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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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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 (3.0.0) 9 */ 10 11 require_once ( ABSPATH . WPINC . '/ms-site.php' ); 12 require_once ( ABSPATH . WPINC . '/ms-network.php' ); 13 14 /** 15 * Update the last_updated field for the current site. 16 * 17 * @since MU (3.0.0) 18 */ 19 function wpmu_update_blogs_date() { 20 $site_id = get_current_blog_id(); 21 22 update_blog_details( $site_id, array( 'last_updated' => current_time( 'mysql', true ) ) ); 23 /** 24 * Fires after the blog details are updated. 25 * 26 * @since MU (3.0.0) 27 * 28 * @param int $blog_id Site ID. 29 */ 30 do_action( 'wpmu_blog_updated', $site_id ); 31 } 32 33 /** 34 * Get a full blog URL, given a blog id. 35 * 36 * @since MU (3.0.0) 37 * 38 * @param int $blog_id Blog ID. 39 * @return string Full URL of the blog if found. Empty string if not. 40 */ 41 function get_blogaddress_by_id( $blog_id ) { 42 $bloginfo = get_site( (int) $blog_id ); 43 44 if ( empty( $bloginfo ) ) { 45 return ''; 46 } 47 48 $scheme = parse_url( $bloginfo->home, PHP_URL_SCHEME ); 49 $scheme = empty( $scheme ) ? 'http' : $scheme; 50 51 return esc_url( $scheme . '://' . $bloginfo->domain . $bloginfo->path ); 52 } 53 54 /** 55 * Get a full blog URL, given a blog name. 56 * 57 * @since MU (3.0.0) 58 * 59 * @param string $blogname The (subdomain or directory) name 60 * @return string 61 */ 62 function get_blogaddress_by_name( $blogname ) { 63 if ( is_subdomain_install() ) { 64 if ( 'main' === $blogname ) { 65 $blogname = 'www'; 66 } 67 $url = rtrim( network_home_url(), '/' ); 68 if ( ! empty( $blogname ) ) { 69 $url = preg_replace( '|^([^\.]+://)|', '$1}' . $blogname . '.', $url ); 70 } 71 } else { 72 $url = network_home_url( $blogname ); 73 } 74 return esc_url( $url . '/' ); 75 } 76 77 /** 78 * Retrieves a sites ID given its (subdomain or directory) slug. 79 * 80 * @since MU (3.0.0) 81 * @since 4.7.0 Converted to use `get_sites()`. 82 * 83 * @param string $slug A site's slug. 84 * @return int|null The site ID, or null if no site is found for the given slug. 85 */ 86 function get_id_from_blogname( $slug ) { 87 $current_network = get_network(); 88 $slug = trim( $slug, '/' ); 89 90 if ( is_subdomain_install() ) { 91 $domain = $slug . '.' . preg_replace( '|^www\.|', '', $current_network->domain ); 92 $path = $current_network->path; 93 } else { 94 $domain = $current_network->domain; 95 $path = $current_network->path . $slug . '/'; 96 } 97 98 $site_ids = get_sites( 99 array( 100 'number' => 1, 101 'fields' => 'ids', 102 'domain' => $domain, 103 'path' => $path, 104 'update_site_meta_cache' => false, 105 ) 106 ); 107 108 if ( empty( $site_ids ) ) { 109 return null; 110 } 111 112 return array_shift( $site_ids ); 113 } 114 115 /** 116 * Retrieve the details for a blog from the blogs table and blog options. 117 * 118 * @since MU (3.0.0) 119 * 120 * @global wpdb $wpdb WordPress database abstraction object. 121 * 122 * @param int|string|array $fields Optional. A blog ID, a blog slug, or an array of fields to query against. 123 * If not specified the current blog ID is used. 124 * @param bool $get_all Whether to retrieve all details or only the details in the blogs table. 125 * Default is true. 126 * @return WP_Site|false Blog details on success. False on failure. 127 */ 128 function get_blog_details( $fields = null, $get_all = true ) { 129 global $wpdb; 130 131 if ( is_array( $fields ) ) { 132 if ( isset( $fields['blog_id'] ) ) { 133 $blog_id = $fields['blog_id']; 134 } elseif ( isset( $fields['domain'] ) && isset( $fields['path'] ) ) { 135 $key = md5( $fields['domain'] . $fields['path'] ); 136 $blog = wp_cache_get( $key, 'blog-lookup' ); 137 if ( false !== $blog ) { 138 return $blog; 139 } 140 if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { 141 $nowww = substr( $fields['domain'], 4 ); 142 $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'] ) ); 143 } else { 144 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) ); 145 } 146 if ( $blog ) { 147 wp_cache_set( $blog->blog_id . 