|
1 <?php |
|
2 |
|
3 /** |
|
4 * Site/blog functions that work with the blogs table and related data. |
|
5 * |
|
6 * @package WordPress |
|
7 * @subpackage Multisite |
|
8 * @since MU |
|
9 */ |
|
10 |
|
11 /** |
|
12 * Update the last_updated field for the current blog. |
|
13 * |
|
14 * @since MU |
|
15 */ |
|
16 function wpmu_update_blogs_date() { |
|
17 global $wpdb; |
|
18 |
|
19 update_blog_details( $wpdb->blogid, array('last_updated' => current_time('mysql', true)) ); |
|
20 |
|
21 do_action( 'wpmu_blog_updated', $wpdb->blogid ); |
|
22 } |
|
23 |
|
24 /** |
|
25 * Get a full blog URL, given a blog id. |
|
26 * |
|
27 * @since MU |
|
28 * |
|
29 * @param int $blog_id Blog ID |
|
30 * @return string |
|
31 */ |
|
32 function get_blogaddress_by_id( $blog_id ) { |
|
33 $bloginfo = get_blog_details( (int) $blog_id, false ); // only get bare details! |
|
34 return esc_url( 'http://' . $bloginfo->domain . $bloginfo->path ); |
|
35 } |
|
36 |
|
37 /** |
|
38 * Get a full blog URL, given a blog name. |
|
39 * |
|
40 * @since MU |
|
41 * |
|
42 * @param string $blogname The (subdomain or directory) name |
|
43 * @return string |
|
44 */ |
|
45 function get_blogaddress_by_name( $blogname ) { |
|
46 global $current_site; |
|
47 |
|
48 if ( is_subdomain_install() ) { |
|
49 if ( $blogname == 'main' ) |
|
50 $blogname = 'www'; |
|
51 $url = rtrim( network_home_url(), '/' ); |
|
52 if ( !empty( $blogname ) ) |
|
53 $url = preg_replace( '|^([^\.]+://)|', '$1' . $blogname . '.', $url ); |
|
54 } else { |
|
55 $url = network_home_url( $blogname ); |
|
56 } |
|
57 return esc_url( $url . '/' ); |
|
58 } |
|
59 |
|
60 /** |
|
61 * Get a full blog URL, given a domain and a path. |
|
62 * |
|
63 * @since MU |
|
64 * |
|
65 * @param string $domain |
|
66 * @param string $path |
|
67 * @return string |
|
68 */ |
|
69 function get_blogaddress_by_domain( $domain, $path ) { |
|
70 if ( is_subdomain_install() ) { |
|
71 $url = "http://" . $domain.$path; |
|
72 } else { |
|
73 if ( $domain != $_SERVER['HTTP_HOST'] ) { |
|
74 $blogname = substr( $domain, 0, strpos( $domain, '.' ) ); |
|
75 $url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path; |
|
76 // we're not installing the main blog |
|
77 if ( $blogname != 'www.' ) |
|
78 $url .= $blogname . '/'; |
|
79 } else { // main blog |
|
80 $url = 'http://' . $domain . $path; |
|
81 } |
|
82 } |
|
83 return esc_url( $url ); |
|
84 } |
|
85 |
|
86 /** |
|
87 * Given a blog's (subdomain or directory) name, retrieve it's id. |
|
88 * |
|
89 * @since MU |
|
90 * |
|
91 * @param string $name |
|
92 * @return int A blog id |
|
93 */ |
|
94 function get_id_from_blogname( $name ) { |
|
95 global $wpdb, $current_site; |
|
96 $blog_id = wp_cache_get( 'get_id_from_blogname_' . $name, 'blog-details' ); |
|
97 if ( $blog_id ) |
|
98 return $blog_id; |
|
99 |
|
100 if ( is_subdomain_install() ) { |
|
101 $domain = $name . '.' . $current_site->domain; |
|
102 $path = $current_site->path; |
|
103 } else { |
|
104 $domain = $current_site->domain; |
|
105 $path = $current_site->path . $name . '/'; |
|
106 } |
|
107 $blog_id = $wpdb->get_var( $wpdb->prepare("SELECT blog_id FROM {$wpdb->blogs} WHERE domain = %s AND path = %s", $domain, $path) ); |
|
108 wp_cache_set( 'get_id_from_blogname_' . $name, $blog_id, 'blog-details' ); |
|
109 return $blog_id; |
|
110 } |
|
111 |
|
112 /** |
|
113 * Retrieve the details for a blog from the blogs table and blog options. |
|
114 * |
|
115 * @since MU |
|
116 * |
|
117 * @param int|string|array $fields A blog ID, a blog name, or an array of fields to query against. |
|
