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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 * Updates 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 * Gets a full site URL, given a site ID. 35 * 36 * @since MU (3.0.0) 37 * 38 * @param int $blog_id Site ID. 39 * @return string Full site URL 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 * Gets a full site URL, given a site name. 56 * 57 * @since MU (3.0.0) 58 * 59 * @param string $blogname Name of the subdomain or directory. 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 site's 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 * Retrieves 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 * Defaults to the current blog ID. 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 ( str_starts_with( $fields['domain'], '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 ( str_starts_with( $fields['domain'], '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 $switched_blog = false; 242 243 if ( get_current_blog_id() !== $blog_id ) { 244 switch_to_blog( $blog_id ); 245 $switched_blog = true; 246 } 247 248 $details->blogname = get_option( 'blogname' ); 249 $details->siteurl = get_option( 'siteurl' ); 250 $details->post_count = get_option( 'post_count' ); 251 $details->home = get_option( 'home' ); 252 253 if ( $switched_blog ) { 254 restore_current_blog(); 255 } 256 257 /** 258 * Filters a blog's details. 259 * 260 * @since MU (3.0.0) 261 * @deprecated 4.7.0 Use {@see 'site_details'} instead. 262 * 263 * @param WP_Site $details The blog details. 264 */ 265 $details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' ); 266 267 wp_cache_set( $blog_id . $all, $details, 'blog-details' ); 268 269 $key = md5( $details->domain . $details->path ); 270 wp_cache_set( $key, $details, 'blog-lookup' ); 271 272 return $details; 273 } 274 275 /** 276 * Clears the blog details cache. 277 * 278 * @since MU (3.0.0) 279 * 280 * @param int $blog_id Optional. Blog ID. Defaults to current blog. 281 */ 282 function refresh_blog_details( $blog_id = 0 ) { 283 $blog_id = (int) $blog_id; 284 if ( ! $blog_id ) { 285 $blog_id = get_current_blog_id(); 286 } 287 288 clean_blog_cache( $blog_id ); 289 } 290 291 /** 292 * Updates the details for a blog and the blogs table for a given blog ID. 293 * 294 * @since MU (3.0.0) 295 * 296 * @param int $blog_id Blog ID. 297 * @param array $details Array of details keyed by blogs table field names. 298 * @return bool True if update succeeds, false otherwise. 299 */ 300 function update_blog_details( $blog_id, $details = array() ) { 301 if ( empty( $details ) ) { 302 return false; 303 } 304 305 if ( is_object( $details ) ) { 306 $details = get_object_vars( $details ); 307 } 308 309 $site = wp_update_site( $blog_id, $details ); 310 311 if ( is_wp_error( $site ) ) { 312 return false; 313 } 314 315 return true; 316 } 317 318 /** 319 * Cleans the site details cache for a site. 320 * 321 * @since 4.7.4 322 * 323 * @param int $site_id Optional. Site ID. Default is the current site ID. 324 */ 325 function clean_site_details_cache( $site_id = 0 ) { 326 $site_id = (int) $site_id; 327 if ( ! $site_id ) { 328 $site_id = get_current_blog_id(); 329 } 330 331 wp_cache_delete( $site_id, 'site-details' ); 332 wp_cache_delete( $site_id, 'blog-details' ); 333 } 334 335 /** 336 * Retrieves option value for a given blog id based on name of option. 337 * 338 * If the option does not exist or does not have a value, then the return value 339 * will be false. This is useful to check whether you need to install an option 340 * and is commonly used during installation of plugin options and to test 341 * whether upgrading is required. 342 * 343 * If the option was serialized then it will be unserialized when it is returned. 344 * 345 * @since MU (3.0.0) 346 * 347 * @param int $id A blog ID. Can be null to refer to the current blog. 348 * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. 349 * @param mixed $default_value Optional. Default value to return if the option does not exist. 350 * @return mixed Value set for the option. 