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1 <?php 2 /** 3 * Upgrade API: Plugin_Upgrader class 4 * 5 * @package WordPress 6 * @subpackage Upgrader 7 * @since 4.6.0 8 */ 9 10 /** 11 * Core class used for upgrading/installing plugins. 12 * 13 * It is designed to upgrade/install plugins from a local zip, remote zip URL, 14 * or uploaded zip file. 15 * 16 * @since 2.8.0 17 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader.php. 18 * 19 * @see WP_Upgrader 20 */ 21 class Plugin_Upgrader extends WP_Upgrader { 22 23 /** 24 * Plugin upgrade result. 25 * 26 * @since 2.8.0 27 * @var array|WP_Error|null $result 28 * @phpstan-var non-empty-array<string, mixed>|WP_Error|null 29 * 30 * @see WP_Upgrader::$result 31 */ 32 public $result; 33 34 /** 35 * Whether a bulk upgrade/installation is being performed. 36 * 37 * @since 2.9.0 38 * @var bool $bulk 39 */ 40 public $bulk = false; 41 42 /** 43 * New plugin info. 44 * 45 * @since 5.5.0 46 * @var array $new_plugin_data 47 * 48 * @see check_package() 49 */ 50 public $new_plugin_data = array(); 51 52 /** 53 * Initializes the upgrade strings. 54 * 55 * @since 2.8.0 56 */ 57 public function upgrade_strings() { 58 $this->strings['up_to_date'] = __( 'The plugin is at the latest version.' ); 59 $this->strings['no_package'] = __( 'Update package not available.' ); 60 /* translators: %s: Package URL. */ 61 $this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s…' ), '<span class="code pre">%s</span>' ); 62 $this->strings['unpack_package'] = __( 'Unpacking the update…' ); 63 $this->strings['remove_old'] = __( 'Removing the old version of the plugin…' ); 64 $this->strings['remove_old_failed'] = __( 'Could not remove the old plugin.' ); 65 $this->strings['process_failed'] = __( 'Plugin update failed.' ); 66 $this->strings['process_success'] = __( 'Plugin updated successfully.' ); 67 $this->strings['process_bulk_success'] = __( 'Plugins updated successfully.' ); 68 } 69 70 /** 71 * Initializes the installation strings. 72 * 73 * @since 2.8.0 74 */ 75 public function install_strings() { 76 $this->strings['no_package'] = __( 'Installation package not available.' ); 77 /* translators: %s: Package URL. */ 78 $this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s…' ), '<span class="code pre">%s</span>' ); 79 $this->strings['unpack_package'] = __( 'Unpacking the package…' ); 80 $this->strings['installing_package'] = __( 'Installing the plugin…' ); 81 $this->strings['remove_old'] = __( 'Removing the current plugin…' ); 82 $this->strings['remove_old_failed'] = __( 'Could not remove the current plugin.' ); 83 $this->strings['no_files'] = __( 'The plugin contains no files.' ); 84 $this->strings['process_failed'] = __( 'Plugin installation failed.' ); 85 $this->strings['process_success'] = __( 'Plugin installed successfully.' ); 86 /* translators: 1: Plugin name, 2: Plugin version. */ 87 $this->strings['process_success_specific'] = __( 'Successfully installed the plugin <strong>%1$s %2$s</strong>.' ); 88 89 if ( ! empty( $this->skin->overwrite ) ) { 90 if ( 'update-plugin' === $this->skin->overwrite ) { 91 $this->strings['installing_package'] = __( 'Updating the plugin…' ); 92 $this->strings['process_failed'] = __( 'Plugin update failed.' ); 93 $this->strings['process_success'] = __( 'Plugin updated successfully.' ); 94 } 95 96 if ( 'downgrade-plugin' === $this->skin->overwrite ) { 97 $this->strings['installing_package'] = __( 'Downgrading the plugin…' ); 98 $this->strings['process_failed'] = __( 'Plugin downgrade failed.' ); 99 $this->strings['process_success'] = __( 'Plugin downgraded successfully.' ); 100 } 101 } 102 } 103 104 /** 105 * Install a plugin package. 106 * 107 * @since 2.8.0 108 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 109 * 110 * @param string $package The full local path or URI of the package. 