118 * @param bool $get_all Whether to retrieve all details or only the details in the blogs table. Default is true. |
|
119 * @return object Blog details. |
|
120 */ |
|
121 function get_blog_details( $fields, $get_all = true ) { |
|
122 global $wpdb; |
|
123 |
|
124 if ( is_array($fields ) ) { |
|
125 if ( isset($fields['blog_id']) ) { |
|
126 $blog_id = $fields['blog_id']; |
|
127 } elseif ( isset($fields['domain']) && isset($fields['path']) ) { |
|
128 $key = md5( $fields['domain'] . $fields['path'] ); |
|
129 $blog = wp_cache_get($key, 'blog-lookup'); |
|
130 if ( false !== $blog ) |
|
131 return $blog; |
|
132 if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { |
|
133 $nowww = substr( $fields['domain'], 4 ); |
|
134 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) AND path = %s ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'], $fields['path'] ) ); |
|
135 } else { |
|
136 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) ); |
|
137 } |
|
138 if ( $blog ) { |
|
139 wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details'); |
|
140 $blog_id = $blog->blog_id; |
|
141 } else { |
|
142 return false; |
|
143 } |
|
144 } elseif ( isset($fields['domain']) && is_subdomain_install() ) { |
|
145 $key = md5( $fields['domain'] ); |
|
146 $blog = wp_cache_get($key, 'blog-lookup'); |
|
147 if ( false !== $blog ) |
|
148 return $blog; |
|
149 if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { |
|
150 $nowww = substr( $fields['domain'], 4 ); |
|
151 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) ); |
|
152 } else { |
|
153 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) ); |
|
154 } |
|
155 if ( $blog ) { |
|
156 wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details'); |
|
157 $blog_id = $blog->blog_id; |
|
158 } else { |
|
159 return false; |
|
160 } |
|
161 } else { |
|
162 return false; |
|
163 } |
|
164 } else { |
|
165 if ( !is_numeric( $fields ) ) |
|
166 $blog_id = get_id_from_blogname( $fields ); |
|
167 else |
|
168 $blog_id = $fields; |
|
169 } |
|
170 |
|
171 $blog_id = (int) $blog_id; |
|
172 |
|
173 $all = $get_all == true ? '' : 'short'; |
|
174 $details = wp_cache_get( $blog_id . $all, 'blog-details' ); |
|
175 |
|
176 if ( $details ) { |
|
177 if ( ! is_object( $details ) ) { |
|
178 if ( $details == -1 ) { |
|
179 return false; |
|
180 } else { |
|
181 // Clear old pre-serialized objects. Cache clients do better with that. |
|
182 wp_cache_delete( $blog_id . $all, 'blog-details' ); |
|
183 unset($details); |
|
184 } |
|
185 } else { |
|
186 return $details; |
|
187 } |
|
188 } |
|
189 |
|
190 // Try the other cache. |
|
191 if ( $get_all ) { |
|
192 $details = wp_cache_get( $blog_id . 'short', 'blog-details' ); |
|
193 } else { |
|
194 $details = wp_cache_get( $blog_id, 'blog-details' ); |
|
195 // If short was requested and full cache is set, we can return. |
|
196 if ( $details ) { |
|
197 if ( ! is_object( $details ) ) { |
|
198 if ( $details == -1 ) { |
|
199 return false; |
|
200 } else { |
|
201 // Clear old pre-serialized objects. Cache clients do better with that. |
|
202 wp_cache_delete( $blog_id, 'blog-details' ); |
|
203 unset($details); |
|
204 } |
|
205 } else { |
|
206 return $details; |
|
207 } |
|
208 } |
|
209 } |
|
210 |
|
211 if ( empty($details) ) { |
|
212 $details = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE blog_id = %d /* get_blog_details */", $blog_id ) ); |
|
213 if ( ! $details ) { |
|
214 // Set the full cache. |
|
215 wp_cache_set( $blog_id, -1, 'blog-details' ); |
|
216 return false; |
|
217 } |
|
218 } |
|
219 |
|
220 if ( ! $get_all ) { |
|
