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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 ( 'www.' === substr( $fields['domain'], 0, 4 ) ) { 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 ( 'www.' === substr( $fields['domain'], 0, 4 ) ) { 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 * Clear 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 * Update the details for a blog. Updates the blogs table for a given blog ID. 293 * 294 * @since MU (3.0.0) 295 * 296 * @global wpdb $wpdb WordPress database abstraction object. 297 * 298 * @param int $blog_id Blog ID. 299 * @param array $details Array of details keyed by blogs table field names. 300 * @return bool True if update succeeds, false otherwise. 301 */ 302 function update_blog_details( $blog_id, $details = array() ) { 303 global $wpdb; 304 305 if ( empty( $details ) ) { 306 return false; 307 } 308 309 if ( is_object( $details ) ) { 310 $details = get_object_vars( $details ); 311 } 312 313 $site = wp_update_site( $blog_id, $details ); 314 315 if ( is_wp_error( $site ) ) { 316 return false; 317 } 318 319 return true; 320 } 321 322 /** 323 * Cleans the site details cache for a site. 324 * 325 * @since 4.7.4 326 * 327 * @param int $site_id Optional. Site ID. Default is the current site ID. 328 */ 329 function clean_site_details_cache( $site_id = 0 ) { 330 $site_id = (int) $site_id; 331 if ( ! $site_id ) { 332 $site_id = get_current_blog_id(); 333 } 334 335 wp_cache_delete( $site_id, 'site-details' ); 336 wp_cache_delete( $site_id, 'blog-details' ); 337 } 338 339 /** 340 * Retrieve option value for a given blog id based on name of option. 341 * 342 * If the option does not exist or does not have a value, then the return value 343 * will be false. This is useful to check whether you need to install an option 344 * and is commonly used during installation of plugin options and to test 345 * whether upgrading is required. 346 * 347 * If the option was serialized then it will be unserialized when it is returned. 348 * 349 * @since MU (3.0.0) 350 * 351 * @param int $id A blog ID. Can be null to refer to the current blog. 352 * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. 353 * @param mixed $default Optional. Default value to return if the option does not exist. 354 * @return mixed Value set for the option. 355 */ 356 function get_blog_option( $id, $option, $default = false ) { 357 $id = (int) $id; 358 359 if ( empty( $id ) ) { 360 $id = get_current_blog_id(); 361 } 362 363 if ( get_current_blog_id() == $id ) { 364 return get_option( $option, $default ); 365 } 366 367 switch_to_blog( $id ); 368 $value = get_option( $option, $default ); 369 restore_current_blog(); 370 371 /** 372 * Filters a blog option value. 373 * 374 * The dynamic portion of the hook name, `$option`, refers to the blog option name. 375 * 376 * @since 3.5.0 377 * 378 * @param string $value The option value. 379 * @param int $id Blog ID. 380 */ 381 return apply_filters( "blog_option_{$option}", $value, $id ); 382 } 383 384 /** 385 * Add a new option for a given blog ID. 386 * 387 * You do not need to serialize values. If the value needs to be serialized, then 388 * it will be serialized before it is inserted into the database. Remember, 389 * resources can not be serialized or added as an option. 390 * 391 * You can create options without values and then update the values later. 392 * Existing options will not be updated and checks are performed to ensure that you 393 * aren't adding a protected WordPress option. Care should be taken to not name 394 * options the same as the ones which are protected. 395 * 396 * @since MU (3.0.0) 397 * 398 * @param int $id A blog ID. Can be null to refer to the current blog. 399 * @param string $option Name of option to add. Expected to not be SQL-escaped. 400 * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped. 401 * @return bool True if the option was added, false otherwise. 402 */ 403 function add_blog_option( $id, $option, $value ) { 404 $id = (int) $id; 405 406 if ( empty( $id ) ) { 407 $id = get_current_blog_id(); 408 } 409 410 if ( get_current_blog_id() == $id ) { 411 return add_option( $option, $value ); 412 } 413 414 switch_to_blog( $id ); 415 $return = add_option( $option, $value ); 416 restore_current_blog(); 417 418 return $return; 419 } 420 421 /** 422 * Removes option by name for a given blog ID. Prevents removal of protected WordPress options. 423 * 424 * @since MU (3.0.0) 425 * 426 * @param int $id A blog ID. Can be null to refer to the current blog. 427 * @param string $option Name of option to remove. Expected to not be SQL-escaped. 