2311 				$this->posts[0] = apply_filters('the_preview', $this->posts[0]);
       
  2312 		}
       
  2313 
       
  2314 		// Put sticky posts at the top of the posts array
       
  2315 		$sticky_posts = get_option('sticky_posts');
       
  2316 		if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['caller_get_posts'] ) {
       
  2317 			$num_posts = count($this->posts);
       
  2318 			$sticky_offset = 0;
       
  2319 			// Loop over posts and relocate stickies to the front.
       
  2320 			for ( $i = 0; $i < $num_posts; $i++ ) {
       
  2321 				if ( in_array($this->posts[$i]->ID, $sticky_posts) ) {
       
  2322 					$sticky_post = $this->posts[$i];
       
  2323 					// Remove sticky from current position
       
  2324 					array_splice($this->posts, $i, 1);
       
  2325 					// Move to front, after other stickies
       
  2326 					array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
       
  2327 					// Increment the sticky offset.  The next sticky will be placed at this offset.
       
  2328 					$sticky_offset++;
       
  2329 					// Remove post from sticky posts array
       
  2330 					$offset = array_search($sticky_post->ID, $sticky_posts);
       
  2331 					array_splice($sticky_posts, $offset, 1);
       
  2332 				}
       
  2333 			}
       
  2334 
       
  2335 			// Fetch sticky posts that weren't in the query results
       
  2336 			if ( !empty($sticky_posts) ) {
       
  2337 				$stickies__in = implode(',', array_map( 'absint', $sticky_posts ));
       
  2338 				$stickies = $wpdb->get_results( "SELECT * FROM $wpdb->posts WHERE $wpdb->posts.ID IN ($stickies__in)" );
       
  2339 				/** @todo Make sure post is published or viewable by the current user */
       
  2340 				foreach ( $stickies as $sticky_post ) {
       
  2341 					if ( 'publish' != $sticky_post->post_status )
       
  2342 						continue;
       
  2343 						array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
       
  2344 						$sticky_offset++;
       
  2345 				}
       
  2346 			}
       
  2347 		}
       
  2348 
       
  2349 		if ( !$q['suppress_filters'] )
       
  2350 			$this->posts = apply_filters('the_posts', $this->posts);
       
  2351 
       
  2352 		update_post_caches($this->posts);
       
  2353 
       
  2354 		$this->post_count = count($this->posts);
       
  2355 		if ($this->post_count > 0) {
       
  2356 			$this->post = $this->posts[0];
       
  2357 		}
       
  2358 
       
  2359 		return $this->posts;
       
  2360 	}
       
  2361 
       
  2362 	/**
       
  2363 	 * Setup the next post and iterate current post index.
       
  2364 	 *
       
  2365 	 * @since 1.5.0
       
  2366 	 * @access public
       
  2367 	 *
       
  2368 	 * @return object Next post.
       
  2369 	 */
       
  2370 	function next_post() {
       
  2371 
       
  2372 		$this->current_post++;
       
  2373 
       
  2374 		$this->post = $this->posts[$this->current_post];
       
  2375 		return $this->post;
       
  2376 	}
       
  2377 
       
  2378 	/**
       
  2379 	 * Sets up the current post.
       
  2380 	 *
       
  2381 	 * Retrieves the next post, sets up the post, sets the 'in the loop'
       
  2382 	 * property to true.
       
  2383 	 *
       
  2384 	 * @since 1.5.0
       
  2385 	 * @access public
       
  2386 	 * @uses $post
       
  2387 	 * @uses do_action_ref_array() Calls 'loop_start' if loop has just started
       
  2388 	 */
       
  2389 	function the_post() {
       
  2390 		global $post;
       
  2391 		$this->in_the_loop = true;
       
  2392 
       
  2393 		if ( $this->current_post == -1 ) // loop has just started
       
  2394 			do_action_ref_array('loop_start', array(&$this));
       
  2395 
       
  2396 		$post = $this->next_post();
       
  2397 		setup_postdata($post);
       
  2398 	}
       
  2399 
       
  2400 	/**
       
  2401 	 * Whether there are more posts available in the loop.
       
  2402 	 *
       
  2403 	 * Calls action 'loop_end', when the loop is complete.
       
