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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * Class for looking up a site's health based on a user's WordPress environment. 4 * 5 * @package WordPress 6 * @subpackage Site_Health 7 * @since 5.2.0 8 */ 9 10 class WP_Site_Health { 11 private $mysql_min_version_check; 12 private $mysql_rec_version_check; 13 14 public $is_mariadb = false; 15 private $mysql_server_version = ''; 16 private $health_check_mysql_required_version = '5.5'; 17 private $health_check_mysql_rec_version = ''; 18 19 public $schedules; 20 public $crons; 21 public $last_missed_cron = null; 22 public $last_late_cron = null; 23 private $timeout_missed_cron = null; 24 private $timeout_late_cron = null; 25 26 /** 27 * WP_Site_Health constructor. 28 * 29 * @since 5.2.0 30 */ 31 public function __construct() { 32 $this->prepare_sql_data(); 33 34 $this->timeout_late_cron = 0; 35 $this->timeout_missed_cron = - 5 * MINUTE_IN_SECONDS; 36 37 if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) { 38 $this->timeout_late_cron = - 15 * MINUTE_IN_SECONDS; 39 $this->timeout_missed_cron = - 1 * HOUR_IN_SECONDS; 40 } 41 42 add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) ); 43 44 add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); 45 } 46 47 /** 48 * Enqueues the site health scripts. 49 * 50 * @since 5.2.0 51 */ 52 public function enqueue_scripts() { 53 $screen = get_current_screen(); 54 if ( 'site-health' !== $screen->id ) { 55 return; 56 } 57 58 $health_check_js_variables = array( 59 'screen' => $screen->id, 60 'nonce' => array( 61 'site_status' => wp_create_nonce( 'health-check-site-status' ), 62 'site_status_result' => wp_create_nonce( 'health-check-site-status-result' ), 63 ), 64 'site_status' => array( 65 'direct' => array(), 66 'async' => array(), 67 'issues' => array( 68 'good' => 0, 69 'recommended' => 0, 70 'critical' => 0, 71 ), 72 ), 73 ); 74 75 $issue_counts = get_transient( 'health-check-site-status-result' ); 76 77 if ( false !== $issue_counts ) { 78 $issue_counts = json_decode( $issue_counts ); 79 80 $health_check_js_variables['site_status']['issues'] = $issue_counts; 81 } 82 83 if ( 'site-health' === $screen->id && ! isset( $_GET['tab'] ) ) { 84 $tests = WP_Site_Health::get_tests(); 85 86 // Don't run https test on localhost 87 if ( 'localhost' === preg_replace( '|https?://|', '', get_site_url() ) ) { 88 unset( $tests['direct']['https_status'] ); 89 } 90 91 foreach ( $tests['direct'] as $test ) { 92 if ( is_string( $test['test'] ) ) { 93 $test_function = sprintf( 94 'get_test_%s', 95 $test['test'] 96 ); 97 98 if ( method_exists( $this, $test_function ) && is_callable( array( $this, $test_function ) ) ) { 99 /** 100 * Filter the output of a finished Site Health test. 101 * 102 * @since 5.3.0 103 * 104 * @param array $test_result { 105 * An associated array of test result data. 106 * 107 * @param string $label A label describing the test, and is used as a header in the output. 108 * @param string $status The status of the test, which can be a value of `good`, `recommended` or `critical`. 109 * @param array $badge { 110 * Tests are put into categories which have an associated badge shown, these can be modified and assigned here. 111 * 112 * @param string $label The test label, for example `Performance`. 113 * @param string $color Default `blue`. A string representing a color to use for the label. 114 * } 115 * @param string $description A more descriptive explanation of what the test looks for, and why it is important for the end user. 116 * @param string $actions An action to direct the user to where they can resolve the issue, if one exists. 117 * @param string $test The name of the test being ran, used as a reference point. 118 * } 119 */ 120 $health_check_js_variables['site_status']['direct'][] = apply_filters( 'site_status_test_result', call_user_func( array( $this, $test_function ) ) ); 121 continue; 122 } 123 } 124 125 if ( is_callable( $test['test'] ) ) { 126 /** This filter is documented in wp-admin/includes/class-wp-site-health.php */ 127 $health_check_js_variables['site_status']['direct'][] = apply_filters( 'site_status_test_result', call_user_func( $test['test'] ) ); 128 } 129 } 130 131 foreach ( $tests['async'] as $test ) { 132 if ( is_string( $test['test'] ) ) { 133 $health_check_js_variables['site_status']['async'][] = array( 134 'test' => $test['test'], 135 'completed' => false, 136 ); 137 } 138 } 139 } 140 141 wp_localize_script( 'site-health', 'SiteHealth', $health_check_js_variables ); 142 } 143 144 /** 145 * Run the SQL version checks. 146 * 147 * These values are used in later tests, but the part of preparing them is more easily managed early 148 * in the class for ease of access and discovery. 149 * 150 * @since 5.2.0 151 * 152 * @global wpdb $wpdb WordPress database abstraction object. 153 */ 154 private function prepare_sql_data() { 155 global $wpdb; 156 157 if ( $wpdb->use_mysqli ) { 158 // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysqli_get_server_info 159 $mysql_server_type = mysqli_get_server_info( $wpdb->dbh ); 160 } else { 161 // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_server_info,PHPCompatibility.Extensions.RemovedExtensions.mysql_DeprecatedRemoved 162 $mysql_server_type = mysql_get_server_info( $wpdb->dbh ); 163 } 164 165 $this->mysql_server_version = $wpdb->get_var( 'SELECT VERSION()' ); 166 167 $this->health_check_mysql_rec_version = '5.6'; 168 169 if ( stristr( $mysql_server_type, 'mariadb' ) ) { 170 $this->is_mariadb = true; 171 $this->health_check_mysql_rec_version = '10.0'; 172 } 173 174 $this->mysql_min_version_check = version_compare( '5.5', $this->mysql_server_version, '<=' ); 175 $this->mysql_rec_version_check = version_compare( $this->health_check_mysql_rec_version, $this->mysql_server_version, '<=' ); 176 } 177 178 /** 179 * Test if `wp_version_check` is blocked. 180 * 181 * It's possible to block updates with the `wp_version_check` filter, but this can't be checked during an 182 * AJAX call, as the filter is never introduced then. 183 * 184 * This filter overrides a normal page request if it's made by an admin through the AJAX call with the 185 * right query argument to check for this. 186 * 187 * @since 5.2.0 188 */ 189 public function check_wp_version_check_exists() { 190 if ( ! is_admin() || ! is_user_logged_in() || ! current_user_can( 'update_core' ) || ! isset( $_GET['health-check-test-wp_version_check'] ) ) { 191 return; 192 } 193 194 echo ( has_filter( 'wp_version_check', 'wp_version_check' ) ? 'yes' : 'no' ); 195 196 die(); 197 } 198 199 /** 200 * Tests for WordPress version and outputs it. 201 * 202 * Gives various results depending on what kind of updates are available, if any, to encourage the 203 * user to install security updates as a priority. 204 * 205 * @since 5.2.0 206 * 207 * @return array The test result. 208 */ 209 public function get_test_wordpress_version() { 210 $result = array( 211 'label' => '', 212 'status' => '', 213 'badge' => array( 214 'label' => __( 'Performance' ), 215 'color' => 'blue', 216 ), 217 'description' => '', 218 'actions' => '', 219 'test' => 'wordpress_version', 220 ); 221 222 $core_current_version = get_bloginfo( 'version' ); 223 $core_updates = get_core_updates(); 224 225 if ( ! is_array( $core_updates ) ) { 226 $result['status'] = 'recommended'; 227 228 $result['label'] = sprintf( 229 /* translators: %s: Your current version of WordPress. */ 230 __( 'WordPress version %s' ), 231 $core_current_version 232 ); 233 234 $result['description'] = sprintf( 235 '<p>%s</p>', 236 __( 'We were unable to check if any new versions of WordPress are available.' ) 237 ); 238 239 $result['actions'] = sprintf( 240 '<a href="%s">%s</a>', 241 esc_url( admin_url( 'update-core.php?force-check=1' ) ), 242 __( 'Check for updates manually' ) 243 ); 244 } else { 245 foreach ( $core_updates as $core => $update ) { 246 if ( 'upgrade' === $update->response ) { 247 $current_version = explode( '.', $core_current_version ); 248 $new_version = explode( '.', $update->version ); 249 250 $current_major = $current_version[0] . '.' . $current_version[1]; 251 $new_major = $new_version[0] . '.' . $new_version[1]; 252 253 $result['label'] = sprintf( 254 /* translators: %s: The latest version of WordPress available. */ 255 __( 'WordPress update available (%s)' ), 256 $update->version 257 ); 258 259 $result['actions'] = sprintf( 260 '<a href="%s">%s</a>', 261 esc_url( admin_url( 'update-core.php' ) ), 262 __( 'Install the latest version of WordPress' ) 263 ); 264 265 if ( $current_major !