221 wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
|
222 return $details; |
|
223 } |
|
224 |
|
225 $details->blogname = get_blog_option( $blog_id, 'blogname' ); |
|
226 $details->siteurl = get_blog_option( $blog_id, 'siteurl' ); |
|
227 $details->post_count = get_blog_option( $blog_id, 'post_count' ); |
|
228 |
|
229 $details = apply_filters( 'blog_details', $details ); |
|
230 |
|
231 wp_cache_set( $blog_id . $all, $details, 'blog-details' ); |
|
232 |
|
233 $key = md5( $details->domain . $details->path ); |
|
234 wp_cache_set( $key, $details, 'blog-lookup' ); |
|
235 |
|
236 return $details; |
|
237 } |
|
238 |
|
239 /** |
|
240 * Clear the blog details cache. |
|
241 * |
|
242 * @since MU |
|
243 * |
|
244 * @param int $blog_id Blog ID |
|
245 */ |
|
246 function refresh_blog_details( $blog_id ) { |
|
247 $blog_id = (int) $blog_id; |
|
248 $details = get_blog_details( $blog_id, false ); |
|
249 |
|
250 wp_cache_delete( $blog_id , 'blog-details' ); |
|
251 wp_cache_delete( $blog_id . 'short' , 'blog-details' ); |
|
252 wp_cache_delete( md5( $details->domain . $details->path ) , 'blog-lookup' ); |
|
253 wp_cache_delete( 'current_blog_' . $details->domain, 'site-options' ); |
|
254 wp_cache_delete( 'current_blog_' . $details->domain . $details->path, 'site-options' ); |
|
255 |
|
256 do_action( 'refresh_blog_details', $blog_id ); |
|
257 } |
|
258 |
|
259 /** |
|
260 * Update the details for a blog. Updates the blogs table for a given blog id. |
|
261 * |
|
262 * @since MU |
|
263 * |
|
264 * @param int $blog_id Blog ID |
|
265 * @param array $details Array of details keyed by blogs table field names. |
|
266 * @return bool True if update succeeds, false otherwise. |
|
267 */ |
|
268 function update_blog_details( $blog_id, $details = array() ) { |
|
269 global $wpdb; |
|
270 |
|
271 if ( empty($details) ) |
|
272 return false; |
|
273 |
|
274 if ( is_object($details) ) |
|
275 $details = get_object_vars($details); |
|
276 |
|
277 $current_details = get_blog_details($blog_id, false); |
|
278 if ( empty($current_details) ) |
|
279 return false; |
|
280 |
|
281 $current_details = get_object_vars($current_details); |
|
282 |
|
283 $details = array_merge($current_details, $details); |
|
284 $details['last_updated'] = current_time('mysql', true); |
|
285 |
|
286 $update_details = array(); |
|
287 $fields = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id'); |
|
288 foreach ( array_intersect( array_keys( $details ), $fields ) as $field ) |
|
289 $update_details[$field] = $details[$field]; |
|
290 |
|
291 $wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) ); |
|
292 |
|
293 // If spam status changed, issue actions. |
|
294 if ( $details[ 'spam' ] != $current_details[ 'spam' ] ) { |
|
295 if ( $details[ 'spam' ] == 1 ) |
|
296 do_action( "make_spam_blog", $blog_id ); |
|
297 else |
|
298 do_action( "make_ham_blog", $blog_id ); |
|
299 } |
|
300 |
|
301 if ( isset($details[ 'public' ]) ) |
|
302 update_blog_option( $blog_id, 'blog_public', $details[ 'public' ] ); |
|
303 |
|
304 refresh_blog_details($blog_id); |
|
305 |
|
306 return true; |
|
307 } |
|
308 |
|
309 /** |
|
310 * Retrieve option value based on setting name and blog_id. |
|
311 * |
|
312 * If the option does not exist or does not have a value, then the return value |
|
313 * will be false. This is useful to check whether you need to install an option |
|
314 * and is commonly used during installation of plugin options and to test |
|
315 * whether upgrading is required. |
|
316 * |
|
317 * There is a filter called 'blog_option_$option' with the $option being |
|