  2404 	 *
       
  2405 	 * @since 1.5.0
       
  2406 	 * @access public
       
  2407 	 * @uses do_action_ref_array() Calls 'loop_end' if loop is ended
       
  2408 	 *
       
  2409 	 * @return bool True if posts are available, false if end of loop.
       
  2410 	 */
       
  2411 	function have_posts() {
       
  2412 		if ($this->current_post + 1 < $this->post_count) {
       
  2413 			return true;
       
  2414 		} elseif ($this->current_post + 1 == $this->post_count && $this->post_count > 0) {
       
  2415 			do_action_ref_array('loop_end', array(&$this));
       
  2416 			// Do some cleaning up after the loop
       
  2417 			$this->rewind_posts();
       
  2418 		}
       
  2419 
       
  2420 		$this->in_the_loop = false;
       
  2421 		return false;
       
  2422 	}
       
  2423 
       
  2424 	/**
       
  2425 	 * Rewind the posts and reset post index.
       
  2426 	 *
       
  2427 	 * @since 1.5.0
       
  2428 	 * @access public
       
  2429 	 */
       
  2430 	function rewind_posts() {
       
  2431 		$this->current_post = -1;
       
  2432 		if ($this->post_count > 0) {
       
  2433 			$this->post = $this->posts[0];
       
  2434 		}
       
  2435 	}
       
  2436 
       
  2437 	/**
       
  2438 	 * Iterate current comment index and return comment object.
       
  2439 	 *
       
  2440 	 * @since 2.2.0
       
  2441 	 * @access public
       
  2442 	 *
       
  2443 	 * @return object Comment object.
       
  2444 	 */
       
  2445 	function next_comment() {
       
  2446 		$this->current_comment++;
       
  2447 
       
  2448 		$this->comment = $this->comments[$this->current_comment];
       
  2449 		return $this->comment;
       
  2450 	}
       
  2451 
       
  2452 	/**
       
  2453 	 * Sets up the current comment.
       
  2454 	 *
       
  2455 	 * @since 2.2.0
       
  2456 	 * @access public
       
  2457 	 * @global object $comment Current comment.
       
  2458 	 * @uses do_action() Calls 'comment_loop_start' hook when first comment is processed.
       
  2459 	 */
       
  2460 	function the_comment() {
       
  2461 		global $comment;
       
  2462 
       
  2463 		$comment = $this->next_comment();
       
  2464 
       
  2465 		if ($this->current_comment == 0) {
       
  2466 			do_action('comment_loop_start');
       
  2467 		}
       
  2468 	}
       
  2469 
       
  2470 	/**
       
  2471 	 * Whether there are more comments available.
       
  2472 	 *
       
  2473 	 * Automatically rewinds comments when finished.
       
  2474 	 *
       
  2475 	 * @since 2.2.0
       
  2476 	 * @access public
       
  2477 	 *
       
  2478 	 * @return bool True, if more comments. False, if no more posts.
       
  2479 	 */
       
  2480 	function have_comments() {
       
  2481 		if ($this->current_comment + 1 < $this->comment_count) {
       
  2482 			return true;
       
  2483 		} elseif ($this->current_comment + 1 == $this->comment_count) {
       
  2484 			$this->rewind_comments();
       
  2485 		}
       
  2486 
       
  2487 		return false;
       
  2488 	}
       
  2489 
       
  2490 	/**
       
  2491 	 * Rewind the comments, resets the comment index and comment to first.
       
  2492 	 *
       
  2493 	 * @since 2.2.0
       
  2494 	 * @access public
       
  2495 	 */
       
  2496 	function rewind_comments() {
       
  2497 		$this->current_comment = -1;
       
  2498 		if ($this->comment_count > 0) {
       
  2499 			$this->comment = $this->comments[0];
       
  2500 		}
       
  2501 	}
       
  2502 
       
  2503 	/**
       
  2504 	 * Sets up the WordPress query by parsing query string.
       
  2505 	 *
       
  2506 	 * @since 1.5.0
       
  2507 	 * @access public
       
  2508 	 *
       
  2509 	 * @param string $query URL query string.
       
  2510 	 * @return array List of posts.
       
