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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * A simple set of functions to check the WordPress.org Version Update service. 4 * 5 * @package WordPress 6 * @since 2.3.0 7 */ 8 9 /** 10 * Checks WordPress version against the newest version. 11 * 12 * The WordPress version, PHP version, and locale is sent. 13 * 14 * Checks against the WordPress server at api.wordpress.org. Will only check 15 * if WordPress isn't installing. 16 * 17 * @since 2.3.0 18 * 19 * @global string $wp_version Used to check against the newest WordPress version. 20 * @global wpdb $wpdb WordPress database abstraction object. 21 * @global string $wp_local_package Locale code of the package. 22 * 23 * @param array $extra_stats Extra statistics to report to the WordPress.org API. 24 * @param bool $force_check Whether to bypass the transient cache and force a fresh update check. 25 * Defaults to false, true if $extra_stats is set. 26 */ 27 function wp_version_check( $extra_stats = array(), $force_check = false ) { 28 global $wpdb, $wp_local_package; 29 30 if ( wp_installing() ) { 31 return; 32 } 33 34 $php_version = PHP_VERSION; 35 36 $current = get_site_transient( 'update_core' ); 37 $translations = wp_get_installed_translations( 'core' ); 38 39 // Invalidate the transient when $wp_version changes. 40 if ( is_object( $current ) && wp_get_wp_version() !== $current->version_checked ) { 41 $current = false; 42 } 43 44 if ( ! is_object( $current ) ) { 45 $current = new stdClass(); 46 $current->updates = array(); 47 $current->version_checked = wp_get_wp_version(); 48 } 49 50 if ( ! empty( $extra_stats ) ) { 51 $force_check = true; 52 } 53 54 // Wait 1 minute between multiple version check requests. 55 $timeout = MINUTE_IN_SECONDS; 56 $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); 57 58 if ( ! $force_check && $time_not_changed ) { 59 return; 60 } 61 62 /** 63 * Filters the locale requested for WordPress core translations. 64 * 65 * @since 2.8.0 66 * 67 * @param string $locale Current locale. 68 */ 69 $locale = apply_filters( 'core_version_check_locale', get_locale() ); 70 71 // Update last_checked for current to prevent multiple blocking requests if request hangs. 72 $current->last_checked = time(); 73 set_site_transient( 'update_core', $current ); 74 75 if ( method_exists( $wpdb, 'db_server_info' ) ) { 76 $mysql_version = $wpdb->db_server_info(); 77 } elseif ( method_exists( $wpdb, 'db_version' ) ) { 78 $mysql_version = preg_replace( '/[^0-9.].*/', '', $wpdb->db_version() ); 79 } else { 80 $mysql_version = 'N/A'; 81 } 82 83 if ( is_multisite() ) { 84 $num_blogs = get_blog_count(); 85 $wp_install = network_site_url(); 86 $multisite_enabled = 1; 87 } else { 88 $multisite_enabled = 0; 89 $num_blogs = 1; 90 $wp_install = home_url( '/' ); 91 } 92 93 $extensions = get_loaded_extensions(); 94 sort( $extensions, SORT_STRING | SORT_FLAG_CASE ); 95 $query = array( 96 'version' => wp_get_wp_version(), 97 'php' => $php_version, 98 'locale' => $locale, 99 'mysql' => $mysql_version, 100 'local_package' => isset( $wp_local_package ) ? $wp_local_package : '', 101 'blogs' => $num_blogs, 102 'users' => get_user_count(), 103 'multisite_enabled' => $multisite_enabled, 104 'initial_db_version' => get_site_option( 'initial_db_version' ), 105 'extensions' => array_combine( $extensions, array_map( 'phpversion', $extensions ) ), 106 'platform_flags' => array( 107 'os' => PHP_OS, 108 'bits' => PHP_INT_SIZE === 4 ? 32 : 64, 109 ), 110 'image_support' => array(), 111 ); 112 113 if ( function_exists( 'gd_info' ) ) { 114 $gd_info = gd_info(); 115 // Filter to supported values. 116 $gd_info = array_filter( $gd_info ); 117 118 // Add data for GD WebP, AVIF, HEIC and JPEG XL support. 119 $query['image_support']['gd'] = array_keys( 120 array_filter( 121 array( 122 'webp' => isset( $gd_info['WebP Support'] ), 123 'avif' => isset( $gd_info['AVIF Support'] ), 124 'heic' => isset( $gd_info['HEIC Support'] ), 125 'jxl' => isset( $gd_info['JXL Support'] ), 126 ) 127 ) 128 ); 129 } 130 131 if ( class_exists( 'Imagick' ) ) { 132 // Add data for Imagick WebP, AVIF, HEIC and JPEG XL support. 133 $query['image_support']['imagick'] = array_keys( 134 array_filter( 135 array( 136 'webp' => ! empty( Imagick::queryFormats( 'WEBP' ) ), 137 'avif' => ! empty( Imagick::queryFormats( 'AVIF' ) ), 138 'heic' => ! empty( Imagick::queryFormats( 'HEIC' ) ), 139 'jxl' => ! empty( Imagick::queryFormats( 'JXL' ) ), 140 ) 141 ) 142 ); 143 } 144 145 /** 146 * Filters the query arguments sent as part of the core version check. 147 * 148 * WARNING: Changing this data may result in your site not receiving security updates. 