111 * @param array $args { 112 * Optional. Other arguments for installing a plugin package. Default empty array. 113 * 114 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. 115 * Default true. 116 * } 117 * @return bool|WP_Error|null True if the installation was successful, false or a WP_Error otherwise. 118 * Null if the installation failed before the package was installed, for 119 * example when the package could not be downloaded. 120 */ 121 public function install( $package, $args = array() ) { 122 $defaults = array( 123 'clear_update_cache' => true, 124 'overwrite_package' => false, // Do not overwrite files. 125 ); 126 $parsed_args = wp_parse_args( $args, $defaults ); 127 128 $this->init(); 129 $this->install_strings(); 130 131 add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 132 133 if ( $parsed_args['clear_update_cache'] ) { 134 // Clear cache so wp_update_plugins() knows about the new plugin. 135 add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 ); 136 } 137 138 $this->run( 139 array( 140 'package' => $package, 141 'destination' => WP_PLUGIN_DIR, 142 'clear_destination' => $parsed_args['overwrite_package'], 143 'clear_working' => true, 144 'hook_extra' => array( 145 'type' => 'plugin', 146 'action' => 'install', 147 ), 148 ) 149 ); 150 151 remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 ); 152 remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 153 154 if ( ! $this->result || is_wp_error( $this->result ) ) { 155 return $this->result; 156 } 157 158 // Force refresh of plugin update information. 159 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 160 161 if ( $parsed_args['overwrite_package'] ) { 162 /** 163 * Fires when the upgrader has successfully overwritten a currently installed 164 * plugin or theme with an uploaded zip package. 165 * 166 * @since 5.5.0 167 * 168 * @param string $package The package file. 169 * @param array $data The new plugin or theme data. 170 * @param string $package_type The package type ('plugin' or 'theme'). 171 */ 172 do_action( 'upgrader_overwrote_package', $package, $this->new_plugin_data, 'plugin' ); 173 } 174 175 return true; 176 } 177 178 /** 179 * Upgrades a plugin. 180 * 181 * @since 2.8.0 182 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 183 * 184 * @param string $plugin Path to the plugin file relative to the plugins directory. 185 * @param array $args { 186 * Optional. Other arguments for upgrading a plugin package. Default empty array. 187 * 188 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. 189 * Default true. 190 * } 191 * @return bool|WP_Error|null True if the upgrade was successful, false or a WP_Error object otherwise. 192 * Null if the upgrade failed before the package was installed, for example 193 * when the package could not be downloaded. 194 */ 195 public function upgrade( $plugin, $args = array() ) { 196 $defaults = array( 197 'clear_update_cache' => true, 198 ); 199 $parsed_args = wp_parse_args( $args, $defaults ); 200 201 $this->init(); 202 $this->upgrade_strings(); 203 204 $current = get_site_transient( 'update_plugins' ); 205 if ( ! isset( $current->response[ $plugin ] ) ) { 206 $this->skin->before(); 207 $this->skin->set_result( false ); 208 $this->skin->error( 'up_to_date' ); 209 $this->skin->after(); 210 return false; 211 } 212 213 // Get the URL to the zip file. 214 $upgrade_data = $current->response[ $plugin ]; 215 216 add_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ), 10, 2 ); 217 add_filter( 'upgrader_pre_install', array( $this, 'active_before' ), 10, 2 ); 218 add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 ); 219 add_filter( 'upgrader_post_install', array( $this, 'active_after' ), 10, 2 ); 220 /* 221 * There's a Trac ticket to move up the directory for zips which are made a bit differently, useful for non-.org plugins. 