351 */ 352 function get_blog_option( $id, $option, $default_value = false ) { 353 $id = (int) $id; 354 355 if ( empty( $id ) ) { 356 $id = get_current_blog_id(); 357 } 358 359 if ( get_current_blog_id() === $id ) { 360 return get_option( $option, $default_value ); 361 } 362 363 switch_to_blog( $id ); 364 $value = get_option( $option, $default_value ); 365 restore_current_blog(); 366 367 /** 368 * Filters a blog option value. 369 * 370 * The dynamic portion of the hook name, `$option`, refers to the blog option name. 371 * 372 * @since 3.5.0 373 * 374 * @param string $value The option value. 375 * @param int $id Blog ID. 376 */ 377 return apply_filters( "blog_option_{$option}", $value, $id ); 378 } 379 380 /** 381 * Adds a new option for a given blog ID. 382 * 383 * You do not need to serialize values. If the value needs to be serialized, then 384 * it will be serialized before it is inserted into the database. Remember, 385 * resources can not be serialized or added as an option. 386 * 387 * You can create options without values and then update the values later. 388 * Existing options will not be updated and checks are performed to ensure that you 389 * aren't adding a protected WordPress option. Care should be taken to not name 390 * options the same as the ones which are protected. 391 * 392 * @since MU (3.0.0) 393 * 394 * @param int $id A blog ID. Can be null to refer to the current blog. 395 * @param string $option Name of option to add. Expected to not be SQL-escaped. 396 * @param mixed $value Option value, can be anything. Expected to not be SQL-escaped. 397 * @return bool True if the option was added, false otherwise. 398 */ 399 function add_blog_option( $id, $option, $value ) { 400 $id = (int) $id; 401 402 if ( empty( $id ) ) { 403 $id = get_current_blog_id(); 404 } 405 406 if ( get_current_blog_id() === $id ) { 407 return add_option( $option, $value ); 408 } 409 410 switch_to_blog( $id ); 411 $return = add_option( $option, $value ); 412 restore_current_blog(); 413 414 return $return; 415 } 416 417 /** 418 * Removes an option by name for a given blog ID. Prevents removal of protected WordPress options. 419 * 420 * @since MU (3.0.0) 421 * 422 * @param int $id A blog ID. Can be null to refer to the current blog. 423 * @param string $option Name of option to remove. Expected to not be SQL-escaped. 424 * @return bool True if the option was deleted, false otherwise. 425 */ 426 function delete_blog_option( $id, $option ) { 427 $id = (int) $id; 428 429 if ( empty( $id ) ) { 430 $id = get_current_blog_id(); 431 } 432 433 if ( get_current_blog_id() === $id ) { 434 return delete_option( $option ); 435 } 436 437 switch_to_blog( $id ); 438 $return = delete_option( $option ); 439 restore_current_blog(); 440 441 return $return; 442 } 443 444 /** 445 * Updates an option for a particular blog. 446 * 447 * @since MU (3.0.0) 448 * 449 * @param int $id The blog ID. 450 * @param string $option The option key. 451 * @param mixed $value The option value. 452 * @param mixed $deprecated Not used. 453 * @return bool True if the value was updated, false otherwise. 454 */ 455 function update_blog_option( $id, $option, $value, $deprecated = null ) { 456 $id = (int) $id; 457 458 if ( null !== $deprecated ) { 459 _deprecated_argument( __FUNCTION__, '3.1.0' ); 460 } 461 462 if ( get_current_blog_id() === $id ) { 463 return update_option( $option, $value ); 464 } 465 466 switch_to_blog( $id ); 467 $return = update_option( $option, $value ); 468 restore_current_blog(); 469 470 return $return; 471 } 472 473 /** 474 * Switches the current blog. 475 * 476 * This function is useful if you need to pull posts, or other information, 477 * from other blogs. You can switch back afterwards using restore_current_blog(). 478 * 479 * PHP code loaded with the originally requested site, such as code from a plugin or theme, does not switch. See #14941. 480 * 481 * @see restore_current_blog() 482 * @since MU (3.0.0) 483 * 484 * @global wpdb $wpdb WordPress database abstraction object. 485 * @global int $blog_id 486 * @global array $_wp_switched_stack 487 * @global bool $switched 488 * @global string $table_prefix The database table prefix. 