'short', $blog, 'blog-details' ); 148 $blog_id = $blog->blog_id; 149 } else { 150 return false; 151 } 152 } elseif ( isset( $fields['domain'] ) && is_subdomain_install() ) { 153 $key = md5( $fields['domain'] ); 154 $blog = wp_cache_get( $key, 'blog-lookup' ); 155 if ( false !== $blog ) { 156 return $blog; 157 } 158 if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) { 159 $nowww = substr( $fields['domain'], 4 ); 160 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) ); 161 } else { 162 $blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) ); 163 } 164 if ( $blog ) { 165 wp_cache_set( $blog->blog_id . 'short', $blog, 'blog-details' ); 166 $blog_id = $blog->blog_id; 167 } else { 168 return false; 169 } 170 } else { 171 return false; 172 } 173 } else { 174 if ( ! $fields ) { 175 $blog_id = get_current_blog_id(); 176 } elseif ( ! is_numeric( $fields ) ) { 177 $blog_id = get_id_from_blogname( $fields ); 178 } else { 179 $blog_id = $fields; 180 } 181 } 182 183 $blog_id = (int) $blog_id; 184 185 $all = $get_all ? '' : 'short'; 186 $details = wp_cache_get( $blog_id . $all, 'blog-details' ); 187 188 if ( $details ) { 189 if ( ! is_object( $details ) ) { 190 if ( -1 == $details ) { 191 return false; 192 } else { 193 // Clear old pre-serialized objects. Cache clients do better with that. 194 wp_cache_delete( $blog_id . $all, 'blog-details' ); 195 unset( $details ); 196 } 197 } else { 198 return $details; 199 } 200 } 201 202 // Try the other cache. 203 if ( $get_all ) { 204 $details = wp_cache_get( $blog_id . 'short', 'blog-details' ); 205 } else { 206 $details = wp_cache_get( $blog_id, 'blog-details' ); 207 // If short was requested and full cache is set, we can return. 208 if ( $details ) { 209 if ( ! is_object( $details ) ) { 210 if ( -1 == $details ) { 211 return false; 212 } else { 213 // Clear old pre-serialized objects. Cache clients do better with that. 214 wp_cache_delete( $blog_id, 'blog-details' ); 215 unset( $details ); 216 } 217 } else { 218 return $details; 219 } 220 } 221 } 222 223 if ( empty( $details ) ) { 224 $details = WP_Site::get_instance( $blog_id ); 225 if ( ! $details ) { 226 // Set the full cache. 227 wp_cache_set( $blog_id, -1, 'blog-details' ); 228 return false; 229 } 230 } 231 232 if ( ! $details instanceof WP_Site ) { 233 $details = new WP_Site( $details ); 234 } 235 236 if ( ! $get_all ) { 237 wp_cache_set( $blog_id . $all, $details, 'blog-details' ); 238 return $details; 239 } 240 241 switch_to_blog( $blog_id ); 242 $details->blogname = get_option( 'blogname' ); 243 $details->siteurl = get_option( 'siteurl' ); 244 $details->post_count = get_option( 'post_count' ); 245 $details->home = get_option( 'home' ); 246 restore_current_blog(); 247 248 /** 249 * Filters a blog's details. 250 * 251 * @since MU (3.0.0) 252 * @deprecated 4.7.0 Use site_details 253 * 254 * @param object $details The blog details. 255 */ 256 $details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' ); 257 258 wp_cache_set( $blog_id . $all, $details, 'blog-details' ); 259 260 $key = md5( $details->domain . $details->path ); 261 wp_cache_set( $key, $details, 'blog-lookup' ); 262 263 return $details; 264 } 265 266 /** 267 * Clear the blog details cache. 268 * 269 * @since MU (3.0.0) 270 * 271 * @param int $blog_id Optional. Blog ID. Defaults to current blog. 272 */ 273 function refresh_blog_details( $blog_id = 0 ) { 274 $blog_id = (int) $blog_id; 275 if ( ! $blog_id ) { 276 $blog_id = get_current_blog_id(); 277 } 278 279 clean_blog_cache( $blog_id ); 280 } 281 282 /** 283 * Update the details for a blog. Updates the blogs table for a given blog id. 284 * 285 * @since MU (3.0.0) 286 * 287 * @global wpdb $wpdb WordPress database abstraction object. 288 * 289 * @param int $blog_id Blog ID. 290 * @param array $details Array of details keyed by blogs table field names. 