318 * replaced with the option name. The filter takes two parameters. $value and |
|
319 * $blog_id. It returns $value. |
|
320 * The 'option_$option' filter in get_option() is not called. |
|
321 * |
|
322 * @since MU |
|
323 * @uses apply_filters() Calls 'blog_option_$optionname' with the option name value. |
|
324 * |
|
325 * @param int $blog_id Optional. Blog ID, can be null to refer to the current blog. |
|
326 * @param string $setting Name of option to retrieve. Should already be SQL-escaped. |
|
327 * @param string $default (optional) Default value returned if option not found. |
|
328 * @return mixed Value set for the option. |
|
329 */ |
|
330 function get_blog_option( $blog_id, $setting, $default = false ) { |
|
331 global $wpdb; |
|
332 |
|
333 if ( null === $blog_id ) |
|
334 $blog_id = $wpdb->blogid; |
|
335 |
|
336 $key = $blog_id . '-' . $setting . '-blog_option'; |
|
337 $value = wp_cache_get( $key, 'site-options' ); |
|
338 if ( $value == null ) { |
|
339 if ( $blog_id == $wpdb->blogid ) { |
|
340 $value = get_option( $setting, $default ); |
|
341 $notoptions = wp_cache_get( 'notoptions', 'options' ); |
|
342 if ( isset( $notoptions[$setting] ) ) { |
|
343 wp_cache_set( $key, 'noop', 'site-options' ); |
|
344 $value = $default; |
|
345 } elseif ( $value == false ) { |
|
346 wp_cache_set( $key, 'falsevalue', 'site-options' ); |
|
347 } else { |
|
348 wp_cache_set( $key, $value, 'site-options' ); |
|
349 } |
|
350 return apply_filters( 'blog_option_' . $setting, $value, $blog_id ); |
|
351 } else { |
|
352 $blog_prefix = $wpdb->get_blog_prefix( $blog_id ); |
|
353 $row = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$blog_prefix}options WHERE option_name = %s", $setting ) ); |
|
354 if ( is_object( $row ) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values |
|
355 $value = $row->option_value; |
|
356 if ( $value == false ) |
|
357 wp_cache_set( $key, 'falsevalue', 'site-options' ); |
|
358 else |
|
359 wp_cache_set( $key, $value, 'site-options' ); |
|
360 } else { // option does not exist, so we must cache its non-existence |
|
361 wp_cache_set( $key, 'noop', 'site-options' ); |
|
362 $value = $default; |
|
363 } |
|
364 } |
|
365 } elseif ( $value == 'noop' ) { |
|
366 $value = $default; |
|
367 } elseif ( $value == 'falsevalue' ) { |
|
368 $value = false; |
|
369 } |
|
370 // If home is not set use siteurl. |
|
371 if ( 'home' == $setting && '' == $value ) |
|
372 return get_blog_option( $blog_id, 'siteurl' ); |
|
373 |
|
374 if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting ) |
|
375 $value = untrailingslashit( $value ); |
|
376 |
|
377 return apply_filters( 'blog_option_' . $setting, maybe_unserialize( $value ), $blog_id ); |
|
378 } |
|
379 |
|
380 /** |
|
381 * Add an option for a particular blog. |
|
382 * |
|
383 * @since MU |
|
384 * |
|
385 * @param int $id The blog id |
|
386 * @param string $key The option key |
|
387 * @param mixed $value The option value |
|
388 * @return bool True on success, false on failure. |
|
389 */ |
|
390 function add_blog_option( $id, $key, $value ) { |
|
391 $id = (int) $id; |
|
392 |
|
393 switch_to_blog($id); |
|
394 $return = add_option( $key, $value ); |
|
395 restore_current_blog(); |
|
396 if ( $return ) |
|
397 wp_cache_set( $id . '-' . $key . '-blog_option', $value, 'site-options' ); |
|
398 return $return; |
|
399 } |
|
400 |
|
401 /** |
|
402 * Delete an option for a particular blog. |
|
403 * |
|
404 * @since MU |
|
405 * |
|
406 * @param int $id The blog id |
|
407 * @param string $key The option key |
|
408 * @return bool True on success, false on failure. |
|
409 */ |
|