489 * @global WP_Object_Cache $wp_object_cache 490 * 491 * @param int $new_blog_id The ID of the blog to switch to. Default: current blog. 492 * @param bool $deprecated Not used. 493 * @return true Always returns true. 494 */ 495 function switch_to_blog( $new_blog_id, $deprecated = null ) { 496 global $wpdb; 497 498 $prev_blog_id = get_current_blog_id(); 499 if ( empty( $new_blog_id ) ) { 500 $new_blog_id = $prev_blog_id; 501 } 502 503 $GLOBALS['_wp_switched_stack'][] = $prev_blog_id; 504 505 /* 506 * If we're switching to the same blog id that we're on, 507 * set the right vars, do the associated actions, but skip 508 * the extra unnecessary work 509 */ 510 if ( $new_blog_id === $prev_blog_id ) { 511 /** 512 * Fires when the blog is switched. 513 * 514 * @since MU (3.0.0) 515 * @since 5.4.0 The `$context` parameter was added. 516 * 517 * @param int $new_blog_id New blog ID. 518 * @param int $prev_blog_id Previous blog ID. 519 * @param string $context Additional context. Accepts 'switch' when called from switch_to_blog() 520 * or 'restore' when called from restore_current_blog(). 521 */ 522 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'switch' ); 523 524 $GLOBALS['switched'] = true; 525 526 return true; 527 } 528 529 $wpdb->set_blog_id( $new_blog_id ); 530 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 531 $GLOBALS['blog_id'] = $new_blog_id; 532 533 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 534 wp_cache_switch_to_blog( $new_blog_id ); 535 } else { 536 global $wp_object_cache; 537 538 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 539 $global_groups = $wp_object_cache->global_groups; 540 } else { 541 $global_groups = false; 542 } 543 544 wp_cache_init(); 545 546 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 547 if ( is_array( $global_groups ) ) { 548 wp_cache_add_global_groups( $global_groups ); 549 } else { 550 wp_cache_add_global_groups( 551 array( 552 'blog-details', 553 'blog-id-cache', 554 'blog-lookup', 555 'blog_meta', 556 'global-posts', 557 'image_editor', 558 'networks', 559 'network-queries', 560 'sites', 561 'site-details', 562 'site-options', 563 'site-queries', 564 'site-transient', 565 'theme_files', 566 'rss', 567 'users', 568 'user-queries', 569 'user_meta', 570 'useremail', 571 'userlogins', 572 'userslugs', 573 ) 574 ); 575 } 576 577 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins', 'theme_json' ) ); 578 } 579 } 580 581 /** This filter is documented in wp-includes/ms-blogs.php */ 582 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'switch' ); 583 584 $GLOBALS['switched'] = true; 585 586 return true; 587 } 588 589 /** 590 * Restores the current blog, after calling switch_to_blog(). 591 * 592 * @see switch_to_blog() 593 * @since MU (3.0.0) 594 * 595 * @global wpdb $wpdb WordPress database abstraction object. 596 * @global array $_wp_switched_stack 597 * @global int $blog_id 598 * @global bool $switched 599 * @global string $table_prefix The database table prefix. 600 * @global WP_Object_Cache $wp_object_cache 601 * 602 * @return bool True on success, false if we're already on the current blog. 603 */ 604 function restore_current_blog() { 605 global $wpdb; 606 607 if ( empty( $GLOBALS['_wp_switched_stack'] ) ) { 608 return false; 609 } 610 611 $new_blog_id = array_pop( $GLOBALS['_wp_switched_stack'] ); 612 $prev_blog_id = get_current_blog_id(); 613 614 if ( $new_blog_id === $prev_blog_id ) { 615 /** This filter is documented in wp-includes/ms-blogs.php */ 616 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'restore' ); 617 618 // If we still have items in the switched stack, consider ourselves still 'switched'. 619 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 620 621 return true; 622 } 623 624 $wpdb->set_blog_id( $new_blog_id ); 625 $GLOBALS['blog_id'] = $new_blog_id; 626 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 627 628 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 629 wp_cache_switch_to_blog( $new_blog_id ); 630 } else { 631 global $wp_object_cache; 632 633 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 634 $global_groups = $wp_object_cache->global_groups; 635 } else { 636 $global_groups = false; 637 } 638 639 wp_cache_init(); 640 641 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 642 if ( is_array( $global_groups ) ) { 643 