291 * @return bool True if update succeeds, false otherwise. 292 */ 293 function update_blog_details( $blog_id, $details = array() ) { 294 global $wpdb; 295 296 if ( empty( $details ) ) { 297 return false; 298 } 299 300 if ( is_object( $details ) ) { 301 $details = get_object_vars( $details ); 302 } 303 304 $site = wp_update_site( $blog_id, $details ); 305 306 if ( is_wp_error( $site ) ) { 307 return false; 308 } 309 310 return true; 311 } 312 313 /** 314 * Cleans the site details cache for a site. 315 * 316 * @since 4.7.4 317 * 318 * @param int $site_id Optional. Site ID. Default is the current site ID. 319 */ 320 function clean_site_details_cache( $site_id = 0 ) { 321 $site_id = (int) $site_id; 322 if ( ! $site_id ) { 323 $site_id = get_current_blog_id(); 324 } 325 326 wp_cache_delete( $site_id, 'site-details' ); 327 wp_cache_delete( $site_id, 'blog-details' ); 328 } 329 330 /** 331 * Retrieve option value for a given blog id based on name of option. 332 * 333 * If the option does not exist or does not have a value, then the return value 334 * will be false. This is useful to check whether you need to install an option 335 * and is commonly used during installation of plugin options and to test 336 * whether upgrading is required. 337 * 338 * If the option was serialized then it will be unserialized when it is returned. 339 * 340 * @since MU (3.0.0) 341 * 342 * @param int $id A blog ID. Can be null to refer to the current blog. 343 * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. 344 * @param mixed $default Optional. Default value to return if the option does not exist. 345 * @return mixed Value set for the option. 346 */ 347 function get_blog_option( $id, $option, $default = false ) { 348 $id = (int) $id; 349 350 if ( empty( $id ) ) { 351 $id = get_current_blog_id(); 352 } 353 354 if ( get_current_blog_id() == $id ) { 355 return get_option( $option, $default ); 356 } 357 358 switch_to_blog( $id ); 359 $value = get_option( $option, $default ); 360 restore_current_blog(); 361 362 /** 363 * Filters a blog option value. 364 * 365 * The dynamic portion of the hook name, `$option`, refers to the blog option name. 366 * 367 * @since 3.5.0 368 * 369 * @param string $value The option value. 370 * @param int $id Blog ID. 371 */ 372 return apply_filters( "blog_option_{$option}", $value, $id ); 373 } 374 375 /** 376 * Add a new option for a given blog id. 377 * 378 * You do not need to serialize values. If the value needs to be serialized, then 379 * it will be serialized before it is inserted into the database. Remember, 380 * resources can not be serialized or added as an option. 381 * 382 * You can create options without values and then update the values later. 383 * Existing options will not be updated and checks are performed to ensure that you 384 * aren't adding a protected WordPress option. Care should be taken to not name 385 * options the same as the ones which are protected. 386 * 387 * @since MU (3.0.0) 388 * 389 * @param int $id A blog ID. Can be null to refer to the current blog. 390 * @param string $option Name of option to add. Expected to not be SQL-escaped. 391 * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped. 392 * @return bool False if option was not added and true if option was added. 393 */ 394 function add_blog_option( $id, $option, $value ) { 395 $id = (int) $id; 396 397 if ( empty( $id ) ) { 398 $id = get_current_blog_id(); 399 } 400 401 if ( get_current_blog_id() == $id ) { 402 return add_option( $option, $value ); 403 } 404 405 switch_to_blog( $id ); 406 $return = add_option( $option, $value ); 407 restore_current_blog(); 408 409 return $return; 410 } 411 412 /** 413 * Removes option by name for a given blog id. Prevents removal of protected WordPress options. 414 * 415 * @since MU (3.0.0) 416 * 417 * @param int $id A blog ID. Can be null to refer to the current blog. 418 * @param string $option Name of option to remove. Expected to not be SQL-escaped. 