149 * Please exercise extreme caution. 150 * 151 * @since 4.9.0 152 * 153 * @param array $query { 154 * Version check query arguments. 155 * 156 * @type string $version WordPress version number. 157 * @type string $php PHP version number. 158 * @type string $locale The locale to retrieve updates for. 159 * @type string $mysql MySQL version number. 160 * @type string $local_package The value of the $wp_local_package global, when set. 161 * @type int $blogs Number of sites on this WordPress installation. 162 * @type int $users Number of users on this WordPress installation. 163 * @type int $multisite_enabled Whether this WordPress installation uses Multisite. 164 * @type int $initial_db_version Database version of WordPress at time of installation. 165 * } 166 */ 167 $query = apply_filters( 'core_version_check_query_args', $query ); 168 169 $post_body = array( 170 'translations' => wp_json_encode( $translations ), 171 ); 172 173 if ( is_array( $extra_stats ) ) { 174 $post_body = array_merge( $post_body, $extra_stats ); 175 } 176 177 // Allow for WP_AUTO_UPDATE_CORE to specify beta/RC/development releases. 178 if ( defined( 'WP_AUTO_UPDATE_CORE' ) 179 && in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true ) 180 ) { 181 $query['channel'] = WP_AUTO_UPDATE_CORE; 182 } 183 184 $url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, '', '&' ); 185 $http_url = $url; 186 $ssl = wp_http_supports( array( 'ssl' ) ); 187 188 if ( $ssl ) { 189 $url = set_url_scheme( $url, 'https' ); 190 } 191 192 $doing_cron = wp_doing_cron(); 193 194 $options = array( 195 'timeout' => $doing_cron ? 30 : 3, 196 'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ), 197 'headers' => array( 198 'wp_install' => $wp_install, 199 'wp_blog' => home_url( '/' ), 200 ), 201 'body' => $post_body, 202 ); 203 204 $response = wp_remote_post( $url, $options ); 205 206 if ( $ssl && is_wp_error( $response ) ) { 207 wp_trigger_error( 208 __FUNCTION__, 209 sprintf( 210 /* translators: %s: Support forums URL. */ 211 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 212 __( 'https://wordpress.org/support/forums/' ) 213 ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), 214 headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE 215 ); 216 $response = wp_remote_post( $http_url, $options ); 217 } 218 219 if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { 220 return; 221 } 222 223 $body = trim( wp_remote_retrieve_body( $response ) ); 224 $body = json_decode( $body, true ); 225 226 if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) { 227 return; 228 } 229 230 $offers = $body['offers']; 231 232 foreach ( $offers as &$offer ) { 233 foreach ( $offer as $offer_key => $value ) { 234 if ( 'packages' === $offer_key ) { 235 $offer['packages'] = (object) array_intersect_key( 236 array_map( 'esc_url', $offer['packages'] ), 237 array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' ) 238 ); 239 } elseif ( 'download' === $offer_key ) { 240 $offer['download'] = esc_url( $value ); 241 } else { 242 $offer[ $offer_key ] = esc_html( $value ); 243 } 244 } 245 $offer = (object) array_intersect_key( 246 $offer, 247 array_fill_keys( 248 array( 249 'response', 250 'download', 251 'locale', 252 'packages', 253 'current', 254 'version', 255 'php_version', 256 'mysql_version', 257 'new_bundled', 258 'partial_version', 259 'notify_email', 260 'support_email', 261 'new_files', 262 ), 263 '' 264 ) 265 ); 266 } 267 268 $updates = new stdClass(); 269 $updates->updates = $offers; 270 $updates->last_checked = time(); 271 $updates->version_checked = wp_get_wp_version(); 272 273 if ( isset( $body['translations'] ) ) { 274 $updates->translations = $body['translations']; 275 } 276 277 set_site_transient( 'update_core', $updates ); 278 279 if ( ! empty( $body['ttl'] ) ) { 280 $ttl = (int) $body['ttl']; 281 282 if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) { 283 // Queue an event to re-run the update check in $ttl seconds. 284 wp_schedule_single_event( time() + $ttl, 'wp_version_check' ); 285 } 286 } 287 288 // Trigger background updates if running non-interactively, and we weren't called from the update handler. 289 if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) { 290 /** 291 * Fires during wp_cron, starting the auto-update process. 292 * 293 * @since 3.9.0 294 */ 295 do_action( 'wp_maybe_auto_update' ); 296 } 297 } 298 299 /** 300 * Checks for available updates to plugins based on the latest versions hosted on WordPress.org. 301 * 302 * Despite its name this function does not actually perform any updates, it only checks for available updates. 