== $new_major ) { 266 // This is a major version mismatch. 267 $result['status'] = 'recommended'; 268 $result['description'] = sprintf( 269 '<p>%s</p>', 270 __( 'A new version of WordPress is available.' ) 271 ); 272 } else { 273 // This is a minor version, sometimes considered more critical. 274 $result['status'] = 'critical'; 275 $result['badge']['label'] = __( 'Security' ); 276 $result['description'] = sprintf( 277 '<p>%s</p>', 278 __( 'A new minor update is available for your site. Because minor updates often address security, it’s important to install them.' ) 279 ); 280 } 281 } else { 282 $result['status'] = 'good'; 283 $result['label'] = sprintf( 284 /* translators: %s: The current version of WordPress installed on this site. */ 285 __( 'Your version of WordPress (%s) is up to date' ), 286 $core_current_version 287 ); 288 289 $result['description'] = sprintf( 290 '<p>%s</p>', 291 __( 'You are currently running the latest version of WordPress available, keep it up!' ) 292 ); 293 } 294 } 295 } 296 297 return $result; 298 } 299 300 /** 301 * Test if plugins are outdated, or unnecessary. 302 * 303 * The tests checks if your plugins are up to date, and encourages you to remove any that are not in use. 304 * 305 * @since 5.2.0 306 * 307 * @return array The test result. 308 */ 309 public function get_test_plugin_version() { 310 $result = array( 311 'label' => __( 'Your plugins are all up to date' ), 312 'status' => 'good', 313 'badge' => array( 314 'label' => __( 'Security' ), 315 'color' => 'blue', 316 ), 317 'description' => sprintf( 318 '<p>%s</p>', 319 __( 'Plugins extend your site’s functionality with things like contact forms, ecommerce and much more. That means they have deep access to your site, so it’s vital to keep them up to date.' ) 320 ), 321 'actions' => sprintf( 322 '<p><a href="%s">%s</a></p>', 323 esc_url( admin_url( 'plugins.php' ) ), 324 __( 'Manage your plugins' ) 325 ), 326 'test' => 'plugin_version', 327 ); 328 329 $plugins = get_plugins(); 330 $plugin_updates = get_plugin_updates(); 331 332 $plugins_have_updates = false; 333 $plugins_active = 0; 334 $plugins_total = 0; 335 $plugins_need_update = 0; 336 337 // Loop over the available plugins and check their versions and active state. 338 foreach ( $plugins as $plugin_path => $plugin ) { 339 $plugins_total++; 340 341 if ( is_plugin_active( $plugin_path ) ) { 342 $plugins_active++; 343 } 344 345 $plugin_version = $plugin['Version']; 346 347 if ( array_key_exists( $plugin_path, $plugin_updates ) ) { 348 $plugins_need_update++; 349 $plugins_have_updates = true; 350 } 351 } 352 353 // Add a notice if there are outdated plugins. 354 if ( $plugins_need_update > 0 ) { 355 $result['status'] = 'critical'; 356 357 $result['label'] = __( 'You have plugins waiting to be updated' ); 358 359 $result['description'] .= sprintf( 360 '<p>%s</p>', 361 sprintf( 362 /* translators: %d: The number of outdated plugins. */ 363 _n( 364 'Your site has %d plugin waiting to be updated.', 365 'Your site has %d plugins waiting to be updated.', 366 $plugins_need_update 367 ), 368 $plugins_need_update 369 ) 370 ); 371 372 $result['actions'] .= sprintf( 373 '<p><a href="%s">%s</a></p>', 374 esc_url( network_admin_url( 'plugins.php?plugin_status=upgrade' ) ), 375 __( 'Update your plugins' ) 376 ); 377 } else { 378 if ( 1 === $plugins_active ) { 379 $result['description'] .= sprintf( 380 '<p>%s</p>', 381 __( 'Your site has 1 active plugin, and it is up to date.' ) 382 ); 383 } else { 384 $result['description'] .= sprintf( 385 '<p>%s</p>', 386 sprintf( 387 /* translators: %d: The number of active plugins. */ 388 _n( 389 'Your site has %d active plugin, and it is up to date.', 390 'Your site has %d active plugins, and they are all up to date.', 391 $plugins_active 392 ), 393 $plugins_active 394 ) 395 ); 396 } 397 } 398 399 // Check if there are inactive plugins. 400 if ( $plugins_total > $plugins_active && ! is_multisite() ) { 401 $unused_plugins = $plugins_total - $plugins_active; 402 403 $result['status'] = 'recommended'; 404 405 $result['label'] = __( 'You should remove inactive plugins' ); 406 407 $result['description'] .= sprintf( 408 '<p>%s %s</p>', 409 sprintf( 410 /* translators: %d: The number of inactive plugins. */ 411 _n( 412 'Your site has %d inactive plugin.', 413 'Your site has %d inactive plugins.', 414 $unused_plugins 415 ), 416 $unused_plugins 417 ), 418 __( 'Inactive plugins are tempting targets for attackers. If you’re not going to use a plugin, we recommend you remove it.' ) 419 ); 420 421 $result['actions'] .= sprintf( 422 '<p><a href="%s">%s</a></p>', 423 esc_url( admin_url( 'plugins.php?plugin_status=inactive' ) ), 424 __( 'Manage inactive plugins' ) 425 ); 426 } 427 428 return $result; 429 } 430 431 /** 432 * Test if themes are outdated, or unnecessary. 433 * 434 * The tests checks if your site has a default theme (to fall back on if there is a need), if your themes 435 * are up to date and, finally, encourages you to remove any themes that are not needed. 436 * 437 * @since 5.2.0 438 * 439 * @return array The test results. 440 */ 441 public function get_test_theme_version() { 442 $result = array( 443 'label' => __( 'Your themes are all up to date' ), 444 'status' => 'good', 445 'badge' => array( 446 'label' => __( 'Security' ), 447 'color' => 'blue', 448 ), 449 'description' => sprintf( 450 '<p>%s</p>', 451 __( 'Themes add your site’s look and feel. It’s important to keep them up to date, to stay consistent with your brand and keep your site secure.' ) 452 ), 453 'actions' => sprintf( 454 '<p><a href="%s">%s</a></p>', 455 esc_url( admin_url( 'themes.php' ) ), 456 __( 'Manage your themes' ) 457 ), 458 'test' => 'theme_version', 459 ); 460 461 $theme_updates = get_theme_updates(); 462 463 $themes_total = 0; 464 $themes_need_updates = 0; 465 $themes_inactive = 0; 466 467 // This value is changed during processing to determine how many themes are considered a reasonable amount. 468 $allowed_theme_count = 1; 469 470 $has_default_theme = false; 471 $has_unused_themes = false; 472 $show_unused_themes = true; 473 $using_default_theme = false; 474 475 // Populate a list of all themes available in the install. 476 $all_themes = wp_get_themes(); 477 $active_theme = wp_get_theme(); 478 479 // If WP_DEFAULT_THEME doesn't exist, fall back to the latest core default theme. 480 $default_theme = wp_get_theme( WP_DEFAULT_THEME ); 481 if ( ! $default_theme->exists() ) { 482 $default_theme = WP_Theme::get_core_default_theme(); 483 } 484 485 if ( $default_theme ) { 486 $has_default_theme = true; 487 488 if ( 489 $active_theme->get_stylesheet() === $default_theme->get_stylesheet() 490 || 491 is_child_theme() && $active_theme->get_template() === $default_theme->get_template() 492 ) { 493 $using_default_theme = true; 494 } 495 } 496 497 foreach ( $all_themes as $theme_slug => $theme ) { 498 $themes_total++; 499 500 if ( array_key_exists( $theme_slug, $theme_updates ) ) { 501 $themes_need_updates++; 502 } 503 } 504 505 // If this is a child theme, increase the allowed theme count by one, to account for the parent. 506 if ( is_child_theme() ) { 507 $allowed_theme_count++; 508 } 509 510 // If there's a default theme installed and not in use, we count that as allowed as well. 511 if ( $has_default_theme && ! $using_default_theme ) { 512 $allowed_theme_count++; 513 } 514 515 if ( $themes_total > $allowed_theme_count ) { 516 $has_unused_themes = true; 517 $themes_inactive = ( $themes_total - $allowed_theme_count ); 518 } 519 520 // Check if any themes need to be updated. 521 if ( $themes_need_updates > 0 ) { 522 $result['status'] = 'critical'; 523 524 $result['label'] = __( 'You have themes waiting to be updated' ); 525 526 $result['description'] .= sprintf( 527 '<p>%s</p>', 528 sprintf( 529 /* translators: %d: The number of outdated themes. */ 530 _n( 531 'Your site has %d theme waiting to be updated.', 532 'Your site has %d themes waiting to be updated.', 533 $themes_need_updates 534 ), 535 $themes_need_updates 536 ) 537 ); 538 } else { 539 // Give positive feedback about the site being good about keeping things up to date. 540 if ( 1 === $themes_total ) { 541 $result['description'] .= sprintf( 542 '<p>%s</p>', 543 __( 'Your site has 1 installed theme, and it is up to date.' ) 544 ); 545 } else { 546 $result['description'] .