419 * @return bool True, if option is successfully deleted. False on failure. 420 */ 421 function delete_blog_option( $id, $option ) { 422 $id = (int) $id; 423 424 if ( empty( $id ) ) { 425 $id = get_current_blog_id(); 426 } 427 428 if ( get_current_blog_id() == $id ) { 429 return delete_option( $option ); 430 } 431 432 switch_to_blog( $id ); 433 $return = delete_option( $option ); 434 restore_current_blog(); 435 436 return $return; 437 } 438 439 /** 440 * Update an option for a particular blog. 441 * 442 * @since MU (3.0.0) 443 * 444 * @param int $id The blog id. 445 * @param string $option The option key. 446 * @param mixed $value The option value. 447 * @param mixed $deprecated Not used. 448 * @return bool True on success, false on failure. 449 */ 450 function update_blog_option( $id, $option, $value, $deprecated = null ) { 451 $id = (int) $id; 452 453 if ( null !== $deprecated ) { 454 _deprecated_argument( __FUNCTION__, '3.1.0' ); 455 } 456 457 if ( get_current_blog_id() == $id ) { 458 return update_option( $option, $value ); 459 } 460 461 switch_to_blog( $id ); 462 $return = update_option( $option, $value ); 463 restore_current_blog(); 464 465 return $return; 466 } 467 468 /** 469 * Switch the current blog. 470 * 471 * This function is useful if you need to pull posts, or other information, 472 * from other blogs. You can switch back afterwards using restore_current_blog(). 473 * 474 * Things that aren't switched: 475 * - plugins. See #14941 476 * 477 * @see restore_current_blog() 478 * @since MU (3.0.0) 479 * 480 * @global wpdb $wpdb WordPress database abstraction object. 481 * @global int $blog_id 482 * @global array $_wp_switched_stack 483 * @global bool $switched 484 * @global string $table_prefix 485 * @global WP_Object_Cache $wp_object_cache 486 * 487 * @param int $new_blog_id The ID of the blog to switch to. Default: current blog. 488 * @param bool $deprecated Not used. 489 * @return true Always returns true. 490 */ 491 function switch_to_blog( $new_blog_id, $deprecated = null ) { 492 global $wpdb; 493 494 $prev_blog_id = get_current_blog_id(); 495 if ( empty( $new_blog_id ) ) { 496 $new_blog_id = $prev_blog_id; 497 } 498 499 $GLOBALS['_wp_switched_stack'][] = $prev_blog_id; 500 501 /* 502 * If we're switching to the same blog id that we're on, 503 * set the right vars, do the associated actions, but skip 504 * the extra unnecessary work 505 */ 506 if ( $new_blog_id == $prev_blog_id ) { 507 /** 508 * Fires when the blog is switched. 509 * 510 * @since MU (3.0.0) 511 * 512 * @param int $new_blog_id New blog ID. 513 * @param int $prev_blog_id Previous blog ID. 514 */ 515 do_action( 'switch_blog', $new_blog_id, $prev_blog_id ); 516 $GLOBALS['switched'] = true; 517 return true; 518 } 519 520 $wpdb->set_blog_id( $new_blog_id ); 521 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 522 $GLOBALS['blog_id'] = $new_blog_id; 523 524 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 525 wp_cache_switch_to_blog( $new_blog_id ); 526 } else { 527 global $wp_object_cache; 528 529 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 530 $global_groups = $wp_object_cache->global_groups; 531 } else { 532 $global_groups = false; 533 } 534 wp_cache_init(); 535 536 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 537 if ( is_array( $global_groups ) ) { 538 wp_cache_add_global_groups( $global_groups ); 539 } else { 540 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details', 'blog_meta' ) ); 541 } 542 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); 543 } 544 } 545 546 /** This filter is documented in wp-includes/ms-blogs.php */ 547 do_action( 'switch_blog', $new_blog_id, $prev_blog_id ); 548 $GLOBALS['switched'] = true; 549 550 return true; 551 } 552 553 /** 554 * Restore the current blog, after calling switch_to_blog(). 555 * 556 * @see switch_to_blog() 557 * @since MU (3.0.0) 558 * 559 * @global wpdb $wpdb WordPress database abstraction object. 