222 * 'source_selection' => array( $this, 'source_selection' ), 223 */ 224 if ( $parsed_args['clear_update_cache'] ) { 225 // Clear cache so wp_update_plugins() knows about the new plugin. 226 add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 ); 227 } 228 229 $this->run( 230 array( 231 'package' => $upgrade_data->package, 232 'destination' => WP_PLUGIN_DIR, 233 'clear_destination' => true, 234 'clear_working' => true, 235 'hook_extra' => array( 236 'plugin' => $plugin, 237 'type' => 'plugin', 238 'action' => 'update', 239 'temp_backup' => array( 240 'slug' => dirname( $plugin ), 241 'src' => WP_PLUGIN_DIR, 242 'dir' => 'plugins', 243 ), 244 ), 245 ) 246 ); 247 248 // Cleanup our hooks, in case something else does an upgrade on this connection. 249 remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 ); 250 remove_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ) ); 251 remove_filter( 'upgrader_pre_install', array( $this, 'active_before' ) ); 252 remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) ); 253 remove_filter( 'upgrader_post_install', array( $this, 'active_after' ) ); 254 255 if ( ! $this->result || is_wp_error( $this->result ) ) { 256 return $this->result; 257 } 258 259 // Force refresh of plugin update information. 260 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 261 262 /* 263 * Ensure any future auto-update failures trigger a failure email by removing 264 * the last failure notification from the list when plugins update successfully. 265 */ 266 $past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() ); 267 268 if ( isset( $past_failure_emails[ $plugin ] ) ) { 269 unset( $past_failure_emails[ $plugin ] ); 270 update_option( 'auto_plugin_theme_update_emails', $past_failure_emails ); 271 } 272 273 return true; 274 } 275 276 /** 277 * Upgrades several plugins at once. 278 * 279 * @since 2.8.0 280 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 281 * 282 * @param string[] $plugins Array of paths to plugin files relative to the plugins directory. 283 * @param array $args { 284 * Optional. Other arguments for upgrading several plugins at once. 285 * 286 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. Default true. 287 * } 288 * @return array|false An array of results indexed by plugin file, or false if unable to connect to the filesystem. 289 */ 290 public function bulk_upgrade( $plugins, $args = array() ) { 291 $wp_version = wp_get_wp_version(); 292 293 $defaults = array( 294 'clear_update_cache' => true, 295 ); 296 $parsed_args = wp_parse_args( $args, $defaults ); 297 298 $this->init(); 299 $this->bulk = true; 300 $this->upgrade_strings(); 301 302 $current = get_site_transient( 'update_plugins' ); 303 304 add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 ); 305 306 $this->skin->header(); 307 308 // Connect to the filesystem first. 309 $connected = $this->fs_connect( array( WP_CONTENT_DIR, WP_PLUGIN_DIR ) ); 310 if ( ! $connected ) { 311 $this->skin->footer(); 312 return false; 313 } 314 315 $this->skin->bulk_header(); 316 317 /* 318 * Only start maintenance mode if: 319 * - running Multisite and there are one or more plugins specified, OR 320 * - a plugin with an update available is currently active. 321 * @todo For multisite, maintenance mode should only kick in for individual sites if at all possible. 322 */ 323 $maintenance = ( is_multisite() && ! empty( $plugins ) ); 324 foreach ( $plugins as $plugin ) { 325 $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin ] ) ); 326 } 327 if ( $maintenance ) { 328 $this->maintenance_mode( true ); 329 } 330 331 $results = array(); 332 333 $this->update_count = count( $plugins ); 334 $this->update_current = 0; 335 foreach ( $plugins as $plugin ) { 336 ++$this->update_current; 337 $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true ); 338 339 if ( ! isset( $current->response[ $plugin ] ) ) { 340 $this->skin->set_result( 'up_to_date' ); 341 $this->skin->before(); 342 $this->skin->feedback( 'up_to_date' ); 343 $this->skin->after(); 344 $results[ $plugin ] = true; 345 continue; 346 } 347 348 // Get the URL to the zip file. 349 $upgrade_data = $current->response[ $plugin ]; 350 351 $this->skin->plugin_active = is_plugin_active( $plugin ); 352 353 if ( isset( $upgrade_data->requires ) && ! is_wp_version_compatible( $upgrade_data->requires ) ) { 354 $result = new WP_Error( 355 'incompatible_wp_required_version', 356 sprintf( 357 /* translators: 1: Current WordPress version, 2: WordPress version required by the new plugin version. */ 358 __( 'Your WordPress version is %1$s, however the new plugin version requires %2$s.' ), 359 $wp_version, 360 $upgrade_data->requires 361 ) 362 ); 363 364 $this->skin->before(); 365 $this->skin->error( $result ); 366 $this->skin->after(); 367 } elseif ( isset( $upgrade_data->requires_php ) && ! is_php_version_compatible( $upgrade_data->requires_php ) ) { 368 $result = new WP_Error( 369 'incompatible_php_required_version', 370 sprintf( 371 /* translators: 1: Current PHP version, 2: PHP version required by the new plugin version. */ 372 __( 'The PHP version on your server is %1$s, however the new plugin version requires %2$s.' ), 373 PHP_VERSION, 374 $upgrade_data->requires_php 375 ) 376 ); 377 378 $this->skin->before(); 379 $this->skin->error( $result ); 380 $this->skin->after(); 381 } else { 382 add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 383 $result = $this->run( 384 array( 385 'package' => $upgrade_data->package, 386 'destination' => WP_PLUGIN_DIR, 387 'clear_destination' => true, 388 'clear_working' => true, 389 'is_multi' => true, 390 'hook_extra' => array( 391 'plugin' => $plugin, 392 'temp_backup' => array( 393 'slug' => dirname( $plugin ), 394 'src' => WP_PLUGIN_DIR, 395 'dir' => 'plugins', 396 ), 397 ), 398 ) 399 ); 400 remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 401 } 402 403 $results[ $plugin ] = $result; 404 405 // Prevent credentials auth screen from displaying multiple times. 406 if ( false === $result ) { 407 break; 408 } 409 } // End foreach $plugins. 410 411 $this->maintenance_mode( false ); 412 413 // Force refresh of plugin update information. 414 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 415 416 /** This action is documented in wp-admin/includes/class-wp-upgrader.php */ 417 do_action( 418 'upgrader_process_complete', 419 $this, 420 array( 421 'action' => 'update', 422 'type' => 'plugin', 423 'bulk' => true, 424 'plugins' => $plugins, 425 ) 426 ); 427 428 $this->skin->bulk_footer(); 429 430 $this->skin->footer(); 431 432 // Cleanup our hooks, in case something else does an upgrade on this connection. 433 remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) ); 434 435 /* 436 * Ensure any future auto-update failures trigger a failure email by removing 437 * the last failure notification from the list when plugins update successfully. 438 */ 439 $past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() ); 440 441 foreach ( $results as $plugin => $result ) { 442 // Maintain last failure notification when plugins failed to update manually. 443 if ( ! $result || is_wp_error( $result ) || ! isset( $past_failure_emails[ $plugin ] ) ) { 444 continue; 445 } 446 447 unset( $past_failure_emails[ $plugin ] ); 448 } 449 450 update_option( 'auto_plugin_theme_update_emails', $past_failure_emails ); 451 452 return $results; 453 } 454 455 /** 456 * Checks that the source package contains a valid plugin. 457 * 458 * Hooked to the {@see 'upgrader_source_selection'} filter by Plugin_Upgrader::install(). 459 * 460 * @since 3.3.0 461 * 462 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 463 * 464 * @param string $source The path to the downloaded package source. 465 * @return string|WP_Error The source as passed, or a WP_Error object on failure. 