= sprintf( 547 '<p>%s</p>', 548 sprintf( 549 /* translators: %d: The number of themes. */ 550 _n( 551 'Your site has %d installed theme, and it is up to date.', 552 'Your site has %d installed themes, and they are all up to date.', 553 $themes_total 554 ), 555 $themes_total 556 ) 557 ); 558 } 559 } 560 561 if ( $has_unused_themes && $show_unused_themes && ! is_multisite() ) { 562 563 // This is a child theme, so we want to be a bit more explicit in our messages. 564 if ( is_child_theme() ) { 565 // Recommend removing inactive themes, except a default theme, your current one, and the parent theme. 566 $result['status'] = 'recommended'; 567 568 $result['label'] = __( 'You should remove inactive themes' ); 569 570 if ( $using_default_theme ) { 571 $result['description'] .= sprintf( 572 '<p>%s %s</p>', 573 sprintf( 574 /* translators: %d: The number of inactive themes. */ 575 _n( 576 'Your site has %d inactive theme.', 577 'Your site has %d inactive themes.', 578 $themes_inactive 579 ), 580 $themes_inactive 581 ), 582 sprintf( 583 /* translators: 1: The currently active theme. 2: The active theme's parent theme. */ 584 __( 'To enhance your site’s security, we recommend you remove any themes you’re not using. You should keep your current theme, %1$s, and %2$s, its parent theme.' ), 585 $active_theme->name, 586 $active_theme->parent()->name 587 ) 588 ); 589 } else { 590 $result['description'] .= sprintf( 591 '<p>%s %s</p>', 592 sprintf( 593 /* translators: %d: The number of inactive themes. */ 594 _n( 595 'Your site has %d inactive theme.', 596 'Your site has %d inactive themes.', 597 $themes_inactive 598 ), 599 $themes_inactive 600 ), 601 sprintf( 602 /* translators: 1: The default theme for WordPress. 2: The currently active theme. 3: The active theme's parent theme. */ 603 __( 'To enhance your site’s security, we recommend you remove any themes you’re not using. You should keep %1$s, the default WordPress theme, %2$s, your current theme, and %3$s, its parent theme.' ), 604 $default_theme ? $default_theme->name : WP_DEFAULT_THEME, 605 $active_theme->name, 606 $active_theme->parent()->name 607 ) 608 ); 609 } 610 } else { 611 // Recommend removing all inactive themes. 612 $result['status'] = 'recommended'; 613 614 $result['label'] = __( 'You should remove inactive themes' ); 615 616 if ( $using_default_theme ) { 617 $result['description'] .= sprintf( 618 '<p>%s %s</p>', 619 sprintf( 620 /* translators: 1: The amount of inactive themes. 2: The currently active theme. */ 621 _n( 622 'Your site has %1$d inactive theme, other than %2$s, your active theme.', 623 'Your site has %1$d inactive themes, other than %2$s, your active theme.', 624 $themes_inactive 625 ), 626 $themes_inactive, 627 $active_theme->name 628 ), 629 __( 'We recommend removing any unused themes to enhance your site’s security.' ) 630 ); 631 } else { 632 $result['description'] .= sprintf( 633 '<p>%s %s</p>', 634 sprintf( 635 /* translators: 1: The amount of inactive themes. 2: The default theme for WordPress. 3: The currently active theme. */ 636 _n( 637 'Your site has %1$d inactive theme, other than %2$s, the default WordPress theme, and %3$s, your active theme.', 638 'Your site has %1$d inactive themes, other than %2$s, the default WordPress theme, and %3$s, your active theme.', 639 $themes_inactive 640 ), 641 $themes_inactive, 642 $default_theme ? $default_theme->name : WP_DEFAULT_THEME, 643 $active_theme->name 644 ), 645 __( 'We recommend removing any unused themes to enhance your site’s security.' ) 646 ); 647 } 648 } 649 } 650 651 // If no default Twenty* theme exists. 652 if ( ! $has_default_theme ) { 653 $result['status'] = 'recommended'; 654 655 $result['label'] = __( 'Have a default theme available' ); 656 657 $result['description'] .= sprintf( 658 '<p>%s</p>', 659 __( 'Your site does not have any default theme. Default themes are used by WordPress automatically if anything is wrong with your normal theme.' ) 660 ); 661 } 662 663 return $result; 664 } 665 666 /** 667 * Test if the supplied PHP version is supported. 668 * 669 * @since 5.2.0 670 * 671 * @return array The test results. 672 */ 673 public function get_test_php_version() { 674 $response = wp_check_php_version(); 675 676 $result = array( 677 'label' => sprintf( 678 /* translators: %s: The current PHP version. */ 679 __( 'Your version of PHP (%s) is up to date' ), 680 PHP_VERSION 681 ), 682 'status' => 'good', 683 'badge' => array( 684 'label' => __( 'Performance' ), 685 'color' => 'blue', 686 ), 687 'description' => sprintf( 688 '<p>%s</p>', 689 sprintf( 690 /* translators: %s: The minimum recommended PHP version. */ 691 __( 'PHP is the programming language used to build and maintain WordPress. Newer versions of PHP are faster and more secure, so staying up to date will help your site’s overall performance and security. The minimum recommended version of PHP is %s.' ), 692 $response['recommended_version'] 693 ) 694 ), 695 'actions' => sprintf( 696 '<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>', 697 esc_url( wp_get_update_php_url() ), 698 __( 'Learn more about updating PHP' ), 699 /* translators: Accessibility text. */ 700 __( '(opens in a new tab)' ) 701 ), 702 'test' => 'php_version', 703 ); 704 705 // PHP is up to date. 706 if ( ! $response || version_compare( PHP_VERSION, $response['recommended_version'], '>=' ) ) { 707 return $result; 708 } 709 710 // The PHP version is older than the recommended version, but still receiving active support. 711 if ( $response['is_supported'] ) { 712 $result['label'] = sprintf( 713 /* translators: %s: The server PHP version. */ 714 __( 'Your version of PHP (%s) is out of date' ), 715 PHP_VERSION 716 ); 717 $result['status'] = 'recommended'; 718 719 return $result; 720 } 721 722 // The PHP version is only receiving security fixes. 723 if ( $response['is_secure'] ) { 724 $result['label'] = sprintf( 725 /* translators: %s: The server PHP version. */ 726 __( 'Your version of PHP (%s) should be updated' ), 727 PHP_VERSION 728 ); 729 $result['status'] = 'recommended'; 730 731 return $result; 732 } 733 734 // Anything no longer secure must be updated. 735 $result['label'] = sprintf( 736 /* translators: %s: The server PHP version. */ 737 __( 'Your version of PHP (%s) requires an update' ), 738 PHP_VERSION 739 ); 740 $result['status'] = 'critical'; 741 $result['badge']['label'] = __( 'Security' ); 742 743 return $result; 744 } 745 746 /** 747 * Check if the passed extension or function are available. 748 * 749 * Make the check for available PHP modules into a simple boolean operator for a cleaner test runner. 750 * 751 * @since 5.2.0 752 * @since 5.3.0 The `$constant` and `$class` parameters were added. 753 * 754 * @param string $extension Optional. The extension name to test. Default null. 755 * @param string $function Optional. The function name to test. Default null. 756 * @param string $constant Optional. The constant name to test for. Default null. 757 * @param string $class Optional. The class name to test for. Default null. 758 * 759 * @return bool Whether or not the extension and function are available. 760 */ 761 private function test_php_extension_availability( $extension = null, $function = null, $constant = null, $class = null ) { 762 // If no extension or function is passed, claim to fail testing, as we have nothing to test against. 763 if ( ! $extension && ! $function && ! $constant && ! $class ) { 764 return false; 765 } 766 767 if ( $extension && ! extension_loaded( $extension ) ) { 768 return false; 769 } 770 if ( $function && ! function_exists( $function ) ) { 771 return false; 772 } 773 if ( $constant && ! defined( $constant ) ) { 774 return false; 775 } 776 if ( $class && ! class_exists( $class ) ) { 777 return false; 778 } 779 780 return true; 781 } 782 783 /** 784 * Test if required PHP modules are installed on the host. 785 * 786 * This test builds on the recommendations made by the WordPress Hosting Team 787 * as seen at https://make.wordpress.org/hosting/handbook/handbook/server-environment/#php-extensions 788 * 789 * @since 5.2.0 790 * 791 * @return array 792 */ 793 public function get_test_php_extensions() { 794 $result = array( 795 'label' => __( 'Required and recommended modules are installed' ), 796 'status' => 'good', 797 'badge' => array( 798 'label' => __( 'Performance' ), 799 'color' => 'blue', 800 ), 801 'description' => sprintf( 802 '<p>%s</p><p>%s</p>', 803 __( 'PHP modules perform most of the tasks on the server that make your site run. Any changes to these must be made by your server administrator.' ), 804 sprintf( 805 /* translators: 1: Link to the hosting group page about recommended PHP modules. 