560 * @global array $_wp_switched_stack 561 * @global int $blog_id 562 * @global bool $switched 563 * @global string $table_prefix 564 * @global WP_Object_Cache $wp_object_cache 565 * 566 * @return bool True on success, false if we're already on the current blog. 567 */ 568 function restore_current_blog() { 569 global $wpdb; 570 571 if ( empty( $GLOBALS['_wp_switched_stack'] ) ) { 572 return false; 573 } 574 575 $new_blog_id = array_pop( $GLOBALS['_wp_switched_stack'] ); 576 $prev_blog_id = get_current_blog_id(); 577 578 if ( $new_blog_id == $prev_blog_id ) { 579 /** This filter is documented in wp-includes/ms-blogs.php */ 580 do_action( 'switch_blog', $new_blog_id, $prev_blog_id ); 581 // If we still have items in the switched stack, consider ourselves still 'switched' 582 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 583 return true; 584 } 585 586 $wpdb->set_blog_id( $new_blog_id ); 587 $GLOBALS['blog_id'] = $new_blog_id; 588 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 589 590 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 591 wp_cache_switch_to_blog( $new_blog_id ); 592 } else { 593 global $wp_object_cache; 594 595 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 596 $global_groups = $wp_object_cache->global_groups; 597 } else { 598 $global_groups = false; 599 } 600 601 wp_cache_init(); 602 603 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 604 if ( is_array( $global_groups ) ) { 605 wp_cache_add_global_groups( $global_groups ); 606 } else { 607 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details', 'blog_meta' ) ); 608 } 609 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); 610 } 611 } 612 613 /** This filter is documented in wp-includes/ms-blogs.php */ 614 do_action( 'switch_blog', $new_blog_id, $prev_blog_id ); 615 616 // If we still have items in the switched stack, consider ourselves still 'switched' 617 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 618 619 return true; 620 } 621 622 /** 623 * Switches the initialized roles and current user capabilities to another site. 624 * 625 * @since 4.9.0 626 * 627 * @param int $new_site_id New site ID. 628 * @param int $old_site_id Old site ID. 629 */ 630 function wp_switch_roles_and_user( $new_site_id, $old_site_id ) { 631 if ( $new_site_id == $old_site_id ) { 632 return; 633 } 634 635 if ( ! did_action( 'init' ) ) { 636 return; 637 } 638 639 wp_roles()->for_site( $new_site_id ); 640 wp_get_current_user()->for_site( $new_site_id ); 641 } 642 643 /** 644 * Determines if switch_to_blog() is in effect 645 * 646 * @since 3.5.0 647 * 648 * @global array $_wp_switched_stack 649 * 650 * @return bool True if switched, false otherwise. 651 */ 652 function ms_is_switched() { 653 return ! empty( $GLOBALS['_wp_switched_stack'] ); 654 } 655 656 /** 657 * Check if a particular blog is archived. 658 * 659 * @since MU (3.0.0) 660 * 661 * @param int $id Blog ID. 662 * @return string Whether the blog is archived or not. 663 */ 664 function is_archived( $id ) { 665 return get_blog_status( $id, 'archived' ); 666 } 667 668 /** 669 * Update the 'archived' status of a particular blog. 670 * 671 * @since MU (3.0.0) 672 * 673 * @param int $id Blog ID. 674 * @param string $archived The new status. 675 * @return string $archived 676 */ 677 function update_archived( $id, $archived ) { 678 update_blog_status( $id, 'archived', $archived ); 679 return $archived; 680 } 681 682 /** 683 * Update a blog details field. 684 * 685 * @since MU (3.0.0) 686 * @since 5.1.0 Use wp_update_site() internally. 687 * 688 * @global wpdb $wpdb WordPress database abstraction object. 689 * 690 * @param int $blog_id Blog ID. 691 * @param string $pref Field name. 692 * @param string $value Field value. 693 * @param null $deprecated Not used. 694 * @return string|false $value 695 */ 696 function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { 697 global $wpdb; 698 699 if ( null !