466 */ 467 public function check_package( $source ) { 468 global $wp_filesystem; 469 470 $wp_version = wp_get_wp_version(); 471 $this->new_plugin_data = array(); 472 473 if ( is_wp_error( $source ) ) { 474 return $source; 475 } 476 477 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit( WP_CONTENT_DIR ), $source ); 478 if ( ! is_dir( $working_directory ) ) { // Confidence check, if the above fails, let's not prevent installation. 479 return $source; 480 } 481 482 // Check that the folder contains at least 1 valid plugin. 483 $files = glob( $working_directory . '*.php' ); 484 if ( $files ) { 485 foreach ( $files as $file ) { 486 $new_plugin_data = get_plugin_data( $file, false, false ); 487 if ( ! empty( $new_plugin_data['Name'] ) ) { 488 $this->new_plugin_data = $new_plugin_data; 489 break; 490 } 491 } 492 } 493 494 if ( empty( $this->new_plugin_data ) ) { 495 return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); 496 } 497 498 $requires_php = $new_plugin_data['RequiresPHP'] ?? null; 499 $requires_wp = $new_plugin_data['RequiresWP'] ?? null; 500 501 if ( ! is_php_version_compatible( $requires_php ) ) { 502 $error = sprintf( 503 /* translators: 1: Current PHP version, 2: Version required by the uploaded plugin. */ 504 __( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ), 505 PHP_VERSION, 506 $requires_php 507 ); 508 509 return new WP_Error( 'incompatible_php_required_version', $this->strings['incompatible_archive'], $error ); 510 } 511 512 if ( ! is_wp_version_compatible( $requires_wp ) ) { 513 $error = sprintf( 514 /* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */ 515 __( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ), 516 $wp_version, 517 $requires_wp 518 ); 519 520 return new WP_Error( 'incompatible_wp_required_version', $this->strings['incompatible_archive'], $error ); 521 } 522 523 return $source; 524 } 525 526 /** 527 * Retrieves the path to the file that contains the plugin info. 528 * 529 * This isn't used internally in the class, but is called by the skins. 530 * 531 * @since 2.8.0 532 * 533 * @return string|false The full path to the main plugin file, or false. 534 */ 535 public function plugin_info() { 536 if ( ! is_array( $this->result ) ) { 537 return false; 538 } 539 if ( empty( $this->result['destination_name'] ) ) { 540 return false; 541 } 542 543 // Ensure to pass with leading slash. 544 $plugin = get_plugins( '/' . $this->result['destination_name'] ); 545 if ( empty( $plugin ) ) { 546 return false; 547 } 548 549 // Assume the requested plugin is the first in the list. 550 return $this->result['destination_name'] . '/' . array_key_first( $plugin ); 551 } 552 553 /** 554 * Deactivates a plugin before it is upgraded. 555 * 556 * Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade(). 557 * 558 * @since 2.8.0 559 * @since 4.1.0 Added a return value. 560 * 561 * @param bool|WP_Error $response The installation response before the installation has started. 562 * @param array $plugin Plugin package arguments. 563 * @return bool|WP_Error The original `$response` parameter or WP_Error. 564 */ 565 public function deactivate_plugin_before_upgrade( $response, $plugin ) { 566 567 if ( is_wp_error( $response ) ) { // Bypass. 568 return $response; 569 } 570 571 // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it. 572 if ( wp_doing_cron() ) { 573 return $response; 574 } 575 576 $plugin = $plugin['plugin'] ?? ''; 577 if ( empty( $plugin ) ) { 578 return new WP_Error( 'bad_request', $this->strings['bad_request'] ); 579 } 580 581 if ( is_plugin_active( $plugin ) ) { 582 // Deactivate the plugin silently, Prevent deactivation hooks from running. 583 deactivate_plugins( $plugin, true ); 584 } 585 586 return $response; 587 } 588 589 /** 590 * Turns on maintenance mode before attempting to background update an active plugin. 591 * 592 * Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade(). 