2: Additional link attributes. 3: Accessibility text. */ 806 __( 'The WordPress Hosting Team maintains a list of those modules, both recommended and required, in <a href="%1$s" %2$s>the team handbook%3$s</a>.' ), 807 /* translators: Localized team handbook, if one exists. */ 808 esc_url( __( 'https://make.wordpress.org/hosting/handbook/handbook/server-environment/#php-extensions' ) ), 809 'target="_blank" rel="noopener noreferrer"', 810 sprintf( 811 ' <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span>', 812 /* translators: Accessibility text. */ 813 __( '(opens in a new tab)' ) 814 ) 815 ) 816 ), 817 'actions' => '', 818 'test' => 'php_extensions', 819 ); 820 821 $modules = array( 822 'curl' => array( 823 'function' => 'curl_version', 824 'required' => false, 825 ), 826 'dom' => array( 827 'class' => 'DOMNode', 828 'required' => false, 829 ), 830 'exif' => array( 831 'function' => 'exif_read_data', 832 'required' => false, 833 ), 834 'fileinfo' => array( 835 'function' => 'finfo_file', 836 'required' => false, 837 ), 838 'hash' => array( 839 'function' => 'hash', 840 'required' => false, 841 ), 842 'json' => array( 843 'function' => 'json_last_error', 844 'required' => true, 845 ), 846 'mbstring' => array( 847 'function' => 'mb_check_encoding', 848 'required' => false, 849 ), 850 'mysqli' => array( 851 'function' => 'mysqli_connect', 852 'required' => false, 853 ), 854 'libsodium' => array( 855 'constant' => 'SODIUM_LIBRARY_VERSION', 856 'required' => false, 857 'php_bundled_version' => '7.2.0', 858 ), 859 'openssl' => array( 860 'function' => 'openssl_encrypt', 861 'required' => false, 862 ), 863 'pcre' => array( 864 'function' => 'preg_match', 865 'required' => false, 866 ), 867 'imagick' => array( 868 'extension' => 'imagick', 869 'required' => false, 870 ), 871 'mod_xml' => array( 872 'extension' => 'libxml', 873 'required' => false, 874 ), 875 'zip' => array( 876 'class' => 'ZipArchive', 877 'required' => false, 878 ), 879 'filter' => array( 880 'function' => 'filter_list', 881 'required' => false, 882 ), 883 'gd' => array( 884 'extension' => 'gd', 885 'required' => false, 886 'fallback_for' => 'imagick', 887 ), 888 'iconv' => array( 889 'function' => 'iconv', 890 'required' => false, 891 ), 892 'mcrypt' => array( 893 'extension' => 'mcrypt', 894 'required' => false, 895 'fallback_for' => 'libsodium', 896 ), 897 'simplexml' => array( 898 'extension' => 'simplexml', 899 'required' => false, 900 'fallback_for' => 'mod_xml', 901 ), 902 'xmlreader' => array( 903 'extension' => 'xmlreader', 904 'required' => false, 905 'fallback_for' => 'mod_xml', 906 ), 907 'zlib' => array( 908 'extension' => 'zlib', 909 'required' => false, 910 'fallback_for' => 'zip', 911 ), 912 ); 913 914 /** 915 * An array representing all the modules we wish to test for. 916 * 917 * @since 5.2.0 918 * @since 5.3.0 The `$constant` and `$class` parameters were added. 919 * 920 * @param array $modules { 921 * An associated array of modules to test for. 922 * 923 * array $module { 924 * An associated array of module properties used during testing. 925 * One of either `$function` or `$extension` must be provided, or they will fail by default. 926 * 927 * string $function Optional. A function name to test for the existence of. 928 * string $extension Optional. An extension to check if is loaded in PHP. 929 * string $constant Optional. A constant name to check for to verify an extension exists. 930 * string $class Optional. A class name to check for to verify an extension exists. 931 * bool $required Is this a required feature or not. 932 * string $fallback_for Optional. The module this module replaces as a fallback. 933 * } 934 * } 935 */ 936 $modules = apply_filters( 'site_status_test_php_modules', $modules ); 937 938 $failures = array(); 939 940 foreach ( $modules as $library => $module ) { 941 $extension = ( isset( $module['extension'] ) ? $module['extension'] : null ); 942 $function = ( isset( $module['function'] ) ? $module['function'] : null ); 943 $constant = ( isset( $module['constant'] ) ? $module['constant'] : null ); 944 $class_name = ( isset( $module['class'] ) ? $module['class'] : null ); 945 946 // If this module is a fallback for another function, check if that other function passed. 947 if ( isset( $module['fallback_for'] ) ) { 948 /* 949 * If that other function has a failure, mark this module as required for normal operations. 950 * If that other function hasn't failed, skip this test as it's only a fallback. 951 */ 952 if ( isset( $failures[ $module['fallback_for'] ] ) ) { 953 $module['required'] = true; 954 } else { 955 continue; 956 } 957 } 958 959 if ( ! $this->test_php_extension_availability( $extension, $function, $constant, $class_name ) && ( ! isset( $module['php_bundled_version'] ) || version_compare( PHP_VERSION, $module['php_bundled_version'], '<' ) ) ) { 960 if ( $module['required'] ) { 961 $result['status'] = 'critical'; 962 963 $class = 'error'; 964 $screen_reader = __( 'Error' ); 965 $message = sprintf( 966 /* translators: %s: The module name. */ 967 __( 'The required module, %s, is not installed, or has been disabled.' ), 968 $library 969 ); 970 } else { 971 $class = 'warning'; 972 $screen_reader = __( 'Warning' ); 973 $message = sprintf( 974 /* translators: %s: The module name. */ 975 __( 'The optional module, %s, is not installed, or has been disabled.' ), 976 $library 977 ); 978 } 979 980 if ( ! $module['required'] && 'good' === $result['status'] ) { 981 $result['status'] = 'recommended'; 982 } 983 984 $failures[ $library ] = "<span class='dashicons $class'><span class='screen-reader-text'>$screen_reader</span></span> $message"; 985 } 986 } 987 988 if ( ! empty( $failures ) ) { 989 $output = '<ul>'; 990 991 foreach ( $failures as $failure ) { 992 $output .= sprintf( 993 '<li>%s</li>', 994 $failure 995 ); 996 } 997 998 $output .= '</ul>'; 999 } 1000 1001 if ( 'good' !== $result['status'] ) { 1002 if ( 'recommended' === $result['status'] ) { 1003 $result['label'] = __( 'One or more recommended modules are missing' ); 1004 } 1005 if ( 'critical' === $result['status'] ) { 1006 $result['label'] = __( 'One or more required modules are missing' ); 1007 } 1008 1009 $result['description'] .= sprintf( 1010 '<p>%s</p>', 1011 $output 1012 ); 1013 } 1014 1015 return $result; 1016 } 1017 1018 /** 1019 * Test if the SQL server is up to date. 1020 * 1021 * @since 5.2.0 1022 * 1023 * @return array The test results. 1024 */ 1025 public function get_test_sql_server() { 1026 $result = array( 1027 'label' => __( 'SQL server is up to date' ), 1028 'status' => 'good', 1029 'badge' => array( 1030 'label' => __( 'Performance' ), 1031 'color' => 'blue', 1032 ), 1033 'description' => sprintf( 1034 '<p>%s</p>', 1035 __( 'The SQL server is a required piece of software for the database WordPress uses to store all your site’s content and settings.' ) 1036 ), 1037 'actions' => sprintf( 1038 '<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>', 1039 /* translators: Localized version of WordPress requirements if one exists. */ 1040 esc_url( __( 'https://wordpress.org/about/requirements/' ) ), 1041 __( 'Learn more about what WordPress requires to run.' ), 1042 /* translators: Accessibility text. */ 1043 __( '(opens in a new tab)' ) 1044 ), 1045 'test' => 'sql_server', 1046 ); 1047 1048 $db_dropin = file_exists( WP_CONTENT_DIR . '/db.php' ); 1049 1050 if ( ! $this->mysql_rec_version_check ) { 1051 $result['status'] = 'recommended'; 1052 1053 $result['label'] = __( 'Outdated SQL server' ); 1054 1055 $result['description'] .= sprintf( 1056 '<p>%s</p>', 1057 sprintf( 1058 /* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server recommended version number. */ 1059 __( 'For optimal performance and security reasons, we recommend running %1$s version %2$s or higher. Contact your web hosting company to correct this.' ), 1060 ( $this->is_mariadb ? 'MariaDB' : 'MySQL' ), 1061 $this->health_check_mysql_rec_version 1062 ) 1063 ); 1064 } 1065 1066 if ( ! $this->mysql_min_version_check ) { 1067 $result['status'] = 'critical'; 1068 1069 $result['label'] = __( 'Severely outdated SQL server' ); 1070 $result['badge']['label'] = __( 'Security' ); 1071 1072 $result['description'] .= sprintf( 1073 '<p>%s</p>', 1074 sprintf( 1075 /* translators: 1: The database engine in use (MySQL or MariaDB). 2: Database server minimum version number. */ 1076 __( 'WordPress requires %1$s version %2$s or higher. Contact your web hosting company to correct this.' ), 1077 ( $this->is_mariadb ? 