410 function delete_blog_option( $id, $key ) { |
|
411 $id = (int) $id; |
|
412 |
|
413 switch_to_blog($id); |
|
414 $return = delete_option( $key ); |
|
415 restore_current_blog(); |
|
416 if ( $return ) |
|
417 wp_cache_set( $id . '-' . $key . '-blog_option', '', 'site-options' ); |
|
418 return $return; |
|
419 } |
|
420 |
|
421 /** |
|
422 * Update an option for a particular blog. |
|
423 * |
|
424 * @since MU |
|
425 * |
|
426 * @param int $id The blog id |
|
427 * @param string $key The option key |
|
428 * @param mixed $value The option value |
|
429 * @return bool True on success, false on failrue. |
|
430 */ |
|
431 function update_blog_option( $id, $key, $value, $deprecated = null ) { |
|
432 $id = (int) $id; |
|
433 |
|
434 if ( null !== $deprecated ) |
|
435 _deprecated_argument( __FUNCTION__, '3.1' ); |
|
436 |
|
437 switch_to_blog($id); |
|
438 $return = update_option( $key, $value ); |
|
439 restore_current_blog(); |
|
440 |
|
441 refresh_blog_details( $id ); |
|
442 |
|
443 if ( $return ) |
|
444 wp_cache_set( $id . '-' . $key . '-blog_option', $value, 'site-options'); |
|
445 return $return; |
|
446 } |
|
447 |
|
448 /** |
|
449 * Switch the current blog. |
|
450 * |
|
451 * This function is useful if you need to pull posts, or other information, |
|
452 * from other blogs. You can switch back afterwards using restore_current_blog(). |
|
453 * |
|
454 * Things that aren't switched: |
|
455 * - autoloaded options. See #14992 |
|
456 * - plugins. See #14941 |
|
457 * |
|
458 * @see restore_current_blog() |
|
459 * @since MU |
|
460 * |
|
461 * @param int $new_blog The id of the blog you want to switch to. Default: current blog |
|
462 * @param bool $validate Whether to check if $new_blog exists before proceeding |
|
463 * @return bool True on success, False if the validation failed |
|
464 */ |
|
465 function switch_to_blog( $new_blog, $validate = false ) { |
|
466 global $wpdb, $table_prefix, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache; |
|
467 |
|
468 if ( empty($new_blog) ) |
|
469 $new_blog = $blog_id; |
|
470 |
|
471 if ( $validate && ! get_blog_details( $new_blog ) ) |
|
472 return false; |
|
473 |
|
474 if ( empty($switched_stack) ) |
|
475 $switched_stack = array(); |
|
476 |
|
477 $switched_stack[] = $blog_id; |
|
478 |
|
479 /* If we're switching to the same blog id that we're on, |
|
480 * set the right vars, do the associated actions, but skip |
|
481 * the extra unnecessary work */ |
|
482 if ( $blog_id == $new_blog ) { |
|
483 do_action( 'switch_blog', $blog_id, $blog_id ); |
|
484 $switched = true; |
|
485 return true; |
|
486 } |
|
487 |
|
488 $wpdb->set_blog_id($new_blog); |
|
489 $table_prefix = $wpdb->prefix; |
|
490 $prev_blog_id = $blog_id; |
|
491 $blog_id = $new_blog; |
|
492 |
|
493 if ( is_object( $wp_roles ) ) { |
|
494 $wpdb->suppress_errors(); |
|
495 if ( method_exists( $wp_roles ,'_init' ) ) |
|
496 $wp_roles->_init(); |
|
497 elseif ( method_exists( $wp_roles, '__construct' ) ) |
|
498 $wp_roles->__construct(); |
|
499 $wpdb->suppress_errors( false ); |
|
500 } |
|
501 |
|
502 if ( did_action('init') ) { |
|
503 $current_user = wp_get_current_user(); |
|
504 if ( is_object( $current_user ) ) |
|
505 $current_user->for_blog( $blog_id ); |
|
506 } |
|
507 |
|
508 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) |
|
509 $global_groups = $wp_object_cache->global_groups; |
|
510 else |
|
511 $global_groups = false; |
|
512 |
|
513 wp_cache_init(); |
|
514 if ( function_exists('wp_cache_add_global_groups') ) { |
|
515 if ( is_array( $global_groups ) ) |
|
516 wp_cache_add_global_groups( $global_groups ); |