303 * 304 * A list of all plugins installed is sent to WP, along with the site locale. 305 * 306 * Checks against the WordPress server at api.wordpress.org. Will only check 307 * if WordPress isn't installing. 308 * 309 * @since 2.3.0 310 * 311 * @global string $wp_version The WordPress version string. 312 * 313 * @param array $extra_stats Extra statistics to report to the WordPress.org API. 314 */ 315 function wp_update_plugins( $extra_stats = array() ) { 316 if ( wp_installing() ) { 317 return; 318 } 319 320 // If running blog-side, bail unless we've not checked in the last 12 hours. 321 if ( ! function_exists( 'get_plugins' ) ) { 322 require_once ABSPATH . 'wp-admin/includes/plugin.php'; 323 } 324 325 $plugins = get_plugins(); 326 $translations = wp_get_installed_translations( 'plugins' ); 327 328 $active = get_option( 'active_plugins', array() ); 329 $current = get_site_transient( 'update_plugins' ); 330 331 if ( ! is_object( $current ) ) { 332 $current = new stdClass(); 333 } 334 335 $updates = new stdClass(); 336 $updates->last_checked = time(); 337 $updates->response = array(); 338 $updates->translations = array(); 339 $updates->no_update = array(); 340 341 $doing_cron = wp_doing_cron(); 342 343 // Check for update on a different schedule, depending on the page. 344 switch ( current_filter() ) { 345 case 'upgrader_process_complete': 346 $timeout = 0; 347 break; 348 case 'load-update-core.php': 349 $timeout = MINUTE_IN_SECONDS; 350 break; 351 case 'load-plugins.php': 352 case 'load-update.php': 353 $timeout = HOUR_IN_SECONDS; 354 break; 355 default: 356 if ( $doing_cron ) { 357 $timeout = 2 * HOUR_IN_SECONDS; 358 } else { 359 $timeout = 12 * HOUR_IN_SECONDS; 360 } 361 } 362 363 $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); 364 365 if ( $time_not_changed && ! $extra_stats ) { 366 $plugin_changed = false; 367 368 foreach ( $plugins as $file => $p ) { 369 $updates->checked[ $file ] = $p['Version']; 370 371 if ( ! isset( $current->checked[ $file ] ) || (string) $current->checked[ $file ] !== (string) $p['Version'] ) { 372 $plugin_changed = true; 373 } 374 } 375 376 if ( isset( $current->response ) && is_array( $current->response ) ) { 377 foreach ( $current->response as $plugin_file => $update_details ) { 378 if ( ! isset( $plugins[ $plugin_file ] ) ) { 379 $plugin_changed = true; 380 break; 381 } 382 } 383 } 384 385 // Bail if we've checked recently and if nothing has changed. 386 if ( ! $plugin_changed ) { 387 return; 388 } 389 } 390 391 // Update last_checked for current to prevent multiple blocking requests if request hangs. 392 $current->last_checked = time(); 393 set_site_transient( 'update_plugins', $current ); 394 395 $to_send = compact( 'plugins', 'active' ); 396 397 $locales = array_values( get_available_languages() ); 398 399 /** 400 * Filters the locales requested for plugin translations. 401 * 402 * @since 3.7.0 403 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales. 404 * 405 * @param string[] $locales Plugin locales. Default is all available locales of the site. 406 */ 407 $locales = apply_filters( 'plugins_update_check_locales', $locales ); 408 $locales = array_unique( $locales ); 409 410 if ( $doing_cron ) { 411 $timeout = 30; // 30 seconds. 412 } else { 413 // Three seconds, plus one extra second for every 10 plugins. 414 $timeout = 3 + (int) ( count( $plugins ) / 10 ); 415 } 416 417 $options = array( 418 'timeout' => $timeout, 419 'body' => array( 420 'plugins' => wp_json_encode( $to_send ), 421 'translations' => wp_json_encode( $translations ), 422 'locale' => wp_json_encode( $locales ), 423 'all' => wp_json_encode( true ), 424 ), 425 'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ), 426 ); 427 428 if ( $extra_stats ) { 429 $options['body']['update_stats'] = wp_json_encode( $extra_stats ); 430 } 431 432 $url = 'http://api.wordpress.org/plugins/update-check/1.1/'; 433 $http_url = $url; 434 $ssl = wp_http_supports( array( 'ssl' ) ); 435 436 if ( $ssl ) { 437 $url = set_url_scheme( $url, 'https' ); 438 } 439 440 $raw_response = wp_remote_post( $url, $options ); 441 442 if ( $ssl && is_wp_error( $raw_response ) ) { 443 wp_trigger_error( 444 __FUNCTION__, 445 sprintf( 446 /* translators: %s: Support forums URL. */ 447 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 448 __( 'https://wordpress.org/support/forums/' ) 449 ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), 450 headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE 451 ); 452 $raw_response = wp_remote_post( $http_url, $options ); 453 } 454 455 if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) { 456 return; 457 } 458 459 $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); 460 461 if ( $response && is_array( $response ) ) { 462 $updates->response = $response['plugins']; 463 $updates->translations = $response['translations']; 464 $updates->no_update = $response['no_update']; 465 } 466 467 // Support updates for any plugins using the `Update URI` header field. 