428 * @return bool True if the option was deleted, false otherwise. 429 */ 430 function delete_blog_option( $id, $option ) { 431 $id = (int) $id; 432 433 if ( empty( $id ) ) { 434 $id = get_current_blog_id(); 435 } 436 437 if ( get_current_blog_id() == $id ) { 438 return delete_option( $option ); 439 } 440 441 switch_to_blog( $id ); 442 $return = delete_option( $option ); 443 restore_current_blog(); 444 445 return $return; 446 } 447 448 /** 449 * Update an option for a particular blog. 450 * 451 * @since MU (3.0.0) 452 * 453 * @param int $id The blog ID. 454 * @param string $option The option key. 455 * @param mixed $value The option value. 456 * @param mixed $deprecated Not used. 457 * @return bool True if the value was updated, false otherwise. 458 */ 459 function update_blog_option( $id, $option, $value, $deprecated = null ) { 460 $id = (int) $id; 461 462 if ( null !== $deprecated ) { 463 _deprecated_argument( __FUNCTION__, '3.1.0' ); 464 } 465 466 if ( get_current_blog_id() == $id ) { 467 return update_option( $option, $value ); 468 } 469 470 switch_to_blog( $id ); 471 $return = update_option( $option, $value ); 472 restore_current_blog(); 473 474 return $return; 475 } 476 477 /** 478 * Switch the current blog. 479 * 480 * This function is useful if you need to pull posts, or other information, 481 * from other blogs. You can switch back afterwards using restore_current_blog(). 482 * 483 * Things that aren't switched: 484 * - plugins. See #14941 485 * 486 * @see restore_current_blog() 487 * @since MU (3.0.0) 488 * 489 * @global wpdb $wpdb WordPress database abstraction object. 490 * @global int $blog_id 491 * @global array $_wp_switched_stack 492 * @global bool $switched 493 * @global string $table_prefix 494 * @global WP_Object_Cache $wp_object_cache 495 * 496 * @param int $new_blog_id The ID of the blog to switch to. Default: current blog. 497 * @param bool $deprecated Not used. 498 * @return true Always returns true. 499 */ 500 function switch_to_blog( $new_blog_id, $deprecated = null ) { 501 global $wpdb; 502 503 $prev_blog_id = get_current_blog_id(); 504 if ( empty( $new_blog_id ) ) { 505 $new_blog_id = $prev_blog_id; 506 } 507 508 $GLOBALS['_wp_switched_stack'][] = $prev_blog_id; 509 510 /* 511 * If we're switching to the same blog id that we're on, 512 * set the right vars, do the associated actions, but skip 513 * the extra unnecessary work 514 */ 515 if ( $new_blog_id == $prev_blog_id ) { 516 /** 517 * Fires when the blog is switched. 518 * 519 * @since MU (3.0.0) 520 * @since 5.4.0 The `$context` parameter was added. 521 * 522 * @param int $new_blog_id New blog ID. 523 * @param int $prev_blog_id Previous blog ID. 524 * @param string $context Additional context. Accepts 'switch' when called from switch_to_blog() 525 * or 'restore' when called from restore_current_blog(). 526 */ 527 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'switch' ); 528 529 $GLOBALS['switched'] = true; 530 531 return true; 532 } 533 534 $wpdb->set_blog_id( $new_blog_id ); 535 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 536 $GLOBALS['blog_id'] = $new_blog_id; 537 538 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 539 wp_cache_switch_to_blog( $new_blog_id ); 540 } else { 541 global $wp_object_cache; 542 543 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 544 $global_groups = $wp_object_cache->global_groups; 545 } else { 546 $global_groups = false; 547 } 548 549 wp_cache_init(); 550 551 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 552 if ( is_array( $global_groups ) ) { 553 wp_cache_add_global_groups( $global_groups ); 554 } else { 555 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' ) ); 556 } 557 558 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); 559 } 560 } 561 562 /** This filter is documented in wp-includes/ms-blogs.php */ 563 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'switch' ); 564 565 $GLOBALS['switched'] = true; 566 567 return true; 568 } 569 570 /** 571 * Restore the current blog, after calling switch_to_blog(). 572 * 573 * @see switch_to_blog() 574 * @since MU (3.0.0) 575 * 576 * @global wpdb $wpdb WordPress database abstraction object. 