wp/wp-includes/author-template.php
changeset 5 5e2f62d02dcd
parent 0 d970ebf37754
child 7 cf61fcea0001
equal deleted inserted replaced
4:346c88efed21 5:5e2f62d02dcd
     2 /**
     2 /**
     3  * Author Template functions for use in themes.
     3  * Author Template functions for use in themes.
     4  *
     4  *
     5  * These functions must be used within the WordPress Loop.
     5  * These functions must be used within the WordPress Loop.
     6  *
     6  *
     7  * @link http://codex.wordpress.org/Author_Templates
     7  * @link https://codex.wordpress.org/Author_Templates
     8  *
     8  *
     9  * @package WordPress
     9  * @package WordPress
    10  * @subpackage Template
    10  * @subpackage Template
    11  */
    11  */
    12 
    12 
    13 /**
    13 /**
    14  * Retrieve the author of the current post.
    14  * Retrieve the author of the current post.
    15  *
    15  *
    16  * @since 1.5
    16  * @since 1.5.0
       
    17  *
    17  * @uses $authordata The current author's DB object.
    18  * @uses $authordata The current author's DB object.
    18  * @uses apply_filters() Calls 'the_author' hook on the author display name.
       
    19  *
    19  *
    20  * @param string $deprecated Deprecated.
    20  * @param string $deprecated Deprecated.
    21  * @return string The author's display name.
    21  * @return string The author's display name.
    22  */
    22  */
    23 function get_the_author($deprecated = '') {
    23 function get_the_author($deprecated = '') {
    47  * The normal, expected behavior of this function is to echo the author and not
    47  * The normal, expected behavior of this function is to echo the author and not
    48  * return it. However, backwards compatibility has to be maintained.
    48  * return it. However, backwards compatibility has to be maintained.
    49  *
    49  *
    50  * @since 0.71
    50  * @since 0.71
    51  * @see get_the_author()
    51  * @see get_the_author()
    52  * @link http://codex.wordpress.org/Template_Tags/the_author
    52  * @link https://codex.wordpress.org/Template_Tags/the_author
    53  *
    53  *
    54  * @param string $deprecated Deprecated.
    54  * @param string $deprecated Deprecated.
    55  * @param string $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it.
    55  * @param string $deprecated_echo Deprecated. Use get_the_author(). Echo the string or return it.
    56  * @return string The author's display name, from get_the_author().
    56  * @return string The author's display name, from get_the_author().
    57  */
    57  */
    66 }
    66 }
    67 
    67 
    68 /**
    68 /**
    69  * Retrieve the author who last edited the current post.
    69  * Retrieve the author who last edited the current post.
    70  *
    70  *
    71  * @since 2.8
    71  * @since 2.8.0
    72  * @uses $post The current post's DB object.
    72  *
    73  * @uses get_post_meta() Retrieves the ID of the author who last edited the current post.
       
    74  * @uses get_userdata() Retrieves the author's DB object.
       
    75  * @uses apply_filters() Calls 'the_modified_author' hook on the author display name.
       
    76  * @return string The author's display name.
    73  * @return string The author's display name.
    77  */
    74  */
    78 function get_the_modified_author() {
    75 function get_the_modified_author() {
    79 	if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
    76 	if ( $last_id = get_post_meta( get_post()->ID, '_edit_last', true) ) {
    80 		$last_user = get_userdata($last_id);
    77 		$last_user = get_userdata($last_id);
    91 }
    88 }
    92 
    89 
    93 /**
    90 /**
    94  * Display the name of the author who last edited the current post.
    91  * Display the name of the author who last edited the current post.
    95  *
    92  *
    96  * @since 2.8
    93  * @since 2.8.0
       
    94  *
    97  * @see get_the_author()
    95  * @see get_the_author()
    98  * @return string The author's display name, from get_the_modified_author().
    96  * @return string The author's display name, from get_the_modified_author().
    99  */
    97  */
   100 function the_modified_author() {
    98 function the_modified_author() {
   101 	echo get_the_modified_author();
    99 	echo get_the_modified_author();
   102 }
   100 }
   103 
   101 
   104 /**
   102 /**
   105  * Retrieve the requested data of the author of the current post.
   103  * Retrieve the requested data of the author of the current post.
   106  * @link http://codex.wordpress.org/Template_Tags/the_author_meta
   104  * @link https://codex.wordpress.org/Template_Tags/the_author_meta
   107  * @since 2.8.0
   105  * @since 2.8.0
   108  * @uses $authordata The current author's DB object (if $user_id not specified).
       