'MariaDB' : 'MySQL' ), 1078 $this->health_check_mysql_required_version 1079 ) 1080 ); 1081 } 1082 1083 if ( $db_dropin ) { 1084 $result['description'] .= sprintf( 1085 '<p>%s</p>', 1086 wp_kses( 1087 sprintf( 1088 /* translators: 1: The name of the drop-in. 2: The name of the database engine. */ 1089 __( 'You are using a %1$s drop-in which might mean that a %2$s database is not being used.' ), 1090 '<code>wp-content/db.php</code>', 1091 ( $this->is_mariadb ? 'MariaDB' : 'MySQL' ) 1092 ), 1093 array( 1094 'code' => true, 1095 ) 1096 ) 1097 ); 1098 } 1099 1100 return $result; 1101 } 1102 1103 /** 1104 * Test if the database server is capable of using utf8mb4. 1105 * 1106 * @since 5.2.0 1107 * 1108 * @return array The test results. 1109 */ 1110 public function get_test_utf8mb4_support() { 1111 global $wpdb; 1112 1113 $result = array( 1114 'label' => __( 'UTF8MB4 is supported' ), 1115 'status' => 'good', 1116 'badge' => array( 1117 'label' => __( 'Performance' ), 1118 'color' => 'blue', 1119 ), 1120 'description' => sprintf( 1121 '<p>%s</p>', 1122 __( 'UTF8MB4 is the character set WordPress prefers for database storage because it safely supports the widest set of characters and encodings, including Emoji, enabling better support for non-English languages.' ) 1123 ), 1124 'actions' => '', 1125 'test' => 'utf8mb4_support', 1126 ); 1127 1128 if ( ! $this->is_mariadb ) { 1129 if ( version_compare( $this->mysql_server_version, '5.5.3', '<' ) ) { 1130 $result['status'] = 'recommended'; 1131 1132 $result['label'] = __( 'utf8mb4 requires a MySQL update' ); 1133 1134 $result['description'] .= sprintf( 1135 '<p>%s</p>', 1136 sprintf( 1137 /* translators: %s: Version number. */ 1138 __( 'WordPress’ utf8mb4 support requires MySQL version %s or greater. Please contact your server administrator.' ), 1139 '5.5.3' 1140 ) 1141 ); 1142 } else { 1143 $result['description'] .= sprintf( 1144 '<p>%s</p>', 1145 __( 'Your MySQL version supports utf8mb4.' ) 1146 ); 1147 } 1148 } else { // MariaDB introduced utf8mb4 support in 5.5.0 1149 if ( version_compare( $this->mysql_server_version, '5.5.0', '<' ) ) { 1150 $result['status'] = 'recommended'; 1151 1152 $result['label'] = __( 'utf8mb4 requires a MariaDB update' ); 1153 1154 $result['description'] .= sprintf( 1155 '<p>%s</p>', 1156 sprintf( 1157 /* translators: %s: Version number. */ 1158 __( 'WordPress’ utf8mb4 support requires MariaDB version %s or greater. Please contact your server administrator.' ), 1159 '5.5.0' 1160 ) 1161 ); 1162 } else { 1163 $result['description'] .= sprintf( 1164 '<p>%s</p>', 1165 __( 'Your MariaDB version supports utf8mb4.' ) 1166 ); 1167 } 1168 } 1169 1170 if ( $wpdb->use_mysqli ) { 1171 // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysqli_get_client_info 1172 $mysql_client_version = mysqli_get_client_info(); 1173 } else { 1174 // phpcs:ignore WordPress.DB.RestrictedFunctions.mysql_mysql_get_client_info,PHPCompatibility.Extensions.RemovedExtensions.mysql_DeprecatedRemoved 1175 $mysql_client_version = mysql_get_client_info(); 1176 } 1177 1178 /* 1179 * libmysql has supported utf8mb4 since 5.5.3, same as the MySQL server. 1180 * mysqlnd has supported utf8mb4 since 5.0.9. 1181 */ 1182 if ( false !== strpos( $mysql_client_version, 'mysqlnd' ) ) { 1183 $mysql_client_version = preg_replace( '/^\D+([\d.]+).*/', '$1', $mysql_client_version ); 1184 if ( version_compare( $mysql_client_version, '5.0.9', '<' ) ) { 1185 $result['status'] = 'recommended'; 1186 1187 $result['label'] = __( 'utf8mb4 requires a newer client library' ); 1188 1189 $result['description'] .= sprintf( 1190 '<p>%s</p>', 1191 sprintf( 1192 /* translators: 1: Name of the library, 2: Number of version. */ 1193 __( 'WordPress’ utf8mb4 support requires MySQL client library (%1$s) version %2$s or newer. Please contact your server administrator.' ), 1194 'mysqlnd', 1195 '5.0.9' 1196 ) 1197 ); 1198 } 1199 } else { 1200 if ( version_compare( $mysql_client_version, '5.5.3', '<' ) ) { 1201 $result['status'] = 'recommended'; 1202 1203 $result['label'] = __( 'utf8mb4 requires a newer client library' ); 1204 1205 $result['description'] .= sprintf( 1206 '<p>%s</p>', 1207 sprintf( 1208 /* translators: 1: Name of the library, 2: Number of version. */ 1209 __( 'WordPress’ utf8mb4 support requires MySQL client library (%1$s) version %2$s or newer. Please contact your server administrator.' ), 1210 'libmysql', 1211 '5.5.3' 1212 ) 1213 ); 1214 } 1215 } 1216 1217 return $result; 1218 } 1219 1220 /** 1221 * Test if the site can communicate with WordPress.org. 1222 * 1223 * @since 5.2.0 1224 * 1225 * @return array The test results. 1226 */ 1227 public function get_test_dotorg_communication() { 1228 $result = array( 1229 'label' => __( 'Can communicate with WordPress.org' ), 1230 'status' => '', 1231 'badge' => array( 1232 'label' => __( 'Security' ), 1233 'color' => 'blue', 1234 ), 1235 'description' => sprintf( 1236 '<p>%s</p>', 1237 __( 'Communicating with the WordPress servers is used to check for new versions, and to both install and update WordPress core, themes or plugins.' ) 1238 ), 1239 'actions' => '', 1240 'test' => 'dotorg_communication', 1241 ); 1242 1243 $wp_dotorg = wp_remote_get( 1244 'https://api.wordpress.org', 1245 array( 1246 'timeout' => 10, 1247 ) 1248 ); 1249 if ( ! is_wp_error( $wp_dotorg ) ) { 1250 $result['status'] = 'good'; 1251 } else { 1252 $result['status'] = 'critical'; 1253 1254 $result['label'] = __( 'Could not reach WordPress.org' ); 1255 1256 $result['description'] .= sprintf( 1257 '<p>%s</p>', 1258 sprintf( 1259 '<span class="error"><span class="screen-reader-text">%s</span></span> %s', 1260 __( 'Error' ), 1261 sprintf( 1262 /* translators: 1: The IP address WordPress.org resolves to. 2: The error returned by the lookup. */ 1263 __( 'Your site is unable to reach WordPress.org at %1$s, and returned the error: %2$s' ), 1264 gethostbyname( 'api.wordpress.org' ), 1265 $wp_dotorg->get_error_message() 1266 ) 1267 ) 1268 ); 1269 1270 $result['actions'] = sprintf( 1271 '<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>', 1272 /* translators: Localized Support reference. */ 1273 esc_url( __( 'https://wordpress.org/support' ) ), 1274 __( 'Get help resolving this issue.' ), 1275 /* translators: Accessibility text. */ 1276 __( '(opens in a new tab)' ) 1277 ); 1278 } 1279 1280 return $result; 1281 } 1282 1283 /** 1284 * Test if debug information is enabled. 1285 * 1286 * When WP_DEBUG is enabled, errors and information may be disclosed to site visitors, or it may be 1287 * logged to a publicly accessible file. 1288 * 1289 * Debugging is also frequently left enabled after looking for errors on a site, as site owners do 1290 * not understand the implications of this. 1291 * 1292 * @since 5.2.0 1293 * 1294 * @return array The test results. 1295 */ 1296 public function get_test_is_in_debug_mode() { 1297 $result = array( 1298 'label' => __( 'Your site is not set to output debug information' ), 1299 'status' => 'good', 1300 'badge' => array( 1301 'label' => __( 'Security' ), 1302 'color' => 'blue', 1303 ), 1304 'description' => sprintf( 1305 '<p>%s</p>', 1306 __( 'Debug mode is often enabled to gather more details about an error or site failure, but may contain sensitive information which should not be available on a publicly available website.' ) 1307 ), 1308 'actions' => sprintf( 1309 '<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>', 1310 /* translators: Documentation explaining debugging in WordPress. */ 1311 esc_url( __( 'https://wordpress.org/support/article/debugging-in-wordpress/' ) ), 1312 __( 'Learn more about debugging in WordPress.' ), 1313 /* translators: Accessibility text. */ 1314 __( '(opens in a new tab)' ) 1315 ), 1316 'test' => 'is_in_debug_mode', 1317 ); 1318 1319 if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) { 1320 if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { 1321 $result['label'] = __( 'Your site is set to log errors to a potentially public file.' ); 1322 1323 $result['status'] = 'critical'; 1324 1325 $result['description'] .= sprintf( 1326 '<p>%s</p>', 1327 sprintf( 1328 /* translators: %s: WP_DEBUG_LOG */ 1329 __( 'The value, %s, has been added to this website’s configuration file. This means any errors on the site will be written to a file which is potentially available to normal users.' ), 1330 '<code>WP_DEBUG_LOG</code>' 1331 ) 1332 ); 1333 } 1334 1335 if ( defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY ) { 1336 $result['label'] = __( 'Your site is set to display errors to site visitors' ); 1337 1338 $result['status'] = 'critical'; 1339 1340 $result['description'] .