== $deprecated ) { 700 _deprecated_argument( __FUNCTION__, '3.1.0' ); 701 } 702 703 if ( ! in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ) ) ) { 704 return $value; 705 } 706 707 $result = wp_update_site( 708 $blog_id, 709 array( 710 $pref => $value, 711 ) 712 ); 713 714 if ( is_wp_error( $result ) ) { 715 return false; 716 } 717 718 return $value; 719 } 720 721 /** 722 * Get a blog details field. 723 * 724 * @since MU (3.0.0) 725 * 726 * @global wpdb $wpdb WordPress database abstraction object. 727 * 728 * @param int $id Blog ID. 729 * @param string $pref Field name. 730 * @return bool|string|null $value 731 */ 732 function get_blog_status( $id, $pref ) { 733 global $wpdb; 734 735 $details = get_site( $id ); 736 if ( $details ) { 737 return $details->$pref; 738 } 739 740 return $wpdb->get_var( $wpdb->prepare( "SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id ) ); 741 } 742 743 /** 744 * Get a list of most recently updated blogs. 745 * 746 * @since MU (3.0.0) 747 * 748 * @global wpdb $wpdb WordPress database abstraction object. 749 * 750 * @param mixed $deprecated Not used. 751 * @param int $start Optional. Number of blogs to offset the query. Used to build LIMIT clause. 752 * Can be used for pagination. Default 0. 753 * @param int $quantity Optional. The maximum number of blogs to retrieve. Default 40. 754 * @return array The list of blogs. 755 */ 756 function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) { 757 global $wpdb; 758 759 if ( ! empty( $deprecated ) ) { 760 _deprecated_argument( __FUNCTION__, 'MU' ); // never used 761 } 762 763 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", get_current_network_id(), $start, $quantity ), ARRAY_A ); 764 } 765 766 /** 767 * Handler for updating the site's last updated date when a post is published or 768 * an already published post is changed. 769 * 770 * @since 3.3.0 771 * 772 * @param string $new_status The new post status 773 * @param string $old_status The old post status 774 * @param object $post Post object 775 */ 776 function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) { 777 $post_type_obj = get_post_type_object( $post->post_type ); 778 if ( ! $post_type_obj || ! $post_type_obj->public ) { 779 return; 780 } 781 782 if ( 'publish' != $new_status && 'publish' != $old_status ) { 783 return; 784 } 785 786 // Post was freshly published, published post was saved, or published post was unpublished. 787 788 wpmu_update_blogs_date(); 789 } 790 791 /** 792 * Handler for updating the current site's last updated date when a published 793 * post is deleted. 794 * 795 * @since 3.4.0 796 * 797 * @param int $post_id Post ID 798 */ 799 function _update_blog_date_on_post_delete( $post_id ) { 800 $post = get_post( $post_id ); 801 802 $post_type_obj = get_post_type_object( $post->post_type ); 803 if ( ! $post_type_obj || ! $post_type_obj->public ) { 804 return; 805 } 806 807 if ( 'publish' != $post->post_status ) { 808 return; 809 } 810 811 wpmu_update_blogs_date(); 812 } 813 814 /** 815 * Handler for updating the current site's posts count when a post is deleted. 816 * 817 * @since 4.0.0 818 * 819 * @param int $post_id Post ID. 820 */ 821 function _update_posts_count_on_delete( $post_id ) { 822 $post = get_post( $post_id ); 823 824 if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) { 825 return; 826 } 827 828 update_posts_count(); 829 } 830 831 /** 832 * Handler for updating the current site's posts count when a post status changes. 833 * 834 * @since 4.0.0 835 * @since 4.9.0 Added the `$post` parameter. 836 * 837 * @param string $new_status The status the post is changing to. 838 * @param string $old_status The status the post is changing from. 839 * @param WP_Post $post Post object 840 */ 841 function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) { 842 if ( $new_status === $old_status ) { 843 return; 844 } 845 846 if ( 'post' !== get_post_type( $post ) ) { 847 return; 848 } 849 850 if ( 'publish' !== $new_status && 'publish' !== $old_status ) { 851 return; 852 } 853 854 update_posts_count(); 855 }
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