| [ Index ] |
PHP Cross Reference of WordPress |
[Summary view] [Print] [Text view]
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
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
| Generated: Fri May 25 03:56:23 2012 | Hosted by follow the white rabbit. |