  2511 	 */
       
  2512 	function &query($query) {
       
  2513 		$this->parse_query($query);
       
  2514 		return $this->get_posts();
       
  2515 	}
       
  2516 
       
  2517 	/**
       
  2518 	 * Retrieve queried object.
       
  2519 	 *
       
  2520 	 * If queried object is not set, then the queried object will be set from
       
  2521 	 * the category, tag, taxonomy, posts page, single post, page, or author
       
  2522 	 * query variable. After it is set up, it will be returned.
       
  2523 	 *
       
  2524 	 * @since 1.5.0
       
  2525 	 * @access public
       
  2526 	 *
       
  2527 	 * @return object
       
  2528 	 */
       
  2529 	function get_queried_object() {
       
  2530 		if (isset($this->queried_object)) {
       
  2531 			return $this->queried_object;
       
  2532 		}
       
  2533 
       
  2534 		$this->queried_object = NULL;
       
  2535 		$this->queried_object_id = 0;
       
  2536 
       
  2537 		if ($this->is_category) {
       
  2538 			$cat = $this->get('cat');
       
  2539 			$category = &get_category($cat);
       
  2540 			if ( is_wp_error( $category ) )
       
  2541 				return NULL;
       
  2542 			$this->queried_object = &$category;
       
  2543 			$this->queried_object_id = (int) $cat;
       
  2544 		} else if ($this->is_tag) {
       
  2545 			$tag_id = $this->get('tag_id');
       
  2546 			$tag = &get_term($tag_id, 'post_tag');
       
  2547 			if ( is_wp_error( $tag ) )
       
  2548 				return NULL;
       
  2549 			$this->queried_object = &$tag;
       
  2550 			$this->queried_object_id = (int) $tag_id;
       
  2551 		} else if ($this->is_tax) {
       
  2552 			$tax = $this->get('taxonomy');
       
  2553 			$slug = $this->get('term');
       
  2554 			$term = &get_terms($tax, array('slug'=>$slug));
       
  2555 			if ( is_wp_error($term) || empty($term) )
       
  2556 				return NULL;
       
  2557 			$term = $term[0];
       
  2558 			$this->queried_object = $term;
       
  2559 			$this->queried_object_id = $term->term_id;
       
  2560 		} else if ($this->is_posts_page) {
       
  2561 			$this->queried_object = & get_page(get_option('page_for_posts'));
       
  2562 			$this->queried_object_id = (int) $this->queried_object->ID;
       
  2563 		} else if ($this->is_single) {
       
  2564 			$this->queried_object = $this->post;
       
  2565 			$this->queried_object_id = (int) $this->post->ID;
       
  2566 		} else if ($this->is_page) {
       
  2567 			$this->queried_object = $this->post;
       
  2568 			$this->queried_object_id = (int) $this->post->ID;
       
  2569 		} else if ($this->is_author) {
       
  2570 			$author_id = (int) $this->get('author');
       
  2571 			$author = get_userdata($author_id);
       
  2572 			$this->queried_object = $author;
       
  2573 			$this->queried_object_id = $author_id;
       
  2574 		}
       
  2575 
       
  2576 		return $this->queried_object;
       
  2577 	}
       
  2578 
       
  2579 	/**
       
  2580 	 * Retrieve ID of the current queried object.
       
  2581 	 *
       
  2582 	 * @since 1.5.0
       
  2583 	 * @access public
       
  2584 	 *
       
  2585 	 * @return int
       
  2586 	 */
       
  2587 	function get_queried_object_id() {
       
  2588 		$this->get_queried_object();
       
  2589 
       
  2590 		if (isset($this->queried_object_id)) {
       
  2591 			return $this->queried_object_id;
       
  2592 		}
       
  2593 
       
  2594 		return 0;
       
  2595 	}
       
  2596 
       
  2597 	/**
       
  2598 	 * PHP4 type constructor.
       
  2599 	 *
       
  2600 	 * Sets up the WordPress query, if parameter is not empty.
       
  2601 	 *
       
  2602 	 * @since 1.5.0
       
  2603 	 * @access public
       
  2604 	 *
       
  2605 	 * @param string $query URL query string.
       