   109  * @param string $field selects the field of the users record.
   106  * @param string $field selects the field of the users record.
   110  * @param int $user_id Optional. User ID.
   107  * @param int $user_id Optional. User ID.
   111  * @return string The author's field from the current author's DB object.
   108  * @return string The author's field from the current author's DB object.
   112  */
   109  */
   113 function get_the_author_meta( $field = '', $user_id = false ) {
   110 function get_the_author_meta( $field = '', $user_id = false ) {
   136 	return apply_filters( 'get_the_author_' . $field, $value, $user_id );
   133 	return apply_filters( 'get_the_author_' . $field, $value, $user_id );
   137 }
   134 }
   138 
   135 
   139 /**
   136 /**
   140  * Retrieve the requested data of the author of the current post.
   137  * Retrieve the requested data of the author of the current post.
   141  * @link http://codex.wordpress.org/Template_Tags/the_author_meta
   138  * @link https://codex.wordpress.org/Template_Tags/the_author_meta
   142  * @since 2.8.0
   139  * @since 2.8.0
   143  * @param string $field selects the field of the users record.
   140  * @param string $field selects the field of the users record.
   144  * @param int $user_id Optional. User ID.
   141  * @param int $user_id Optional. User ID.
   145  * @echo string The author's field from the current author's DB object.
   142  * @echo string The author's field from the current author's DB object.
   146  */
   143  */
   163 /**
   160 /**
   164  * Retrieve either author's link or author's name.
   161  * Retrieve either author's link or author's name.
   165  *
   162  *
   166  * If the author has a home page set, return an HTML link, otherwise just return the
   163  * If the author has a home page set, return an HTML link, otherwise just return the
   167  * author's name.
   164  * author's name.
   168  *
       
   169  * @uses get_the_author_meta()
       
   170  * @uses get_the_author()
       
   171  */
   165  */
   172 function get_the_author_link() {
   166 function get_the_author_link() {
   173 	if ( get_the_author_meta('url') ) {
   167 	if ( get_the_author_meta('url') ) {
   174 		return '<a href="' . esc_url( get_the_author_meta('url') ) . '" title="' . esc_attr( sprintf(__("Visit %s&#8217;s website"), get_the_author()) ) . '" rel="author external">' . get_the_author() . '</a>';
   168 		return '<a href="' . esc_url( get_the_author_meta('url') ) . '" title="' . esc_attr( sprintf(__("Visit %s&#8217;s website"), get_the_author()) ) . '" rel="author external">' . get_the_author() . '</a>';
   175 	} else {
   169 	} else {
   181  * Display either author's link or author's name.
   175  * Display either author's link or author's name.
   182  *
   176  *
   183  * If the author has a home page set, echo an HTML link, otherwise just echo the
   177  * If the author has a home page set, echo an HTML link, otherwise just echo the
   184  * author's name.
   178  * author's name.
   185  *
   179  *
   186  * @link http://codex.wordpress.org/Template_Tags/the_author_link
   180  * @link https://codex.wordpress.org/Template_Tags/the_author_link
   187  * @since 2.1
   181  *
   188  * @uses get_the_author_link()
   182  * @since 2.1.0
   189  */
   183  */
   190 function the_author_link() {
   184 function the_author_link() {
   191 	echo get_the_author_link();
   185 	echo get_the_author_link();
   192 }
   186 }
   193 
   187 
   194 /**
   188 /**
   195  * Retrieve the number of posts by the author of the current post.
   189  * Retrieve the number of posts by the author of the current post.
   196  *
   190  *
   197  * @since 1.5
   191  * @since 1.5.0
   198  * @uses $post The current post in the Loop's DB object.
   192  *
   199  * @uses count_user_posts()
       
   200  * @return int The number of posts by the author.
   193  * @return int The number of posts by the author.
   201  */
   194  */
   202 function get_the_author_posts() {
   195 function get_the_author_posts() {
   203 	return count_user_posts( get_post()->post_author );
   196 	$post = get_post();
       
   197 	if ( ! $post ) {
       
   198 		return 0;
       
   199 	}
       
   200 	return count_user_posts( $post->post_author, $post->post_type );
   204 }
   201 }
   205 
   202 
   206 /**
   203 /**
   207  * Display the number of posts by the author of the current post.
   204  * Display the number of posts by the author of the current post.
   208  *
   205  *
   209  * @link http://codex.wordpress.org/Template_Tags/the_author_posts
   206  * @link https://codex.wordpress.org/Template_Tags/the_author_posts
   210  * @since 0.71
   207  * @since 0.71
   211  * @uses get_the_author_posts() Echoes returned value from function.
       