|
517 else |
|
518 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) ); |
|
519 wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' )); |
|
520 } |
|
521 |
|
522 do_action('switch_blog', $blog_id, $prev_blog_id); |
|
523 $switched = true; |
|
524 return true; |
|
525 } |
|
526 |
|
527 /** |
|
528 * Restore the current blog, after calling switch_to_blog() |
|
529 * |
|
530 * @see switch_to_blog() |
|
531 * @since MU |
|
532 * |
|
533 * @return bool True on success, False if we're already on the current blog |
|
534 */ |
|
535 function restore_current_blog() { |
|
536 global $table_prefix, $wpdb, $blog_id, $switched, $switched_stack, $wp_roles, $wp_object_cache; |
|
537 |
|
538 if ( !$switched ) |
|
539 return false; |
|
540 |
|
541 if ( !is_array( $switched_stack ) ) |
|
542 return false; |
|
543 |
|
544 $blog = array_pop( $switched_stack ); |
|
545 if ( $blog_id == $blog ) { |
|
546 do_action( 'switch_blog', $blog, $blog ); |
|
547 /* If we still have items in the switched stack, consider ourselves still 'switched' */ |
|
548 $switched = ( is_array( $switched_stack ) && count( $switched_stack ) > 0 ); |
|
549 return true; |
|
550 } |
|
551 |
|
552 $wpdb->set_blog_id($blog); |
|
553 $prev_blog_id = $blog_id; |
|
554 $blog_id = $blog; |
|
555 $table_prefix = $wpdb->prefix; |
|
556 |
|
557 if ( is_object( $wp_roles ) ) { |
|
558 $wpdb->suppress_errors(); |
|
559 if ( method_exists( $wp_roles ,'_init' ) ) |
|
560 $wp_roles->_init(); |
|
561 elseif ( method_exists( $wp_roles, '__construct' ) ) |
|
562 $wp_roles->__construct(); |
|
563 $wpdb->suppress_errors( false ); |
|
564 } |
|
565 |
|
566 if ( did_action('init') ) { |
|
567 $current_user = wp_get_current_user(); |
|
568 if ( is_object( $current_user ) ) |
|
569 $current_user->for_blog( $blog_id ); |
|
570 } |
|
571 |
|
572 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) |
|
573 $global_groups = $wp_object_cache->global_groups; |
|
574 else |
|
575 $global_groups = false; |
|
576 |
|
577 wp_cache_init(); |
|
578 if ( function_exists('wp_cache_add_global_groups') ) { |
|
579 if ( is_array( $global_groups ) ) |
|
580 wp_cache_add_global_groups( $global_groups ); |
|
581 else |
|
582 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) ); |
|
583 wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' )); |
|
584 } |
|
585 |
|
586 do_action('switch_blog', $blog_id, $prev_blog_id); |
|
587 |
|
588 /* If we still have items in the switched stack, consider ourselves still 'switched' */ |
|
589 $switched = ( is_array( $switched_stack ) && count( $switched_stack ) > 0 ); |
|
590 return true; |
|
591 } |
|
592 |
|
593 /** |
|
594 * Check if a particular blog is archived. |
|
595 * |
|
596 * @since MU |
|
597 * |
|
598 * @param int $id The blog id |
|
599 * @return string Whether the blog is archived or not |
|
600 */ |
|
601 function is_archived( $id ) { |
|
602 return get_blog_status($id, 'archived'); |
|
603 } |
|
604 |
|
605 /** |
|
606 * Update the 'archived' status of a particular blog. |
|
607 * |
|
608 * @since MU |
|
609 * |
|
610 * @param int $id The blog id |
|
611 * @param string $archived The new status |
|
612 * @return string $archived |
|
613 */ |
|
614 function update_archived( $id, $archived ) { |
|
615 update_blog_status($id, 'archived', $archived); |
|
616 return $archived; |
|
617 } |
|
618 |
|
619 /** |
|
620 * Update a blog details field. |
|
621 * |
|
622 * @since MU |
|
623 * |
|
624 * @param int $blog_id BLog ID |
|
625 * @param string $pref A field name |
|
626 * @param string $value Value for $pref |
|
627 * @return string $value |
|
628 */ |
|