wp_cache_add_global_groups( $global_groups ); 644 } else { 645 wp_cache_add_global_groups( 646 array( 647 'blog-details', 648 'blog-id-cache', 649 'blog-lookup', 650 'blog_meta', 651 'global-posts', 652 'image_editor', 653 'networks', 654 'network-queries', 655 'sites', 656 'site-details', 657 'site-options', 658 'site-queries', 659 'site-transient', 660 'theme_files', 661 'rss', 662 'users', 663 'user-queries', 664 'user_meta', 665 'useremail', 666 'userlogins', 667 'userslugs', 668 ) 669 ); 670 } 671 672 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins', 'theme_json' ) ); 673 } 674 } 675 676 /** This filter is documented in wp-includes/ms-blogs.php */ 677 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'restore' ); 678 679 // If we still have items in the switched stack, consider ourselves still 'switched'. 680 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 681 682 return true; 683 } 684 685 /** 686 * Switches the initialized roles and current user capabilities to another site. 687 * 688 * @since 4.9.0 689 * 690 * @param int $new_site_id New site ID. 691 * @param int $old_site_id Old site ID. 692 */ 693 function wp_switch_roles_and_user( $new_site_id, $old_site_id ) { 694 if ( $new_site_id === $old_site_id ) { 695 return; 696 } 697 698 if ( ! did_action( 'init' ) ) { 699 return; 700 } 701 702 wp_roles()->for_site( $new_site_id ); 703 wp_get_current_user()->for_site( $new_site_id ); 704 } 705 706 /** 707 * Determines if switch_to_blog() is in effect. 708 * 709 * @since 3.5.0 710 * 711 * @global array $_wp_switched_stack 712 * 713 * @return bool True if switched, false otherwise. 714 */ 715 function ms_is_switched() { 716 return ! empty( $GLOBALS['_wp_switched_stack'] ); 717 } 718 719 /** 720 * Checks if a particular blog is archived. 721 * 722 * @since MU (3.0.0) 723 * 724 * @param int $id Blog ID. 725 * @return string Whether the blog is archived or not. 726 */ 727 function is_archived( $id ) { 728 return get_blog_status( $id, 'archived' ); 729 } 730 731 /** 732 * Updates the 'archived' status of a particular blog. 733 * 734 * @since MU (3.0.0) 735 * 736 * @param int $id Blog ID. 737 * @param string $archived The new status. 738 * @return string $archived 739 */ 740 function update_archived( $id, $archived ) { 741 update_blog_status( $id, 'archived', $archived ); 742 return $archived; 743 } 744 745 /** 746 * Updates a blog details field. 747 * 748 * @since MU (3.0.0) 749 * @since 5.1.0 Use wp_update_site() internally. 750 * 751 * @global wpdb $wpdb WordPress database abstraction object. 752 * 753 * @param int $blog_id Blog ID. 754 * @param string $pref Field name. 755 * @param string $value Field value. 756 * @param null $deprecated Not used. 757 * @return string|false $value 758 */ 759 function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { 760 global $wpdb; 761 762 if ( null !== $deprecated ) { 763 _deprecated_argument( __FUNCTION__, '3.1.0' ); 764 } 765 766 $allowed_field_names = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); 767 768 if ( ! in_array( $pref, $allowed_field_names, true ) ) { 769 return $value; 770 } 771 772 $result = wp_update_site( 773 $blog_id, 774 array( 775 $pref => $value, 776 ) 777 ); 778 779 if ( is_wp_error( $result ) ) { 780 return false; 781 } 782 783 return $value; 784 } 785 786 /** 787 * Gets a blog details field. 788 * 789 * @since MU (3.0.0) 790 * 791 * @global wpdb $wpdb WordPress database abstraction object. 792 * 793 * @param int $id Blog ID. 794 * @param string $pref Field name. 795 * @return bool|string|null $value 796 */ 797 function get_blog_status( $id, $pref ) { 798 global $wpdb; 799 800 $details = get_site( $id ); 801 if ( $details ) { 802 return $details->$pref; 803 } 804 805 return $wpdb->get_var( $wpdb->prepare( "SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id ) ); 806 } 807 808 /** 809 * Gets a list of most recently updated blogs. 810 * 811 * @since MU (3.0.0) 812 * 813 * @global wpdb $wpdb WordPress database abstraction object. 814 * 815 * @param mixed $deprecated Not used. 816 * @param int $start Optional. Number of blogs to offset the query. Used to build LIMIT clause. 817 * Can be used for pagination. Default 0. 