   212  */
   208  */
   213 function the_author_posts() {
   209 function the_author_posts() {
   214 	echo get_the_author_posts();
   210 	echo get_the_author_posts();
   215 }
   211 }
   216 
   212 
   219  *
   215  *
   220  * Does just echo get_author_posts_url() function, like the others do. The
   216  * Does just echo get_author_posts_url() function, like the others do. The
   221  * reason for this, is that another function is used to help in printing the
   217  * reason for this, is that another function is used to help in printing the
   222  * link to the author's posts.
   218  * link to the author's posts.
   223  *
   219  *
   224  * @link http://codex.wordpress.org/Template_Tags/the_author_posts_link
   220  * @link https://codex.wordpress.org/Template_Tags/the_author_posts_link
   225  * @since 1.2.0
   221  * @since 1.2.0
   226  * @uses $authordata The current author's DB object.
       
   227  * @uses get_author_posts_url()
       
   228  * @uses get_the_author()
       
   229  * @param string $deprecated Deprecated.
   222  * @param string $deprecated Deprecated.
   230  */
   223  */
   231 function the_author_posts_link($deprecated = '') {
   224 function the_author_posts_link($deprecated = '') {
   232 	if ( !empty( $deprecated ) )
   225 	if ( !empty( $deprecated ) )
   233 		_deprecated_argument( __FUNCTION__, '2.1' );
   226 		_deprecated_argument( __FUNCTION__, '2.1' );
   292 }
   285 }
   293 
   286 
   294 /**
   287 /**
   295  * List all the authors of the blog, with several options available.
   288  * List all the authors of the blog, with several options available.
   296  *
   289  *
   297  * <ul>
   290  * @link https://codex.wordpress.org/Template_Tags/wp_list_authors
   298  * <li>optioncount (boolean) (false): Show the count in parenthesis next to the
   291  *
   299  * author's name.</li>
       
   300  * <li>exclude_admin (boolean) (true): Exclude the 'admin' user that is
       
   301  * installed by default.</li>
       
   302  * <li>show_fullname (boolean) (false): Show their full names.</li>
       
   303  * <li>hide_empty (boolean) (true): Don't show authors without any posts.</li>
       
   304  * <li>feed (string) (''): If isn't empty, show links to author's feeds.</li>
       
   305  * <li>feed_image (string) (''): If isn't empty, use this image to link to
       
   306  * feeds.</li>
       
   307  * <li>echo (boolean) (true): Set to false to return the output, instead of
       
   308  * echoing.</li>
       
   309  * <li>style (string) ('list'): Whether to display list of authors in list form
       
   310  * or as a string.</li>
       
   311  * <li>html (bool) (true): Whether to list the items in html form or plaintext.
       
   312  * </li>
       
   313  * </ul>
       
   314  *
       
   315  * @link http://codex.wordpress.org/Template_Tags/wp_list_authors
       
   316  * @since 1.2.0
   292  * @since 1.2.0
   317  * @param array $args The argument array.
   293  *
   318  * @return null|string The output, if echo is set to false.
   294  * @param string|array $args {
   319  */
   295  *     Optional. Array or string of default arguments.
   320 function wp_list_authors($args = '') {
   296  *
       
   297  *     @type string $orderby       How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered',
       
   298  *                                 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name',
       
   299  *                                 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'.
       
   300  *     @type string $order         Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'.
       
   301  *     @type int    $number        Maximum authors to return or display. Default empty (all authors).
       
   302  *     @type bool   $optioncount   Show the count in parenthesis next to the author's name. Default false.
       
   303  *     @type bool   $exclude_admin Whether to exclude the 'admin' account, if it exists. Default false.
       
   304  *     @type bool   $show_fullname Whether to show the author's full name. Default false.
       
   305  *     @type bool   $hide_empty    Whether to hide any authors with no posts. Default true.
       