= sprintf( 1341 '<p>%s</p>', 1342 sprintf( 1343 /* translators: 1: WP_DEBUG_DISPLAY, 2: WP_DEBUG */ 1344 __( 'The value, %1$s, has either been enabled by %2$s or added to your configuration file. This will make errors display on the front end of your site.' ), 1345 '<code>WP_DEBUG_DISPLAY</code>', 1346 '<code>WP_DEBUG</code>' 1347 ) 1348 ); 1349 } 1350 } 1351 1352 return $result; 1353 } 1354 1355 /** 1356 * Test if your site is serving content over HTTPS. 1357 * 1358 * Many sites have varying degrees of HTTPS support, the most common of which is sites that have it 1359 * enabled, but only if you visit the right site address. 1360 * 1361 * @since 5.2.0 1362 * 1363 * @return array The test results. 1364 */ 1365 public function get_test_https_status() { 1366 $result = array( 1367 'label' => __( 'Your website is using an active HTTPS connection.' ), 1368 'status' => 'good', 1369 'badge' => array( 1370 'label' => __( 'Security' ), 1371 'color' => 'blue', 1372 ), 1373 'description' => sprintf( 1374 '<p>%s</p>', 1375 __( 'An HTTPS connection is a more secure way of browsing the web. Many services now have HTTPS as a requirement. HTTPS allows you to take advantage of new features that can increase site speed, improve search rankings, and gain the trust of your visitors by helping to protect their online privacy.' ) 1376 ), 1377 'actions' => sprintf( 1378 '<p><a href="%s" target="_blank" rel="noopener noreferrer">%s <span class="screen-reader-text">%s</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a></p>', 1379 /* translators: Documentation explaining HTTPS and why it should be used. */ 1380 esc_url( __( 'https://wordpress.org/support/article/why-should-i-use-https/' ) ), 1381 __( 'Learn more about why you should use HTTPS' ), 1382 /* translators: Accessibility text. */ 1383 __( '(opens in a new tab)' ) 1384 ), 1385 'test' => 'https_status', 1386 ); 1387 1388 if ( is_ssl() ) { 1389 $wp_url = get_bloginfo( 'wpurl' ); 1390 $site_url = get_bloginfo( 'url' ); 1391 1392 if ( 'https' !== substr( $wp_url, 0, 5 ) || 'https' !== substr( $site_url, 0, 5 ) ) { 1393 $result['status'] = 'recommended'; 1394 1395 $result['label'] = __( 'Only parts of your site are using HTTPS' ); 1396 1397 $result['description'] = sprintf( 1398 '<p>%s</p>', 1399 sprintf( 1400 /* translators: %s: URL to General Settings screen. */ 1401 __( 'You are accessing this website using HTTPS, but your <a href="%s">WordPress Address</a> is not set up to use HTTPS by default.' ), 1402 esc_url( admin_url( 'options-general.php' ) ) 1403 ) 1404 ); 1405 1406 $result['actions'] .= sprintf( 1407 '<p><a href="%s">%s</a></p>', 1408 esc_url( admin_url( 'options-general.php' ) ), 1409 __( 'Update your site addresses' ) 1410 ); 1411 } 1412 } else { 1413 $result['status'] = 'recommended'; 1414 1415 $result['label'] = __( 'Your site does not use HTTPS' ); 1416 } 1417 1418 return $result; 1419 } 1420 1421 /** 1422 * Check if the HTTP API can handle SSL/TLS requests. 1423 * 1424 * @since 5.2.0 1425 * 1426 * @return array The test results. 1427 */ 1428 public function get_test_ssl_support() { 1429 $result = array( 1430 'label' => '', 1431 'status' => '', 1432 'badge' => array( 1433 'label' => __( 'Security' ), 1434 'color' => 'blue', 1435 ), 1436 'description' => sprintf( 1437 '<p>%s</p>', 1438 __( 'Securely communicating between servers are needed for transactions such as fetching files, conducting sales on store sites, and much more.' ) 1439 ), 1440 'actions' => '', 1441 'test' => 'ssl_support', 1442 ); 1443 1444 $supports_https = wp_http_supports( array( 'ssl' ) ); 1445 1446 if ( $supports_https ) { 1447 $result['status'] = 'good'; 1448 1449 $result['label'] = __( 'Your site can communicate securely with other services' ); 1450 } else { 1451 $result['status'] = 'critical'; 1452 1453 $result['label'] = __( 'Your site is unable to communicate securely with other services' ); 1454 1455 $result['description'] .= sprintf( 1456 '<p>%s</p>', 1457 __( 'Talk to your web host about OpenSSL support for PHP.' ) 1458 ); 1459 } 1460 1461 return $result; 1462 } 1463 1464 /** 1465 * Test if scheduled events run as intended. 1466 * 1467 * If scheduled events are not running, this may indicate something with WP_Cron is not working as intended, 1468 * or that there are orphaned events hanging around from older code. 1469 * 1470 * @since 5.2.0 1471 * 1472 * @return array The test results. 1473 */ 1474 public function get_test_scheduled_events() { 1475 $result = array( 1476 'label' => __( 'Scheduled events are running' ), 1477 'status' => 'good', 1478 'badge' => array( 1479 'label' => __( 'Performance' ), 1480 'color' => 'blue', 1481 ), 1482 'description' => sprintf( 1483 '<p>%s</p>', 1484 __( 'Scheduled events are what periodically looks for updates to plugins, themes and WordPress itself. It is also what makes sure scheduled posts are published on time. It may also be used by various plugins to make sure that planned actions are executed.' ) 1485 ), 1486 'actions' => '', 1487 'test' => 'scheduled_events', 1488 ); 1489 1490 $this->wp_schedule_test_init(); 1491 1492 if ( is_wp_error( $this->has_missed_cron() ) ) { 1493 $result['status'] = 'critical'; 1494 1495 $result['label'] = __( 'It was not possible to check your scheduled events' ); 1496 1497 $result['description'] = sprintf( 1498 '<p>%s</p>', 1499 sprintf( 1500 /* translators: %s: The error message returned while from the cron scheduler. */ 1501 __( 'While trying to test your site’s scheduled events, the following error was returned: %s' ), 1502 $this->has_missed_cron()->get_error_message() 1503 ) 1504 ); 1505 } elseif ( $this->has_missed_cron() ) { 1506 $result['status'] = 'recommended'; 1507 1508 $result['label'] = __( 'A scheduled event has failed' ); 1509 1510 $result['description'] = sprintf( 1511 '<p>%s</p>', 1512 sprintf( 1513 /* translators: %s: The name of the failed cron event. */ 1514 __( 'The scheduled event, %s, failed to run. Your site still works, but this may indicate that scheduling posts or automated updates may not work as intended.' ), 1515 $this->last_missed_cron 1516 ) 1517 ); 1518 } elseif ( $this->has_late_cron() ) { 1519 $result['status'] = 'recommended'; 1520 1521 $result['label'] = __( 'A scheduled event is late' ); 1522 1523 $result['description'] = sprintf( 1524 '<p>%s</p>', 1525 sprintf( 1526 /* translators: %s: The name of the late cron event. */ 1527 __( 'The scheduled event, %s, is late to run. Your site still works, but this may indicate that scheduling posts or automated updates may not work as intended.' ), 1528 $this->last_late_cron 1529 ) 1530 ); 1531 } 1532 1533 return $result; 1534 } 1535 1536 /** 1537 * Test if WordPress can run automated background updates. 1538 * 1539 * Background updates in WordPress are primarily used for minor releases and security updates. It's important 1540 * to either have these working, or be aware that they are intentionally disabled for whatever reason. 1541 * 1542 * @since 5.2.0 1543 * 1544 * @return array The test results. 1545 */ 1546 public function get_test_background_updates() { 1547 $result = array( 1548 'label' => __( 'Background updates are working' ), 1549 'status' => 'good', 1550 'badge' => array( 1551 'label' => __( 'Security' ), 1552 'color' => 'blue', 1553 ), 1554 'description' => sprintf( 1555 '<p>%s</p>', 1556 __( 'Background updates ensure that WordPress can auto-update if a security update is released for the version you are currently using.' ) 1557 ), 1558 'actions' => '', 1559 'test' => 'background_updates', 1560 ); 1561 1562 if ( ! class_exists( 'WP_Site_Health_Auto_Updates' ) ) { 1563 require_once ( ABSPATH . 'wp-admin/includes/class-wp-site-health-auto-updates.php' ); 1564 } 1565 1566 // Run the auto-update tests in a separate class, 1567 // as there are many considerations to be made. 1568 $automatic_updates = new WP_Site_Health_Auto_Updates(); 1569 $tests = $automatic_updates->run_tests(); 1570 1571 $output = '<ul>'; 1572 1573 foreach ( $tests as $test ) { 1574 $severity_string = __( 'Passed' ); 1575 1576 if ( 'fail' === $test->severity ) { 1577 $result['label'] = __( 'Background updates are not working as expected' ); 1578 1579 $result['status'] = 'critical'; 1580 1581 $severity_string = __( 'Error' ); 1582 } 1583 1584 if ( 'warning' === $test->severity && 'good' === $result['status'] ) { 1585 $result['label'] = __( 'Background updates may not be working properly' ); 1586 1587 $result['status'] = 'recommended'; 1588 1589 $severity_string = __( 'Warning' ); 1590 } 1591 1592 $output .