468 foreach ( $plugins as $plugin_file => $plugin_data ) { 469 if ( ! $plugin_data['UpdateURI'] || isset( $updates->response[ $plugin_file ] ) ) { 470 continue; 471 } 472 473 $hostname = wp_parse_url( sanitize_url( $plugin_data['UpdateURI'] ), PHP_URL_HOST ); 474 475 /** 476 * Filters the update response for a given plugin hostname. 477 * 478 * The dynamic portion of the hook name, `$hostname`, refers to the hostname 479 * of the URI specified in the `Update URI` header field. 480 * 481 * @since 5.8.0 482 * 483 * @param array|false $update { 484 * The plugin update data with the latest details. Default false. 485 * 486 * @type string $id Optional. ID of the plugin for update purposes, should be a URI 487 * specified in the `Update URI` header field. 488 * @type string $slug Slug of the plugin. 489 * @type string $version The version of the plugin. 490 * @type string $url The URL for details of the plugin. 491 * @type string $package Optional. The update ZIP for the plugin. 492 * @type string $tested Optional. The version of WordPress the plugin is tested against. 493 * @type string $requires_php Optional. The version of PHP which the plugin requires. 494 * @type bool $autoupdate Optional. Whether the plugin should automatically update. 495 * @type array $icons Optional. Array of plugin icons. 496 * @type array $banners Optional. Array of plugin banners. 497 * @type array $banners_rtl Optional. Array of plugin RTL banners. 498 * @type array $translations { 499 * Optional. List of translation updates for the plugin. 500 * 501 * @type string $language The language the translation update is for. 502 * @type string $version The version of the plugin this translation is for. 503 * This is not the version of the language file. 504 * @type string $updated The update timestamp of the translation file. 505 * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. 506 * @type string $package The ZIP location containing the translation update. 507 * @type string $autoupdate Whether the translation should be automatically installed. 508 * } 509 * } 510 * @param array $plugin_data Plugin headers. 511 * @param string $plugin_file Plugin filename. 512 * @param string[] $locales Installed locales to look up translations for. 513 */ 514 $update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales ); 515 516 if ( ! $update ) { 517 continue; 518 } 519 520 $update = (object) $update; 521 522 // Is it valid? We require at least a version. 523 if ( ! isset( $update->version ) ) { 524 continue; 525 } 526 527 // These should remain constant. 528 $update->id = $plugin_data['UpdateURI']; 529 $update->plugin = $plugin_file; 530 531 // WordPress needs the version field specified as 'new_version'. 532 if ( ! isset( $update->new_version ) ) { 533 $update->new_version = $update->version; 534 } 535 536 // Handle any translation updates. 537 if ( ! empty( $update->translations ) ) { 538 foreach ( $update->translations as $translation ) { 539 if ( isset( $translation['language'], $translation['package'] ) ) { 540 $translation['type'] = 'plugin'; 541 $translation['slug'] = isset( $update->slug ) ? $update->slug : $update->id; 542 543 $updates->translations[] = $translation; 544 } 545 } 546 } 547 548 unset( $updates->no_update[ $plugin_file ], $updates->response[ $plugin_file ] ); 549 550 if ( version_compare( $update->new_version, $plugin_data['Version'], '>' ) ) { 551 $updates->response[ $plugin_file ] = $update; 552 } else { 553 $updates->no_update[ $plugin_file ] = $update; 554 } 555 } 556 557 $sanitize_plugin_update_payload = static function ( &$item ) { 558 $item = (object) $item; 559 560 unset( $item->translations, $item->compatibility ); 561 562 return $item; 563 }; 564 565 array_walk( $updates->response, $sanitize_plugin_update_payload ); 566 array_walk( $updates->no_update, $sanitize_plugin_update_payload ); 567 568 set_site_transient( 'update_plugins', $updates ); 569 } 570 571 /** 572 * Checks for available updates to themes based on the latest versions hosted on WordPress.org. 573 * 574 * Despite its name this function does not actually perform any updates, it only checks for available updates. 575 * 576 * A list of all themes installed is sent to WP, along with the site locale. 