  2606 	 * @return WP_Query
       
  2607 	 */
       
  2608 	function WP_Query ($query = '') {
       
  2609 		if (! empty($query)) {
       
  2610 			$this->query($query);
       
  2611 		}
       
  2612 	}
       
  2613 }
       
  2614 
       
  2615 /**
       
  2616  * Redirect old slugs to the correct permalink.
       
  2617  *
       
  2618  * Attempts to find the current slug from the past slugs.
       
  2619  *
       
  2620  * @since 2.1.0
       
  2621  * @uses $wp_query
       
  2622  * @uses $wpdb
       
  2623  *
       
  2624  * @return null If no link is found, null is returned.
       
  2625  */
       
  2626 function wp_old_slug_redirect () {
       
  2627 	global $wp_query;
       
  2628 	if ( is_404() && '' != $wp_query->query_vars['name'] ) :
       
  2629 		global $wpdb;
       
  2630 
       
  2631 		$query = "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND meta_key = '_wp_old_slug' AND meta_value='" . $wp_query->query_vars['name'] . "'";
       
  2632 
       
  2633 		// if year, monthnum, or day have been specified, make our query more precise
       
  2634 		// just in case there are multiple identical _wp_old_slug values
       
  2635 		if ( '' != $wp_query->query_vars['year'] )
       
  2636 			$query .= " AND YEAR(post_date) = '{$wp_query->query_vars['year']}'";
       
  2637 		if ( '' != $wp_query->query_vars['monthnum'] )
       
  2638 			$query .= " AND MONTH(post_date) = '{$wp_query->query_vars['monthnum']}'";
       
  2639 		if ( '' != $wp_query->query_vars['day'] )
       
  2640 			$query .= " AND DAYOFMONTH(post_date) = '{$wp_query->query_vars['day']}'";
       
  2641 
       
  2642 		$id = (int) $wpdb->get_var($query);
       
  2643 
       
  2644 		if ( !$id )
       
  2645 			return;
       
  2646 
       
  2647 		$link = get_permalink($id);
       
  2648 
       
  2649 		if ( !$link )
       
  2650 			return;
       
  2651 
       
  2652 		wp_redirect($link, '301'); // Permanent redirect
       
  2653 		exit;
       
  2654 	endif;
       
  2655 }
       
  2656 
       
  2657 /**
       
  2658  * Setup global post data.
       
  2659  *
       
  2660  * @since 1.5.0
       
  2661  *
       
  2662  * @param object $post Post data.
       
  2663  * @uses do_action_ref_array() Calls 'the_post'
       
  2664  * @return bool True when finished.
       
  2665  */
       
  2666 function setup_postdata($post) {
       
  2667 	global $id, $authordata, $day, $currentmonth, $page, $pages, $multipage, $more, $numpages;
       
  2668 
       
  2669 	$id = (int) $post->ID;
       
  2670 
       
  2671 	$authordata = get_userdata($post->post_author);
       
  2672 
       
  2673 	$day = mysql2date('d.m.y', $post->post_date, false);
       
  2674 	$currentmonth = mysql2date('m', $post->post_date, false);
       
  2675 	$numpages = 1;
       
  2676 	$page = get_query_var('page');
       
  2677 	if ( !$page )
       
  2678 		$page = 1;
       
  2679 	if ( is_single() || is_page() || is_feed() )
       
  2680 		$more = 1;
       
  2681 	$content = $post->post_content;
       
  2682 	if ( strpos( $content, '<!--nextpage-->' ) ) {
       
  2683 		if ( $page > 1 )
       
  2684 			$more = 1;
       
  2685 		$multipage = 1;
       
  2686 		$content = str_replace("\n<!--nextpage-->\n", '<!--nextpage-->', $content);
       
  2687 		$content = str_replace("\n<!--nextpage-->", '<!--nextpage-->', $content);
       
  2688 		$content = str_replace("<!--nextpage-->\n", '<!--nextpage-->', $content);
       
  2689 		$pages = explode('<!--nextpage-->', $content);
       
  2690 		$numpages = count($pages);
       
  2691 	} else {
       
  2692 		$pages[0] = $post->post_content;
       
  2693 		$multipage = 0;
       
  2694 	}
       
  2695 
       
  2696 	do_action_ref_array('the_post', array(&$post));
       
  2697 	
       
  2698 	return true;
       
  2699 }
       
  2700 
       
  2701 ?>