577 * @global array $_wp_switched_stack 578 * @global int $blog_id 579 * @global bool $switched 580 * @global string $table_prefix 581 * @global WP_Object_Cache $wp_object_cache 582 * 583 * @return bool True on success, false if we're already on the current blog. 584 */ 585 function restore_current_blog() { 586 global $wpdb; 587 588 if ( empty( $GLOBALS['_wp_switched_stack'] ) ) { 589 return false; 590 } 591 592 $new_blog_id = array_pop( $GLOBALS['_wp_switched_stack'] ); 593 $prev_blog_id = get_current_blog_id(); 594 595 if ( $new_blog_id == $prev_blog_id ) { 596 /** This filter is documented in wp-includes/ms-blogs.php */ 597 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'restore' ); 598 599 // If we still have items in the switched stack, consider ourselves still 'switched'. 600 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 601 602 return true; 603 } 604 605 $wpdb->set_blog_id( $new_blog_id ); 606 $GLOBALS['blog_id'] = $new_blog_id; 607 $GLOBALS['table_prefix'] = $wpdb->get_blog_prefix(); 608 609 if ( function_exists( 'wp_cache_switch_to_blog' ) ) { 610 wp_cache_switch_to_blog( $new_blog_id ); 611 } else { 612 global $wp_object_cache; 613 614 if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) { 615 $global_groups = $wp_object_cache->global_groups; 616 } else { 617 $global_groups = false; 618 } 619 620 wp_cache_init(); 621 622 if ( function_exists( 'wp_cache_add_global_groups' ) ) { 623 if ( is_array( $global_groups ) ) { 624 wp_cache_add_global_groups( $global_groups ); 625 } else { 626 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' ) ); 627 } 628 629 wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); 630 } 631 } 632 633 /** This filter is documented in wp-includes/ms-blogs.php */ 634 do_action( 'switch_blog', $new_blog_id, $prev_blog_id, 'restore' ); 635 636 // If we still have items in the switched stack, consider ourselves still 'switched'. 637 $GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] ); 638 639 return true; 640 } 641 642 /** 643 * Switches the initialized roles and current user capabilities to another site. 644 * 645 * @since 4.9.0 646 * 647 * @param int $new_site_id New site ID. 648 * @param int $old_site_id Old site ID. 649 */ 650 function wp_switch_roles_and_user( $new_site_id, $old_site_id ) { 651 if ( $new_site_id == $old_site_id ) { 652 return; 653 } 654 655 if ( ! did_action( 'init' ) ) { 656 return; 657 } 658 659 wp_roles()->for_site( $new_site_id ); 660 wp_get_current_user()->for_site( $new_site_id ); 661 } 662 663 /** 664 * Determines if switch_to_blog() is in effect 665 * 666 * @since 3.5.0 667 * 668 * @global array $_wp_switched_stack 669 * 670 * @return bool True if switched, false otherwise. 671 */ 672 function ms_is_switched() { 673 return ! empty( $GLOBALS['_wp_switched_stack'] ); 674 } 675 676 /** 677 * Check if a particular blog is archived. 678 * 679 * @since MU (3.0.0) 680 * 681 * @param int $id Blog ID. 682 * @return string Whether the blog is archived or not. 683 */ 684 function is_archived( $id ) { 685 return get_blog_status( $id, 'archived' ); 686 } 687 688 /** 689 * Update the 'archived' status of a particular blog. 690 * 691 * @since MU (3.0.0) 692 * 693 * @param int $id Blog ID. 694 * @param string $archived The new status. 695 * @return string $archived 696 */ 697 function update_archived( $id, $archived ) { 698 update_blog_status( $id, 'archived', $archived ); 699 return $archived; 700 } 701 702 /** 703 * Update a blog details field. 704 * 705 * @since MU (3.0.0) 706 * @since 5.1.0 Use wp_update_site() internally. 707 * 708 * @global wpdb $wpdb WordPress database abstraction object. 709 * 710 * @param int $blog_id Blog ID. 711 * @param string $pref Field name. 712 * @param string $value Field value. 713 * @param null $deprecated Not used. 714 * @return string|false $value 715 */ 716 function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) { 717 global $wpdb; 718 719 if ( null !== $deprecated ) { 720 _deprecated_argument( __FUNCTION__, '3.1.0' ); 721 } 722 723 $allowed_field_names = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' ); 724 725 if ( ! in_array( $pref, $allowed_field_names, true ) ) { 726 return $value; 727 } 728 729 $result = wp_update_site( 730 $blog_id, 731 array( 732 $pref => $value, 733 ) 734 ); 735 736 if ( is_wp_error( $result ) ) { 737 return false; 738 } 739 740 return $value; 741 } 742 743 /** 744 * Get a blog details field. 745 * 746 * @since MU (3.0.0) 747 * 748 * @global wpdb $wpdb WordPress database abstraction object. 749 * 750 * @param int $id Blog ID. 751 * @param string $pref Field name. 752 * @return bool|string|null $value 753 */ 754 function get_blog_status( $id, $pref ) { 755 global $wpdb; 756 757 $details = get_site( $id ); 758 if ( $details ) { 759 return $details->$pref; 760 } 761 762 return $wpdb->get_var( $wpdb->prepare( "SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id ) ); 763 } 764 765 /** 766 * Get a list of most recently updated blogs. 