577 * 578 * Checks against the WordPress server at api.wordpress.org. Will only check 579 * if WordPress isn't installing. 580 * 581 * @since 2.7.0 582 * 583 * @global string $wp_version The WordPress version string. 584 * 585 * @param array $extra_stats Extra statistics to report to the WordPress.org API. 586 */ 587 function wp_update_themes( $extra_stats = array() ) { 588 if ( wp_installing() ) { 589 return; 590 } 591 592 $installed_themes = wp_get_themes(); 593 $translations = wp_get_installed_translations( 'themes' ); 594 595 $last_update = get_site_transient( 'update_themes' ); 596 597 if ( ! is_object( $last_update ) ) { 598 $last_update = new stdClass(); 599 } 600 601 $themes = array(); 602 $checked = array(); 603 $request = array(); 604 605 // Put slug of active theme into request. 606 $request['active'] = get_option( 'stylesheet' ); 607 608 foreach ( $installed_themes as $theme ) { 609 $checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' ); 610 611 $themes[ $theme->get_stylesheet() ] = array( 612 'Name' => $theme->get( 'Name' ), 613 'Title' => $theme->get( 'Name' ), 614 'Version' => $theme->get( 'Version' ), 615 'Author' => $theme->get( 'Author' ), 616 'Author URI' => $theme->get( 'AuthorURI' ), 617 'UpdateURI' => $theme->get( 'UpdateURI' ), 618 'Template' => $theme->get_template(), 619 'Stylesheet' => $theme->get_stylesheet(), 620 ); 621 } 622 623 $doing_cron = wp_doing_cron(); 624 625 // Check for update on a different schedule, depending on the page. 626 switch ( current_filter() ) { 627 case 'upgrader_process_complete': 628 $timeout = 0; 629 break; 630 case 'load-update-core.php': 631 $timeout = MINUTE_IN_SECONDS; 632 break; 633 case 'load-themes.php': 634 case 'load-update.php': 635 $timeout = HOUR_IN_SECONDS; 636 break; 637 default: 638 if ( $doing_cron ) { 639 $timeout = 2 * HOUR_IN_SECONDS; 640 } else { 641 $timeout = 12 * HOUR_IN_SECONDS; 642 } 643 } 644 645 $time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked ); 646 647 if ( $time_not_changed && ! $extra_stats ) { 648 $theme_changed = false; 649 650 foreach ( $checked as $slug => $v ) { 651 if ( ! isset( $last_update->checked[ $slug ] ) || (string) $last_update->checked[ $slug ] !== (string) $v ) { 652 $theme_changed = true; 653 } 654 } 655 656 if ( isset( $last_update->response ) && is_array( $last_update->response ) ) { 657 foreach ( $last_update->response as $slug => $update_details ) { 658 if ( ! isset( $checked[ $slug ] ) ) { 659 $theme_changed = true; 660 break; 661 } 662 } 663 } 664 665 // Bail if we've checked recently and if nothing has changed. 666 if ( ! $theme_changed ) { 667 return; 668 } 669 } 670 671 // Update last_checked for current to prevent multiple blocking requests if request hangs. 672 $last_update->last_checked = time(); 673 set_site_transient( 'update_themes', $last_update ); 674 675 $request['themes'] = $themes; 676 677 $locales = array_values( get_available_languages() ); 678 679 /** 680 * Filters the locales requested for theme translations. 681 * 682 * @since 3.7.0 683 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales. 684 * 685 * @param string[] $locales Theme locales. Default is all available locales of the site. 686 */ 687 $locales = apply_filters( 'themes_update_check_locales', $locales ); 688 $locales = array_unique( $locales ); 689 690 if ( $doing_cron ) { 691 $timeout = 30; // 30 seconds. 692 } else { 693 // Three seconds, plus one extra second for every 10 themes. 694 $timeout = 3 + (int) ( count( $themes ) / 10 ); 695 } 696 697 $options = array( 698 'timeout' => $timeout, 699 'body' => array( 700 'themes' => wp_json_encode( $request ), 701 'translations' => wp_json_encode( $translations ), 702 'locale' => wp_json_encode( $locales ), 703 ), 704 'user-agent' => 'WordPress/' . wp_get_wp_version() . '; ' . home_url( '/' ), 705 ); 706 707 if ( $extra_stats ) { 708 $options['body']['update_stats'] = wp_json_encode( $extra_stats ); 709 } 710 711 $url = 'http://api.wordpress.org/themes/update-check/1.1/'; 712 $http_url = $url; 713 $ssl = wp_http_supports( array( 'ssl' ) ); 714 715 if ( $ssl ) { 716 $url = set_url_scheme( $url, 'https' ); 717 } 718 719 $raw_response = wp_remote_post( $url, $options ); 720 721 if ( $ssl && is_wp_error( $raw_response ) ) { 722 wp_trigger_error( 723 __FUNCTION__, 724 sprintf( 725 /* translators: %s: Support forums URL. */ 726 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 727 __( 'https://wordpress.org/support/forums/' ) 728 ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), 729 headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE 730 ); 731 $raw_response = wp_remote_post( $http_url, $options ); 732 } 733 734 if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) { 735 return; 736 } 737 738 $new_update = new stdClass(); 739 $new_update->last_checked = time(); 740 $new_update->checked = $checked; 741 742 $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); 743 744 if ( is_array( $response ) ) { 745 $new_update->response = $response['themes']; 746 $new_update->no_update = $response['no_update']; 747 $new_update->translations = $response['translations']; 748 } 749 750 // Support updates for any themes using the `Update URI` header field. 