   306  *     @type string $feed          If not empty, show a link to the author's feed and use this text as the alt
       
   307  *                                 parameter of the link. Default empty.
       
   308  *     @type string $feed_image    If not empty, show a link to the author's feed and use this image URL as
       
   309  *                                 clickable anchor. Default empty.
       
   310  *     @type string $feed_type     The feed type to link to, such as 'rss2'. Defaults to default feed type.
       
   311  *     @type bool   $echo          Whether to output the result or instead return it. Default true.
       
   312  *     @type string $style         If 'list', each author is wrapped in an `<li>` element, otherwise the authors
       
   313  *                                 will be separated by commas.
       
   314  *     @type bool   $html          Whether to list the items in HTML form or plaintext. Default true.
       
   315  *     @type string $exclude       An array, comma-, or space-separated list of author IDs to exclude. Default empty.
       
   316  *     @type string $exclude       An array, comma-, or space-separated list of author IDs to include. Default empty.
       
   317  * }
       
   318  * @return null|string The output, if echo is set to false. Otherwise null.
       
   319  */
       
   320 function wp_list_authors( $args = '' ) {
   321 	global $wpdb;
   321 	global $wpdb;
   322 
   322 
   323 	$defaults = array(
   323 	$defaults = array(
   324 		'orderby' => 'name', 'order' => 'ASC', 'number' => '',
   324 		'orderby' => 'name', 'order' => 'ASC', 'number' => '',
   325 		'optioncount' => false, 'exclude_admin' => true,
   325 		'optioncount' => false, 'exclude_admin' => true,
   326 		'show_fullname' => false, 'hide_empty' => true,
   326 		'show_fullname' => false, 'hide_empty' => true,
   327 		'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
   327 		'feed' => '', 'feed_image' => '', 'feed_type' => '', 'echo' => true,
   328 		'style' => 'list', 'html' => true
   328 		'style' => 'list', 'html' => true, 'exclude' => '', 'include' => ''
   329 	);
   329 	);
   330 
   330 
   331 	$args = wp_parse_args( $args, $defaults );
   331 	$args = wp_parse_args( $args, $defaults );
   332 	extract( $args, EXTR_SKIP );
       
   333 
   332 
   334 	$return = '';
   333 	$return = '';
   335 
   334 
   336 	$query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number' ) );
   335 	$query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) );
   337 	$query_args['fields'] = 'ids';
   336 	$query_args['fields'] = 'ids';
   338 	$authors = get_users( $query_args );
   337 	$authors = get_users( $query_args );
   339 
   338 
   340 	$author_count = array();
   339 	$author_count = array();
   341 	foreach ( (array) $wpdb->get_results("SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE post_type = 'post' AND " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author") as $row )
   340 	foreach ( (array) $wpdb->get_results( "SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE " . get_private_posts_cap_sql( 'post' ) . " GROUP BY post_author" ) as $row ) {
   342 		$author_count[$row->post_author] = $row->count;
   341 		$author_count[$row->post_author] = $row->count;
   343 
   342 	}
   344 	foreach ( $authors as $author_id ) {
   343 	foreach ( $authors as $author_id ) {
   345 		$author = get_userdata( $author_id );
   344 		$author = get_userdata( $author_id );
   346 
   345 
   347 		if ( $exclude_admin && 'admin' == $author->display_name )
   346 		if ( $args['exclude_admin'] && 'admin' == $author->display_name ) {
   348 			continue;
   347 			continue;
       
   348 		}
   349 
   349 
   350 		$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
   350 		$posts = isset( $author_count[$author->ID] ) ? $author_count[$author->ID] : 0;
   351 
   351 
   352 		if ( !$posts && $hide_empty )
   352 		if ( ! $posts && $args['hide_empty'] ) {
   353 			continue;
   353 			continue;
   354 
   354 		}
   355 		$link = '';
   355 
   356 
   356 		if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
   357 		if ( $show_fullname && $author->first_name && $author->last_name )
       
   358 			$name = "$author->first_name $author->last_name";
   357 			$name = "$author->first_name $author->last_name";
   359 		else
   358 		} else {
   360 			$name = $author->display_name;
   359 			$name = $author->display_name;
   361 
   360 		}
   362 		if ( !$html ) {
   361 
       