593 * 594 * @since 5.4.0 595 * 596 * @param bool|WP_Error $response The installation response before the installation has started. 597 * @param array $plugin Plugin package arguments. 598 * @return bool|WP_Error The original `$response` parameter or WP_Error. 599 */ 600 public function active_before( $response, $plugin ) { 601 if ( is_wp_error( $response ) ) { 602 return $response; 603 } 604 605 // Only enable maintenance mode when in cron (background update). 606 if ( ! wp_doing_cron() ) { 607 return $response; 608 } 609 610 $plugin = $plugin['plugin'] ?? ''; 611 612 // Only run if plugin is active. 613 if ( ! is_plugin_active( $plugin ) ) { 614 return $response; 615 } 616 617 // Change to maintenance mode. Bulk edit handles this separately. 618 if ( ! $this->bulk ) { 619 $this->maintenance_mode( true ); 620 } 621 622 return $response; 623 } 624 625 /** 626 * Turns off maintenance mode after upgrading an active plugin. 627 * 628 * Hooked to the {@see 'upgrader_post_install'} filter by Plugin_Upgrader::upgrade(). 629 * 630 * @since 5.4.0 631 * 632 * @param bool|WP_Error $response The installation response after the installation has finished. 633 * @param array $plugin Plugin package arguments. 634 * @return bool|WP_Error The original `$response` parameter or WP_Error. 635 */ 636 public function active_after( $response, $plugin ) { 637 if ( is_wp_error( $response ) ) { 638 return $response; 639 } 640 641 // Only disable maintenance mode when in cron (background update). 642 if ( ! wp_doing_cron() ) { 643 return $response; 644 } 645 646 $plugin = $plugin['plugin'] ?? ''; 647 648 // Only run if plugin is active. 649 if ( ! is_plugin_active( $plugin ) ) { 650 return $response; 651 } 652 653 // Time to remove maintenance mode. Bulk edit handles this separately. 654 if ( ! $this->bulk ) { 655 $this->maintenance_mode( false ); 656 } 657 658 return $response; 659 } 660 661 /** 662 * Deletes the old plugin during an upgrade. 663 * 664 * Hooked to the {@see 'upgrader_clear_destination'} filter by 665 * Plugin_Upgrader::upgrade() and Plugin_Upgrader::bulk_upgrade(). 666 * 667 * @since 2.8.0 668 * 669 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 670 * 671 * @param bool|WP_Error $removed Whether the destination was cleared. 672 * True on success, WP_Error on failure. 673 * @param string $local_destination The local package destination. 674 * @param string $remote_destination The remote package destination. 675 * @param array $plugin Extra arguments passed to hooked filters. 676 * @return bool|WP_Error 677 */ 678 public function delete_old_plugin( $removed, $local_destination, $remote_destination, $plugin ) { 679 global $wp_filesystem; 680 681 if ( is_wp_error( $removed ) ) { 682 return $removed; // Pass errors through. 683 } 684 685 $plugin = $plugin['plugin'] ?? ''; 686 if ( empty( $plugin ) ) { 687 return new WP_Error( 'bad_request', $this->strings['bad_request'] ); 688 } 689 690 $plugins_dir = $wp_filesystem->wp_plugins_dir(); 691 $this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin ) ); 692 693 if ( ! $wp_filesystem->exists( $this_plugin_dir ) ) { // If it's already vanished. 694 return $removed; 695 } 696 697 /* 698 * If plugin is in its own directory, recursively delete the directory. 699 * Base check on if plugin includes directory separator AND that it's not the root plugin folder. 700 */ 701 if ( strpos( $plugin, '/' ) && $this_plugin_dir !== $plugins_dir ) { 702 $deleted = $wp_filesystem->delete( $this_plugin_dir, true ); 703 } else { 704 $deleted = $wp_filesystem->delete( $plugins_dir . $plugin ); 705 } 706 707 if ( ! $deleted ) { 708 return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] ); 709 } 710 711 return true; 712 } 713 }
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| Generated : Fri Oct 30 08:20:34 2026 | Cross-referenced by PHPXref |