751 foreach ( $themes as $theme_stylesheet => $theme_data ) { 752 if ( ! $theme_data['UpdateURI'] || isset( $new_update->response[ $theme_stylesheet ] ) ) { 753 continue; 754 } 755 756 $hostname = wp_parse_url( sanitize_url( $theme_data['UpdateURI'] ), PHP_URL_HOST ); 757 758 /** 759 * Filters the update response for a given theme hostname. 760 * 761 * The dynamic portion of the hook name, `$hostname`, refers to the hostname 762 * of the URI specified in the `Update URI` header field. 763 * 764 * @since 6.1.0 765 * 766 * @param array|false $update { 767 * The theme update data with the latest details. Default false. 768 * 769 * @type string $id Optional. ID of the theme for update purposes, should be a URI 770 * specified in the `Update URI` header field. 771 * @type string $theme Directory name of the theme. 772 * @type string $version The version of the theme. 773 * @type string $url The URL for details of the theme. 774 * @type string $package Optional. The update ZIP for the theme. 775 * @type string $tested Optional. The version of WordPress the theme is tested against. 776 * @type string $requires_php Optional. The version of PHP which the theme requires. 777 * @type bool $autoupdate Optional. Whether the theme should automatically update. 778 * @type array $translations { 779 * Optional. List of translation updates for the theme. 780 * 781 * @type string $language The language the translation update is for. 782 * @type string $version The version of the theme this translation is for. 783 * This is not the version of the language file. 784 * @type string $updated The update timestamp of the translation file. 785 * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. 786 * @type string $package The ZIP location containing the translation update. 787 * @type string $autoupdate Whether the translation should be automatically installed. 788 * } 789 * } 790 * @param array $theme_data Theme headers. 791 * @param string $theme_stylesheet Theme stylesheet. 792 * @param string[] $locales Installed locales to look up translations for. 793 */ 794 $update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales ); 795 796 if ( ! $update ) { 797 continue; 798 } 799 800 $update = (object) $update; 801 802 // Is it valid? We require at least a version. 803 if ( ! isset( $update->version ) ) { 804 continue; 805 } 806 807 // This should remain constant. 808 $update->id = $theme_data['UpdateURI']; 809 810 // WordPress needs the version field specified as 'new_version'. 811 if ( ! isset( $update->new_version ) ) { 812 $update->new_version = $update->version; 813 } 814 815 // Handle any translation updates. 816 if ( ! empty( $update->translations ) ) { 817 foreach ( $update->translations as $translation ) { 818 if ( isset( $translation['language'], $translation['package'] ) ) { 819 $translation['type'] = 'theme'; 820 $translation['slug'] = isset( $update->theme ) ? $update->theme : $update->id; 821 822 $new_update->translations[] = $translation; 823 } 824 } 825 } 826 827 unset( $new_update->no_update[ $theme_stylesheet ], $new_update->response[ $theme_stylesheet ] ); 828 829 if ( version_compare( $update->new_version, $theme_data['Version'], '>' ) ) { 830 $new_update->response[ $theme_stylesheet ] = (array) $update; 831 } else { 832 $new_update->no_update[ $theme_stylesheet ] = (array) $update; 833 } 834 } 835 836 set_site_transient( 'update_themes', $new_update ); 837 } 838 839 /** 840 * Performs WordPress automatic background updates. 841 * 842 * Updates WordPress core plus any plugins and themes that have automatic updates enabled. 843 * 844 * @since 3.7.0 845 */ 846 function wp_maybe_auto_update() { 847 require_once ABSPATH . 'wp-admin/includes/admin.php'; 848 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; 849 850 $upgrader = new WP_Automatic_Updater(); 851 $upgrader->run(); 852 } 853 854 /** 855 * Retrieves a list of all language updates available. 856 * 857 * @since 3.7.0 858 * 859 * @return object[] Array of translation objects that have available updates. 