   362 		if ( ! $args['html'] ) {
   363 			$return .= $name . ', ';
   363 			$return .= $name . ', ';
   364 
   364 
   365 			continue; // No need to go further to process HTML.
   365 			continue; // No need to go further to process HTML.
   366 		}
   366 		}
   367 
   367 
   368 		if ( 'list' == $style ) {
   368 		if ( 'list' == $args['style'] ) {
   369 			$return .= '<li>';
   369 			$return .= '<li>';
   370 		}
   370 		}
   371 
   371 
   372 		$link = '<a href="' . get_author_posts_url( $author->ID, $author->user_nicename ) . '" title="' . esc_attr( sprintf(__("Posts by %s"), $author->display_name) ) . '">' . $name . '</a>';
   372 		$link = '<a href="' . get_author_posts_url( $author->ID, $author->user_nicename ) . '" title="' . esc_attr( sprintf(__("Posts by %s"), $author->display_name) ) . '">' . $name . '</a>';
   373 
   373 
   374 		if ( !empty( $feed_image ) || !empty( $feed ) ) {
   374 		if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
   375 			$link .= ' ';
   375 			$link .= ' ';
   376 			if ( empty( $feed_image ) ) {
   376 			if ( empty( $args['feed_image'] ) ) {
   377 				$link .= '(';
   377 				$link .= '(';
   378 			}
   378 			}
   379 
   379 
   380 			$link .= '<a href="' . get_author_feed_link( $author->ID ) . '"';
   380 			$link .= '<a href="' . get_author_feed_link( $author->ID, $args['feed_type'] ) . '"';
   381 
   381 
   382 			$alt = $title = '';
   382 			$alt = '';
   383 			if ( !empty( $feed ) ) {
   383 			if ( ! empty( $args['feed'] ) ) {
   384 				$title = ' title="' . esc_attr( $feed ) . '"';
   384 				$alt = ' alt="' . esc_attr( $args['feed'] ) . '"';
   385 				$alt = ' alt="' . esc_attr( $feed ) . '"';
   385 				$name = $args['feed'];
   386 				$name = $feed;
       
   387 				$link .= $title;
       
   388 			}
   386 			}
   389 
   387 
   390 			$link .= '>';
   388 			$link .= '>';
   391 
   389 
   392 			if ( !empty( $feed_image ) )
   390 			if ( ! empty( $args['feed_image'] ) ) {
   393 				$link .= '<img src="' . esc_url( $feed_image ) . '" style="border: none;"' . $alt . $title . ' />';
   391 				$link .= '<img src="' . esc_url( $args['feed_image'] ) . '" style="border: none;"' . $alt . ' />';
   394 			else
   392 			} else {
   395 				$link .= $name;
   393 				$link .= $name;
       
   394 			}
   396 
   395 
   397 			$link .= '</a>';
   396 			$link .= '</a>';
   398 
   397 
   399 			if ( empty( $feed_image ) )
   398 			if ( empty( $args['feed_image'] ) ) {
   400 				$link .= ')';
   399 				$link .= ')';
   401 		}
   400 			}
   402 
   401 		}
   403 		if ( $optioncount )
   402 
       
   403 		if ( $args['optioncount'] ) {
   404 			$link .= ' ('. $posts . ')';
   404 			$link .= ' ('. $posts . ')';
       
   405 		}
   405 
   406 
   406 		$return .= $link;
   407 		$return .= $link;
   407 		$return .= ( 'list' == $style ) ? '</li>' : ', ';
   408 		$return .= ( 'list' == $args['style'] ) ? '</li>' : ', ';
   408 	}
   409 	}
   409 
   410 
   410 	$return = rtrim($return, ', ');
   411 	$return = rtrim( $return, ', ' );
   411 
   412 
   412 	if ( !$echo )
   413 	if ( ! $args['echo'] ) {
   413 		return $return;
   414 		return $return;
   414 
   415 	}
   415 	echo $return;
   416 	echo $return;
   416 }
   417 }
   417 
   418 
   418 /**
   419 /**
   419  * Does this site have more than one author
   420  * Does this site have more than one author
   448  * @private
   449  * @private
   449  */
   450  */
   450 function __clear_multi_author_cache() {
   451 function __clear_multi_author_cache() {
   451 	delete_transient( 'is_multi_author' );
   452 	delete_transient( 'is_multi_author' );
   452 }
   453 }
   453 add_action('transition_post_status', '__clear_multi_author_cache');