= sprintf( 1593 '<li><span class="dashicons %s"><span class="screen-reader-text">%s</span></span> %s</li>', 1594 esc_attr( $test->severity ), 1595 $severity_string, 1596 $test->description 1597 ); 1598 } 1599 1600 $output .= '</ul>'; 1601 1602 if ( 'good' !== $result['status'] ) { 1603 $result['description'] .= sprintf( 1604 '<p>%s</p>', 1605 $output 1606 ); 1607 } 1608 1609 return $result; 1610 } 1611 1612 /** 1613 * Test if loopbacks work as expected. 1614 * 1615 * A loopback is when WordPress queries itself, for example to start a new WP_Cron instance, or when editing a 1616 * plugin or theme. This has shown itself to be a recurring issue as code can very easily break this interaction. 1617 * 1618 * @since 5.2.0 1619 * 1620 * @return array The test results. 1621 */ 1622 public function get_test_loopback_requests() { 1623 $result = array( 1624 'label' => __( 'Your site can perform loopback requests' ), 1625 'status' => 'good', 1626 'badge' => array( 1627 'label' => __( 'Performance' ), 1628 'color' => 'blue', 1629 ), 1630 'description' => sprintf( 1631 '<p>%s</p>', 1632 __( 'Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability.' ) 1633 ), 1634 'actions' => '', 1635 'test' => 'loopback_requests', 1636 ); 1637 1638 $check_loopback = $this->can_perform_loopback(); 1639 1640 $result['status'] = $check_loopback->status; 1641 1642 if ( 'good' !== $check_loopback->status ) { 1643 $result['label'] = __( 'Your site could not complete a loopback request' ); 1644 1645 $result['description'] .= sprintf( 1646 '<p>%s</p>', 1647 $check_loopback->message 1648 ); 1649 } 1650 1651 return $result; 1652 } 1653 1654 /** 1655 * Test if HTTP requests are blocked. 1656 * 1657 * It's possible to block all outgoing communication (with the possibility of whitelisting hosts) via the 1658 * HTTP API. This may create problems for users as many features are running as services these days. 1659 * 1660 * @since 5.2.0 1661 * 1662 * @return array The test results. 1663 */ 1664 public function get_test_http_requests() { 1665 $result = array( 1666 'label' => __( 'HTTP requests seem to be working as expected' ), 1667 'status' => 'good', 1668 'badge' => array( 1669 'label' => __( 'Performance' ), 1670 'color' => 'blue', 1671 ), 1672 'description' => sprintf( 1673 '<p>%s</p>', 1674 __( 'It is possible for site maintainers to block all, or some, communication to other sites and services. If set up incorrectly, this may prevent plugins and themes from working as intended.' ) 1675 ), 1676 'actions' => '', 1677 'test' => 'http_requests', 1678 ); 1679 1680 $blocked = false; 1681 $hosts = array(); 1682 1683 if ( defined( 'WP_HTTP_BLOCK_EXTERNAL' ) && WP_HTTP_BLOCK_EXTERNAL ) { 1684 $blocked = true; 1685 } 1686 1687 if ( defined( 'WP_ACCESSIBLE_HOSTS' ) ) { 1688 $hosts = explode( ',', WP_ACCESSIBLE_HOSTS ); 1689 } 1690 1691 if ( $blocked && 0 === sizeof( $hosts ) ) { 1692 $result['status'] = 'critical'; 1693 1694 $result['label'] = __( 'HTTP requests are blocked' ); 1695 1696 $result['description'] .= sprintf( 1697 '<p>%s</p>', 1698 sprintf( 1699 /* translators: %s: Name of the constant used. */ 1700 __( 'HTTP requests have been blocked by the %s constant, with no allowed hosts.' ), 1701 '<code>WP_HTTP_BLOCK_EXTERNAL</code>' 1702 ) 1703 ); 1704 } 1705 1706 if ( $blocked && 0 < sizeof( $hosts ) ) { 1707 $result['status'] = 'recommended'; 1708 1709 $result['label'] = __( 'HTTP requests are partially blocked' ); 1710 1711 $result['description'] .= sprintf( 1712 '<p>%s</p>', 1713 sprintf( 1714 /* translators: 1: Name of the constant used. 2: List of hostnames whitelisted. */ 1715 __( 'HTTP requests have been blocked by the %1$s constant, with some hosts whitelisted: %2$s.' ), 1716 '<code>WP_HTTP_BLOCK_EXTERNAL</code>', 1717 implode( ',', $hosts ) 1718 ) 1719 ); 1720 } 1721 1722 return $result; 1723 } 1724 1725 /** 1726 * Test if the REST API is accessible. 1727 * 1728 * Various security measures may block the REST API from working, or it may have been disabled in general. 1729 * This is required for the new block editor to work, so we explicitly test for this. 1730 * 1731 * @since 5.2.0 1732 * 1733 * @return array The test results. 1734 */ 1735 public function get_test_rest_availability() { 1736 $result = array( 1737 'label' => __( 'The REST API is available' ), 1738 'status' => 'good', 1739 'badge' => array( 1740 'label' => __( 'Performance' ), 1741 'color' => 'blue', 1742 ), 1743 'description' => sprintf( 1744 '<p>%s</p>', 1745 __( 'The REST API is one way WordPress, and other applications, communicate with the server. One example is the block editor screen, which relies on this to display, and save, your posts and pages.' ) 1746 ), 1747 'actions' => '', 1748 'test' => 'rest_availability', 1749 ); 1750 1751 $cookies = wp_unslash( $_COOKIE ); 1752 $timeout = 10; 1753 $headers = array( 1754 'Cache-Control' => 'no-cache', 1755 'X-WP-Nonce' => wp_create_nonce( 'wp_rest' ), 1756 ); 1757 /** This filter is documented in wp-includes/class-wp-http-streams.php */ 1758 $sslverify = apply_filters( 'https_local_ssl_verify', false ); 1759 1760 // Include Basic auth in loopback requests. 1761 if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) { 1762 $headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) ); 1763 } 1764 1765 $url = rest_url( 'wp/v2/types/post' ); 1766 1767 // The context for this is editing with the new block editor. 1768 $url = add_query_arg( 1769 array( 1770 'context' => 'edit', 1771 ), 1772 $url 1773 ); 1774 1775 $r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout', 'sslverify' ) ); 1776 1777 if ( is_wp_error( $r ) ) { 1778 $result['status'] = 'critical'; 1779 1780 $result['label'] = __( 'The REST API encountered an error' ); 1781 1782 $result['description'] .= sprintf( 1783 '<p>%s</p>', 1784 sprintf( 1785 '%s<br>%s', 1786 __( 'The REST API request failed due to an error.' ), 1787 sprintf( 1788 /* translators: 1: The HTTP response code. 2: The error message returned. */ 1789 __( 'Error: [%1$s] %2$s' ), 1790 wp_remote_retrieve_response_code( $r ), 1791 $r->get_error_message() 1792 ) 1793 ) 1794 ); 1795 } elseif ( 200 !== wp_remote_retrieve_response_code( $r ) ) { 1796 $result['status'] = 'recommended'; 1797 1798 $result['label'] = __( 'The REST API encountered an unexpected result' ); 1799 1800 $result['description'] .= sprintf( 1801 '<p>%s</p>', 1802 sprintf( 1803 /* translators: 1: The HTTP response code returned. 2: The error message returned. */ 1804 __( 'The REST API call gave the following unexpected result: (%1$d) %2$s.' ), 1805 wp_remote_retrieve_response_code( $r ), 1806 wp_remote_retrieve_body( $r ) 1807 ) 1808 ); 1809 } else { 1810 $json = json_decode( wp_remote_retrieve_body( $r ), true ); 1811 1812 if ( false !== $json && ! isset( $json['capabilities'] ) ) { 1813 $result['status'] = 'recommended'; 1814 1815 $result['label'] = __( 'The REST API did not behave correctly' ); 1816 1817 $result['description'] .= sprintf( 1818 '<p>%s</p>', 1819 sprintf( 1820 /* translators: %s: The name of the query parameter being tested. */ 1821 __( 'The REST API did not process the %s query parameter correctly.' ), 1822 '<code>context</code>' 1823 ) 1824 ); 1825 } 1826 } 1827 1828 return $result; 1829 } 1830 1831 /** 1832 * Return a set of tests that belong to the site status page. 1833 * 1834 * Each site status test is defined here, they may be `direct` tests, that run on page load, or `async` tests 1835 * which will run later down the line via JavaScript calls to improve page performance and hopefully also user 1836 * experiences. 