860 */ 861 function wp_get_translation_updates() { 862 $updates = array(); 863 $transients = array( 864 'update_core' => 'core', 865 'update_plugins' => 'plugin', 866 'update_themes' => 'theme', 867 ); 868 869 foreach ( $transients as $transient => $type ) { 870 $transient = get_site_transient( $transient ); 871 872 if ( empty( $transient->translations ) ) { 873 continue; 874 } 875 876 foreach ( $transient->translations as $translation ) { 877 $updates[] = (object) $translation; 878 } 879 } 880 881 return $updates; 882 } 883 884 /** 885 * Collects counts and UI strings for available updates. 886 * 887 * @since 3.3.0 888 * 889 * @return array 890 */ 891 function wp_get_update_data() { 892 $counts = array( 893 'plugins' => 0, 894 'themes' => 0, 895 'wordpress' => 0, 896 'translations' => 0, 897 ); 898 899 $plugins = current_user_can( 'update_plugins' ); 900 901 if ( $plugins ) { 902 $update_plugins = get_site_transient( 'update_plugins' ); 903 904 if ( ! empty( $update_plugins->response ) ) { 905 $counts['plugins'] = count( $update_plugins->response ); 906 } 907 } 908 909 $themes = current_user_can( 'update_themes' ); 910 911 if ( $themes ) { 912 $update_themes = get_site_transient( 'update_themes' ); 913 914 if ( ! empty( $update_themes->response ) ) { 915 $counts['themes'] = count( $update_themes->response ); 916 } 917 } 918 919 $core = current_user_can( 'update_core' ); 920 921 if ( $core && function_exists( 'get_core_updates' ) ) { 922 $update_wordpress = get_core_updates( array( 'dismissed' => false ) ); 923 924 if ( ! empty( $update_wordpress ) 925 && ! in_array( $update_wordpress[0]->response, array( 'development', 'latest' ), true ) 926 && current_user_can( 'update_core' ) 927 ) { 928 $counts['wordpress'] = 1; 929 } 930 } 931 932 if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() ) { 933 $counts['translations'] = 1; 934 } 935 936 $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations']; 937 $titles = array(); 938 939 if ( $counts['wordpress'] ) { 940 /* translators: %d: Number of available WordPress updates. */ 941 $titles['wordpress'] = sprintf( __( '%d WordPress Update' ), $counts['wordpress'] ); 942 } 943 944 if ( $counts['plugins'] ) { 945 /* translators: %d: Number of available plugin updates. */ 946 $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] ); 947 } 948 949 if ( $counts['themes'] ) { 950 /* translators: %d: Number of available theme updates. */ 951 $titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] ); 952 } 953 954 if ( $counts['translations'] ) { 955 $titles['translations'] = __( 'Translation Updates' ); 956 } 957 958 $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : ''; 959 960 $update_data = array( 961 'counts' => $counts, 962 'title' => $update_title, 963 ); 964 /** 965 * Filters the returned array of update data for plugins, themes, and WordPress core. 966 * 967 * @since 3.5.0 968 * 969 * @param array $update_data { 970 * Fetched update data. 971 * 972 * @type array $counts An array of counts for available plugin, theme, and WordPress updates. 973 * @type string $update_title Titles of available updates. 974 * } 975 * @param array $titles An array of update counts and UI strings for available updates. 976 */ 977 return apply_filters( 'wp_get_update_data', $update_data, $titles ); 978 } 979 980 /** 981 * Determines whether core should be updated. 982 * 983 * @since 2.8.0 984 * 985 * @global string $wp_version The WordPress version string. 986 */ 987 function _maybe_update_core() { 988 $current = get_site_transient( 'update_core' ); 989 990 if ( isset( $current->last_checked, $current->version_checked ) 991 && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) 992 && wp_get_wp_version() === $current->version_checked 993 ) { 994 return; 995 } 996 997 wp_version_check(); 998 } 999 /** 1000 * Checks the last time plugins were run before checking plugin versions. 1001 * 1002 * This might have been backported to WordPress 2.6.1 for performance reasons. 1003 * This is used for the wp-admin to check only so often instead of every page 1004 * load. 1005 * 1006 * @since 2.7.0 1007 * @access private 1008 */ 1009 function _maybe_update_plugins() { 1010 $current = get_site_transient( 'update_plugins' ); 1011 1012 if ( isset( $current->last_checked ) 1013 && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) 1014 ) { 1015 return; 1016 } 1017 1018 wp_update_plugins(); 1019 } 1020 1021 /** 1022 * Checks themes versions only after a duration of time. 1023 * 1024 * This is for performance reasons to make sure that on the theme version 1025 * checker is not run on every page load. 1026 * 1027 * @since 2.7.0 1028 * @access private 1029 */ 1030 function _maybe_update_themes() { 1031 $current = get_site_transient( 'update_themes' ); 1032 1033 if ( isset( $current->last_checked ) 1034 && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) 1035 ) { 1036 return; 1037 } 1038 1039 wp_update_themes(); 1040 } 1041 1042 /** 1043 * Schedules core, theme, and plugin update checks. 