767 * 768 * @since MU (3.0.0) 769 * 770 * @global wpdb $wpdb WordPress database abstraction object. 771 * 772 * @param mixed $deprecated Not used. 773 * @param int $start Optional. Number of blogs to offset the query. Used to build LIMIT clause. 774 * Can be used for pagination. Default 0. 775 * @param int $quantity Optional. The maximum number of blogs to retrieve. Default 40. 776 * @return array The list of blogs. 777 */ 778 function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) { 779 global $wpdb; 780 781 if ( ! empty( $deprecated ) ) { 782 _deprecated_argument( __FUNCTION__, 'MU' ); // Never used. 783 } 784 785 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 ); 786 } 787 788 /** 789 * Handler for updating the site's last updated date when a post is published or 790 * an already published post is changed. 791 * 792 * @since 3.3.0 793 * 794 * @param string $new_status The new post status. 795 * @param string $old_status The old post status. 796 * @param WP_Post $post Post object. 797 */ 798 function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) { 799 $post_type_obj = get_post_type_object( $post->post_type ); 800 if ( ! $post_type_obj || ! $post_type_obj->public ) { 801 return; 802 } 803 804 if ( 'publish' !== $new_status && 'publish' !== $old_status ) { 805 return; 806 } 807 808 // Post was freshly published, published post was saved, or published post was unpublished. 809 810 wpmu_update_blogs_date(); 811 } 812 813 /** 814 * Handler for updating the current site's last updated date when a published 815 * post is deleted. 816 * 817 * @since 3.4.0 818 * 819 * @param int $post_id Post ID 820 */ 821 function _update_blog_date_on_post_delete( $post_id ) { 822 $post = get_post( $post_id ); 823 824 $post_type_obj = get_post_type_object( $post->post_type ); 825 if ( ! $post_type_obj || ! $post_type_obj->public ) { 826 return; 827 } 828 829 if ( 'publish' !== $post->post_status ) { 830 return; 831 } 832 833 wpmu_update_blogs_date(); 834 } 835 836 /** 837 * Handler for updating the current site's posts count when a post is deleted. 838 * 839 * @since 4.0.0 840 * 841 * @param int $post_id Post ID. 842 */ 843 function _update_posts_count_on_delete( $post_id ) { 844 $post = get_post( $post_id ); 845 846 if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) { 847 return; 848 } 849 850 update_posts_count(); 851 } 852 853 /** 854 * Handler for updating the current site's posts count when a post status changes. 855 * 856 * @since 4.0.0 857 * @since 4.9.0 Added the `$post` parameter. 858 * 859 * @param string $new_status The status the post is changing to. 860 * @param string $old_status The status the post is changing from. 861 * @param WP_Post $post Post object 862 */ 863 function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) { 864 if ( $new_status === $old_status ) { 865 return; 866 } 867 868 if ( 'post' !== get_post_type( $post ) ) { 869 return; 870 } 871 872 if ( 'publish' !== $new_status && 'publish' !== $old_status ) { 873 return; 874 } 875 876 update_posts_count(); 877 } 878 879 /** 880 * Count number of sites grouped by site status. 881 * 882 * @since 5.3.0 883 * 884 * @param int $network_id Optional. The network to get counts for. Default is the current network ID. 885 * @return int[] { 886 * Numbers of sites grouped by site status. 887 * 888 * @type int $all The total number of sites. 889 * @type int $public The number of public sites. 890 * @type int $archived The number of archived sites. 891 * @type int $mature The number of mature sites. 892 * @type int $spam The number of spam sites. 893 * @type int $deleted The number of deleted sites. 894 * } 895 */ 896 function wp_count_sites( $network_id = null ) { 897 if ( empty( $network_id ) ) { 898 $network_id = get_current_network_id(); 899 } 900 901 $counts = array(); 902 $args = array( 903 'network_id' => $network_id, 904 'number' => 1, 905 'fields' => 'ids', 906 'no_found_rows' => false, 907 ); 908 909 $q = new WP_Site_Query( $args ); 910 $counts['all'] = $q->found_sites; 911 912 $_args = $args; 913 $statuses = array( 'public', 'archived', 'mature', 'spam', 'deleted' ); 914 915 foreach ( $statuses as $status ) { 916 $_args = $args; 917 $_args[ $status ] = 1; 918 919 $q = new WP_Site_Query( $_args ); 920 $counts[ $status ] = $q->found_sites; 921 } 922 923 return $counts; 924 }
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