1837 * 1838 * @since 5.2.0 1839 * 1840 * @return array The list of tests to run. 1841 */ 1842 public static function get_tests() { 1843 $tests = array( 1844 'direct' => array( 1845 'wordpress_version' => array( 1846 'label' => __( 'WordPress Version' ), 1847 'test' => 'wordpress_version', 1848 ), 1849 'plugin_version' => array( 1850 'label' => __( 'Plugin Versions' ), 1851 'test' => 'plugin_version', 1852 ), 1853 'theme_version' => array( 1854 'label' => __( 'Theme Versions' ), 1855 'test' => 'theme_version', 1856 ), 1857 'php_version' => array( 1858 'label' => __( 'PHP Version' ), 1859 'test' => 'php_version', 1860 ), 1861 'sql_server' => array( 1862 'label' => __( 'Database Server version' ), 1863 'test' => 'sql_server', 1864 ), 1865 'php_extensions' => array( 1866 'label' => __( 'PHP Extensions' ), 1867 'test' => 'php_extensions', 1868 ), 1869 'utf8mb4_support' => array( 1870 'label' => __( 'MySQL utf8mb4 support' ), 1871 'test' => 'utf8mb4_support', 1872 ), 1873 'https_status' => array( 1874 'label' => __( 'HTTPS status' ), 1875 'test' => 'https_status', 1876 ), 1877 'ssl_support' => array( 1878 'label' => __( 'Secure communication' ), 1879 'test' => 'ssl_support', 1880 ), 1881 'scheduled_events' => array( 1882 'label' => __( 'Scheduled events' ), 1883 'test' => 'scheduled_events', 1884 ), 1885 'http_requests' => array( 1886 'label' => __( 'HTTP Requests' ), 1887 'test' => 'http_requests', 1888 ), 1889 'debug_enabled' => array( 1890 'label' => __( 'Debugging enabled' ), 1891 'test' => 'is_in_debug_mode', 1892 ), 1893 ), 1894 'async' => array( 1895 'dotorg_communication' => array( 1896 'label' => __( 'Communication with WordPress.org' ), 1897 'test' => 'dotorg_communication', 1898 ), 1899 'background_updates' => array( 1900 'label' => __( 'Background updates' ), 1901 'test' => 'background_updates', 1902 ), 1903 'loopback_requests' => array( 1904 'label' => __( 'Loopback request' ), 1905 'test' => 'loopback_requests', 1906 ), 1907 ), 1908 ); 1909 1910 // Conditionally include REST rules if the function for it exists. 1911 if ( function_exists( 'rest_url' ) ) { 1912 $tests['direct']['rest_availability'] = array( 1913 'label' => __( 'REST API availability' ), 1914 'test' => 'rest_availability', 1915 ); 1916 } 1917 1918 /** 1919 * Add or modify which site status tests are run on a site. 1920 * 1921 * The site health is determined by a set of tests based on best practices from 1922 * both the WordPress Hosting Team, but also web standards in general. 1923 * 1924 * Some sites may not have the same requirements, for example the automatic update 1925 * checks may be handled by a host, and are therefore disabled in core. 1926 * Or maybe you want to introduce a new test, is caching enabled/disabled/stale for example. 1927 * 1928 * Tests may be added either as direct, or asynchronous ones. Any test that may require some time 1929 * to complete should run asynchronously, to avoid extended loading periods within wp-admin. 1930 * 1931 * @since 5.2.0 1932 * 1933 * @param array $test_type { 1934 * An associative array, where the `$test_type` is either `direct` or 1935 * `async`, to declare if the test should run via AJAX calls after page load. 1936 * 1937 * @type array $identifier { 1938 * `$identifier` should be a unique identifier for the test that should run. 1939 * Plugins and themes are encouraged to prefix test identifiers with their slug 1940 * to avoid any collisions between tests. 1941 * 1942 * @type string $label A friendly label for your test to identify it by. 1943 * @type mixed $test A callable to perform a direct test, or a string AJAX action to be called 1944 * to perform an async test. 1945 * } 1946 * } 1947 */ 1948 $tests = apply_filters( 'site_status_tests', $tests ); 1949 1950 return $tests; 1951 } 1952 1953 /** 1954 * Add a class to the body HTML tag. 1955 * 1956 * Filters the body class string for admin pages and adds our own class for easier styling. 1957 * 1958 * @since 5.2.0 1959 * 1960 * @param string $body_class The body class string. 1961 * @return string The modified body class string. 1962 */ 1963 public function admin_body_class( $body_class ) { 1964 $body_class .= ' site-health'; 1965 1966 return $body_class; 1967 } 1968 1969 /** 1970 * Initiate the WP_Cron schedule test cases. 1971 * 1972 * @since 5.2.0 1973 */ 1974 private function wp_schedule_test_init() { 1975 $this->schedules = wp_get_schedules(); 1976 $this->get_cron_tasks(); 1977 } 1978 1979 /** 1980 * Populate our list of cron events and store them to a class-wide variable. 1981 * 1982 * @since 5.2.0 1983 */ 1984 private function get_cron_tasks() { 1985 $cron_tasks = _get_cron_array(); 1986 1987 if ( empty( $cron_tasks ) ) { 1988 $this->crons = new WP_Error( 'no_tasks', __( 'No scheduled events exist on this site.' ) ); 1989 return; 1990 } 1991 1992 $this->crons = array(); 1993 1994 foreach ( $cron_tasks as $time => $cron ) { 1995 foreach ( $cron as $hook => $dings ) { 1996 foreach ( $dings as $sig => $data ) { 1997 1998 $this->crons[ "$hook-$sig-$time" ] = (object) array( 1999 'hook' => $hook, 2000 'time' => $time, 2001 'sig' => $sig, 2002 'args' => $data['args'], 2003 'schedule' => $data['schedule'], 2004 'interval' => isset( $data['interval'] ) ? $data['interval'] : null, 2005 ); 2006 2007 } 2008 } 2009 } 2010 } 2011 2012 /** 2013 * Check if any scheduled tasks have been missed. 2014 * 2015 * Returns a boolean value of `true` if a scheduled task has been missed and ends processing. If the list of 2016 * crons is an instance of WP_Error, return the instance instead of a boolean value. 2017 * 2018 * @since 5.2.0 2019 * 2020 * @return bool|WP_Error True if a cron was missed, false if not. WP_Error if the cron is set to that. 2021 */ 2022 public function has_missed_cron() { 2023 if ( is_wp_error( $this->crons ) ) { 2024 return $this->crons; 2025 } 2026 2027 foreach ( $this->crons as $id => $cron ) { 2028 if ( ( $cron->time - time() ) < $this->timeout_missed_cron ) { 2029 $this->last_missed_cron = $cron->hook; 2030 return true; 2031 } 2032 } 2033 2034 return false; 2035 } 2036 2037 /** 2038 * Check if any scheduled tasks are late. 2039 * 2040 * Returns a boolean value of `true` if a scheduled task is late and ends processing. If the list of 2041 * crons is an instance of WP_Error, return the instance instead of a boolean value. 2042 * 2043 * @since 5.3.0 2044 * 2045 * @return bool|WP_Error True if a cron is late, false if not. WP_Error if the cron is set to that. 2046 */ 2047 public function has_late_cron() { 2048 if ( is_wp_error( $this->crons ) ) { 2049 return $this->crons; 2050 } 2051 2052 foreach ( $this->crons as $id => $cron ) { 2053 $cron_offset = $cron->time - time(); 2054 if ( 2055 $cron_offset >= $this->timeout_missed_cron && 2056 $cron_offset < $this->timeout_late_cron 2057 ) { 2058 $this->last_late_cron = $cron->hook; 2059 return true; 2060 } 2061 } 2062 2063 return false; 2064 } 2065 2066 /** 2067 * Run a loopback test on our site. 2068 * 2069 * Loopbacks are what WordPress uses to communicate with itself to start up WP_Cron, scheduled posts, 2070 * make sure plugin or theme edits don't cause site failures and similar. 2071 * 2072 * @since 5.2.0 2073 * 2074 * @return object The test results. 2075 */ 2076 function can_perform_loopback() { 2077 $cookies = wp_unslash( $_COOKIE ); 2078 $timeout = 10; 2079 $headers = array( 2080 'Cache-Control' => 'no-cache', 2081 ); 2082 /** This filter is documented in wp-includes/class-wp-http-streams.php */ 2083 $sslverify = apply_filters( 'https_local_ssl_verify', false ); 2084 2085 // Include Basic auth in loopback requests. 2086 if ( isset( $_SERVER['PHP_AUTH_USER'] ) && isset( $_SERVER['PHP_AUTH_PW'] ) ) { 2087 $headers['Authorization'] = 'Basic ' . base64_encode( wp_unslash( $_SERVER['PHP_AUTH_USER'] ) . ':' . wp_unslash( $_SERVER['PHP_AUTH_PW'] ) ); 2088 } 2089 2090 $url = admin_url(); 2091 2092 $r = wp_remote_get( $url, compact( 'cookies', 'headers', 'timeout', 'sslverify' ) ); 2093 2094 if ( is_wp_error( $r ) ) { 2095 return (object) array( 2096 'status' => 'critical', 2097 'message' => sprintf( 2098 '%s<br>%s', 2099 __( 'The loopback request to your site failed, this means features relying on them are not currently working as expected.' ), 2100 sprintf( 2101 /* translators: 1: The HTTP response code. 2: The error message returned. */ 2102 __( 'Error: [%1$s] %2$s' ), 2103 wp_remote_retrieve_response_code( $r ), 2104 $r->get_error_message() 2105 ) 2106 ), 2107 ); 2108 } 2109 2110 if ( 200 !== wp_remote_retrieve_response_code( $r ) ) { 2111 return (object) array( 2112 'status' => 'recommended', 2113 'message' => sprintf( 2114 /* translators: %d: The HTTP response code returned. */ 2115 __( 'The loopback request returned an unexpected http status code, %d, it was not possible to determine if this will prevent features from working as expected.' ), 2116 wp_remote_retrieve_response_code( $r ) 2117 ), 2118 ); 2119 } 2120 2121 return (object) array( 2122 'status' => 'good', 2123 'message' => __( 'The loopback request to your site completed successfully.' ), 2124 ); 2125 } 2126 }
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| Generated: Wed Oct 23 08:20:01 2019 | Cross-referenced by PHPXref 0.7 |