818 * @param int $quantity Optional. The maximum number of blogs to retrieve. Default 40. 819 * @return array The list of blogs. 820 */ 821 function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) { 822 global $wpdb; 823 824 if ( ! empty( $deprecated ) ) { 825 _deprecated_argument( __FUNCTION__, 'MU' ); // Never used. 826 } 827 828 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 ); 829 } 830 831 /** 832 * Handler for updating the site's last updated date when a post is published or 833 * an already published post is changed. 834 * 835 * @since 3.3.0 836 * 837 * @param string $new_status The new post status. 838 * @param string $old_status The old post status. 839 * @param WP_Post $post Post object. 840 */ 841 function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) { 842 $post_type_obj = get_post_type_object( $post->post_type ); 843 if ( ! $post_type_obj || ! $post_type_obj->public ) { 844 return; 845 } 846 847 if ( 'publish' !== $new_status && 'publish' !== $old_status ) { 848 return; 849 } 850 851 // Post was freshly published, published post was saved, or published post was unpublished. 852 853 wpmu_update_blogs_date(); 854 } 855 856 /** 857 * Handler for updating the current site's last updated date when a published 858 * post is deleted. 859 * 860 * @since 3.4.0 861 * 862 * @param int $post_id Post ID 863 */ 864 function _update_blog_date_on_post_delete( $post_id ) { 865 $post = get_post( $post_id ); 866 867 $post_type_obj = get_post_type_object( $post->post_type ); 868 if ( ! $post_type_obj || ! $post_type_obj->public ) { 869 return; 870 } 871 872 if ( 'publish' !== $post->post_status ) { 873 return; 874 } 875 876 wpmu_update_blogs_date(); 877 } 878 879 /** 880 * Handler for updating the current site's posts count when a post is deleted. 881 * 882 * @since 4.0.0 883 * @since 6.2.0 Added the `$post` parameter. 884 * 885 * @param int $post_id Post ID. 886 * @param WP_Post $post Post object. 887 */ 888 function _update_posts_count_on_delete( $post_id, $post ) { 889 if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) { 890 return; 891 } 892 893 update_posts_count(); 894 } 895 896 /** 897 * Handler for updating the current site's posts count when a post status changes. 898 * 899 * @since 4.0.0 900 * @since 4.9.0 Added the `$post` parameter. 901 * 902 * @param string $new_status The status the post is changing to. 903 * @param string $old_status The status the post is changing from. 904 * @param WP_Post $post Post object 905 */ 906 function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) { 907 if ( $new_status === $old_status ) { 908 return; 909 } 910 911 if ( 'post' !== get_post_type( $post ) ) { 912 return; 913 } 914 915 if ( 'publish' !== $new_status && 'publish' !== $old_status ) { 916 return; 917 } 918 919 update_posts_count(); 920 } 921 922 /** 923 * Counts number of sites grouped by site status. 924 * 925 * @since 5.3.0 926 * 927 * @param int $network_id Optional. The network to get counts for. Default is the current network ID. 928 * @return int[] { 929 * Numbers of sites grouped by site status. 930 * 931 * @type int $all The total number of sites. 932 * @type int $public The number of public sites. 933 * @type int $archived The number of archived sites. 934 * @type int $mature The number of mature sites. 935 * @type int $spam The number of spam sites. 936 * @type int $deleted The number of deleted sites. 937 * } 938 */ 939 function wp_count_sites( $network_id = null ) { 940 if ( empty( $network_id ) ) { 941 $network_id = get_current_network_id(); 942 } 943 944 $counts = array(); 945 $args = array( 946 'network_id' => $network_id, 947 'number' => 1, 948 'fields' => 'ids', 949 'no_found_rows' => false, 950 ); 951 952 $q = new WP_Site_Query( $args ); 953 $counts['all'] = $q->found_sites; 954 955 $_args = $args; 956 $statuses = array( 'public', 'archived', 'mature', 'spam', 'deleted' ); 957 958 foreach ( $statuses as $status ) { 959 $_args = $args; 960 $_args[ $status ] = 1; 961 962 $q = new WP_Site_Query( $_args ); 963 $counts[ $status ] = $q->found_sites; 964 } 965 966 return $counts; 967 }
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| Generated : Sat Dec 21 08:20:01 2024 | Cross-referenced by PHPXref |