629 function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { |
|
630 global $wpdb; |
|
631 |
|
632 if ( null !== $deprecated ) |
|
633 _deprecated_argument( __FUNCTION__, '3.1' ); |
|
634 |
|
635 if ( !in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) ) |
|
636 return $value; |
|
637 |
|
638 $wpdb->update( $wpdb->blogs, array($pref => $value, 'last_updated' => current_time('mysql', true)), array('blog_id' => $blog_id) ); |
|
639 |
|
640 refresh_blog_details($blog_id); |
|
641 |
|
642 if ( 'spam' == $pref ) |
|
643 ( $value == 1 ) ? do_action( 'make_spam_blog', $blog_id ) : do_action( 'make_ham_blog', $blog_id ); |
|
644 elseif ( 'mature' == $pref ) |
|
645 ( $value == 1 ) ? do_action( 'mature_blog', $blog_id ) : do_action( 'unmature_blog', $blog_id ); |
|
646 elseif ( 'archived' == $pref ) |
|
647 ( $value == 1 ) ? do_action( 'archive_blog', $blog_id ) : do_action( 'unarchive_blog', $blog_id ); |
|
648 elseif ( 'archived' == $pref ) |
|
649 ( $value == 1 ) ? do_action( 'archive_blog', $blog_id ) : do_action( 'unarchive_blog', $blog_id ); |
|
650 |
|
651 return $value; |
|
652 } |
|
653 |
|
654 /** |
|
655 * Get a blog details field. |
|
656 * |
|
657 * @since MU |
|
658 * |
|
659 * @param int $id The blog id |
|
660 * @param string $pref A field name |
|
661 * @return bool $value |
|
662 */ |
|
663 function get_blog_status( $id, $pref ) { |
|
664 global $wpdb; |
|
665 |
|
666 $details = get_blog_details( $id, false ); |
|
667 if ( $details ) |
|
668 return $details->$pref; |
|
669 |
|
670 return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) ); |
|
671 } |
|
672 |
|
673 /** |
|
674 * Get a list of most recently updated blogs. |
|
675 * |
|
676 * @since MU |
|
677 * |
|
678 * @param mixed $deprecated Not used |
|
679 * @param int $start The offset |
|
680 * @param int $quantity The maximum number of blogs to retrieve. Default is 40. |
|
681 * @return array The list of blogs |
|
682 */ |
|
683 function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) { |
|
684 global $wpdb; |
|
685 |
|
686 if ( ! empty( $deprecated ) ) |
|
687 _deprecated_argument( __FUNCTION__, 'MU' ); // never used |
|
688 |
|
689 return $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", $wpdb->siteid, $start, $quantity ) , ARRAY_A ); |
|
690 } |
|
691 |
|
692 /** |
|
693 * Handler for updating the blog date when a post is published or an already published post is changed. |
|
694 * |
|
695 * @since 3.3.0 |
|
696 * |
|
697 * @param string $new_status The new post status |
|
698 * @param string $old_status The old post status |
|
699 * @param object $post Post object |
|
700 */ |
|
701 function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) { |
|
702 $post_type_obj = get_post_type_object( $post->post_type ); |
|
703 if ( ! $post_type_obj->public ) |
|
704 return; |
|
705 |
|
706 if ( 'publish' != $new_status && 'publish' != $old_status ) |
|
707 return; |
|
708 |
|
709 // Post was freshly published, published post was saved, or published post was unpublished. |
|
710 |
|
711 wpmu_update_blogs_date(); |
|
712 } |
|
713 |
|
714 /** |
|
715 * Handler for updating the blog date when a published post is deleted. |
|
716 * |
|
717 * @since 3.4.0 |
|
718 * |
|
719 * @param int $post_id Post ID |
|
720 */ |
|
721 function _update_blog_date_on_post_delete( $post_id ) { |
|
722 $post = get_post( $post_id ); |
|
723 |
|
724 $post_type_obj = get_post_type_object( $post->post_type ); |
|
725 if ( ! $post_type_obj->public ) |
|
726 return; |
|
727 |
|
728 if ( 'publish' != $post->post_status ) |
|
729 return; |
|
730 |
|
731 wpmu_update_blogs_date(); |
|
732 } |
|
733 |