1044 * 1045 * @since 3.1.0 1046 */ 1047 function wp_schedule_update_checks() { 1048 if ( ! wp_next_scheduled( 'wp_version_check' ) && ! wp_installing() ) { 1049 wp_schedule_event( time(), 'twicedaily', 'wp_version_check' ); 1050 } 1051 1052 if ( ! wp_next_scheduled( 'wp_update_plugins' ) && ! wp_installing() ) { 1053 wp_schedule_event( time(), 'twicedaily', 'wp_update_plugins' ); 1054 } 1055 1056 if ( ! wp_next_scheduled( 'wp_update_themes' ) && ! wp_installing() ) { 1057 wp_schedule_event( time(), 'twicedaily', 'wp_update_themes' ); 1058 } 1059 } 1060 1061 /** 1062 * Clears existing update caches for plugins, themes, and core. 1063 * 1064 * @since 4.1.0 1065 */ 1066 function wp_clean_update_cache() { 1067 if ( function_exists( 'wp_clean_plugins_cache' ) ) { 1068 wp_clean_plugins_cache(); 1069 } else { 1070 delete_site_transient( 'update_plugins' ); 1071 } 1072 1073 wp_clean_themes_cache(); 1074 1075 delete_site_transient( 'update_core' ); 1076 } 1077 1078 /** 1079 * Schedules the removal of all contents in the temporary backup directory. 1080 * 1081 * @since 6.3.0 1082 */ 1083 function wp_delete_all_temp_backups() { 1084 /* 1085 * Check if there is a lock, or if currently performing an Ajax request, 1086 * in which case there is a chance an update is running. 1087 * Reschedule for an hour from now and exit early. 1088 */ 1089 if ( get_option( 'core_updater.lock' ) || get_option( 'auto_updater.lock' ) || wp_doing_ajax() ) { 1090 wp_schedule_single_event( time() + HOUR_IN_SECONDS, 'wp_delete_temp_updater_backups' ); 1091 return; 1092 } 1093 1094 // This action runs on shutdown to make sure there are no plugin updates currently running. 1095 add_action( 'shutdown', '_wp_delete_all_temp_backups' ); 1096 } 1097 1098 /** 1099 * Deletes all contents in the temporary backup directory. 1100 * 1101 * @since 6.3.0 1102 * 1103 * @access private 1104 * 1105 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 1106 */ 1107 function _wp_delete_all_temp_backups() { 1108 global $wp_filesystem; 1109 1110 if ( ! function_exists( 'WP_Filesystem' ) ) { 1111 require_once ABSPATH . '/wp-admin/includes/file.php'; 1112 } 1113 1114 ob_start(); 1115 $credentials = request_filesystem_credentials( '' ); 1116 ob_end_clean(); 1117 1118 if ( false === $credentials || ! WP_Filesystem( $credentials ) ) { 1119 wp_trigger_error( __FUNCTION__, __( 'Could not access filesystem.' ) ); 1120 return; 1121 } 1122 1123 if ( ! $wp_filesystem->wp_content_dir() ) { 1124 wp_trigger_error( 1125 __FUNCTION__, 1126 /* translators: %s: Directory name. */ 1127 sprintf( __( 'Unable to locate WordPress content directory (%s).' ), 'wp-content' ) 1128 ); 1129 return; 1130 } 1131 1132 $temp_backup_dir = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/'; 1133 $dirlist = $wp_filesystem->dirlist( $temp_backup_dir ); 1134 $dirlist = $dirlist ? $dirlist : array(); 1135 1136 foreach ( array_keys( $dirlist ) as $dir ) { 1137 if ( '.' === $dir || '..' === $dir ) { 1138 continue; 1139 } 1140 1141 $wp_filesystem->delete( $temp_backup_dir . $dir, true ); 1142 } 1143 } 1144 1145 if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) { 1146 return; 1147 } 1148 1149 add_action( 'admin_init', '_maybe_update_core' ); 1150 add_action( 'wp_version_check', 'wp_version_check' ); 1151 1152 add_action( 'load-plugins.php', 'wp_update_plugins' ); 1153 add_action( 'load-update.php', 'wp_update_plugins' ); 1154 add_action( 'load-update-core.php', 'wp_update_plugins' ); 1155 add_action( 'admin_init', '_maybe_update_plugins' ); 1156 add_action( 'wp_update_plugins', 'wp_update_plugins' ); 1157 1158 add_action( 'load-themes.php', 'wp_update_themes' ); 1159 add_action( 'load-update.php', 'wp_update_themes' ); 1160 add_action( 'load-update-core.php', 'wp_update_themes' ); 1161 add_action( 'admin_init', '_maybe_update_themes' ); 1162 add_action( 'wp_update_themes', 'wp_update_themes' ); 1163 1164 add_action( 'update_option_WPLANG', 'wp_clean_update_cache', 10, 0 ); 1165 1166 add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' ); 1167 1168 add_action( 'init', 'wp_schedule_update_checks' ); 1169 1170 add_action( 'wp_delete_temp_updater_backups', 'wp_delete_all_temp_backups' );
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| Generated : Thu Oct 24 08:20:01 2024 | Cross-referenced by PHPXref |