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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 $result 28 * 29 * @see WP_Upgrader::$result 30 */ 31 public $result; 32 33 /** 34 * Whether a bulk upgrade/installation is being performed. 35 * 36 * @since 2.9.0 37 * @var bool $bulk 38 */ 39 public $bulk = false; 40 41 /** 42 * New plugin info. 43 * 44 * @since 5.5.0 45 * @var array $new_plugin_data 46 * 47 * @see check_package() 48 */ 49 public $new_plugin_data = array(); 50 51 /** 52 * Initializes the upgrade strings. 53 * 54 * @since 2.8.0 55 */ 56 public function upgrade_strings() { 57 $this->strings['up_to_date'] = __( 'The plugin is at the latest version.' ); 58 $this->strings['no_package'] = __( 'Update package not available.' ); 59 /* translators: %s: Package URL. */ 60 $this->strings['downloading_package'] = sprintf( __( 'Downloading update from %s…' ), '<span class="code pre">%s</span>' ); 61 $this->strings['unpack_package'] = __( 'Unpacking the update…' ); 62 $this->strings['remove_old'] = __( 'Removing the old version of the plugin…' ); 63 $this->strings['remove_old_failed'] = __( 'Could not remove the old plugin.' ); 64 $this->strings['process_failed'] = __( 'Plugin update failed.' ); 65 $this->strings['process_success'] = __( 'Plugin updated successfully.' ); 66 $this->strings['process_bulk_success'] = __( 'Plugins updated successfully.' ); 67 } 68 69 /** 70 * Initializes the installation strings. 71 * 72 * @since 2.8.0 73 */ 74 public function install_strings() { 75 $this->strings['no_package'] = __( 'Installation package not available.' ); 76 /* translators: %s: Package URL. */ 77 $this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s…' ), '<span class="code pre">%s</span>' ); 78 $this->strings['unpack_package'] = __( 'Unpacking the package…' ); 79 $this->strings['installing_package'] = __( 'Installing the plugin…' ); 80 $this->strings['remove_old'] = __( 'Removing the current plugin…' ); 81 $this->strings['remove_old_failed'] = __( 'Could not remove the current plugin.' ); 82 $this->strings['no_files'] = __( 'The plugin contains no files.' ); 83 $this->strings['process_failed'] = __( 'Plugin installation failed.' ); 84 $this->strings['process_success'] = __( 'Plugin installed successfully.' ); 85 /* translators: 1: Plugin name, 2: Plugin version. */ 86 $this->strings['process_success_specific'] = __( 'Successfully installed the plugin <strong>%1$s %2$s</strong>.' ); 87 88 if ( ! empty( $this->skin->overwrite ) ) { 89 if ( 'update-plugin' === $this->skin->overwrite ) { 90 $this->strings['installing_package'] = __( 'Updating the plugin…' ); 91 $this->strings['process_failed'] = __( 'Plugin update failed.' ); 92 $this->strings['process_success'] = __( 'Plugin updated successfully.' ); 93 } 94 95 if ( 'downgrade-plugin' === $this->skin->overwrite ) { 96 $this->strings['installing_package'] = __( 'Downgrading the plugin…' ); 97 $this->strings['process_failed'] = __( 'Plugin downgrade failed.' ); 98 $this->strings['process_success'] = __( 'Plugin downgraded successfully.' ); 99 } 100 } 101 } 102 103 /** 104 * Install a plugin package. 105 * 106 * @since 2.8.0 107 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 108 * 109 * @param string $package The full local path or URI of the package. 110 * @param array $args { 111 * Optional. Other arguments for installing a plugin package. Default empty array. 112 * 113 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. 114 * Default true. 115 * } 116 * @return bool|WP_Error True if the installation was successful, false or a WP_Error otherwise. 117 */ 118 public function install( $package, $args = array() ) { 119 $defaults = array( 120 'clear_update_cache' => true, 121 'overwrite_package' => false, // Do not overwrite files. 122 ); 123 $parsed_args = wp_parse_args( $args, $defaults ); 124 125 $this->init(); 126 $this->install_strings(); 127 128 add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 129 130 if ( $parsed_args['clear_update_cache'] ) { 131 // Clear cache so wp_update_plugins() knows about the new plugin. 132 add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 ); 133 } 134 135 $this->run( 136 array( 137 'package' => $package, 138 'destination' => WP_PLUGIN_DIR, 139 'clear_destination' => $parsed_args['overwrite_package'], 140 'clear_working' => true, 141 'hook_extra' => array( 142 'type' => 'plugin', 143 'action' => 'install', 144 ), 145 ) 146 ); 147 148 remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 ); 149 remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 150 151 if ( ! $this->result || is_wp_error( $this->result ) ) { 152 return $this->result; 153 } 154 155 // Force refresh of plugin update information. 156 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 157 158 if ( $parsed_args['overwrite_package'] ) { 159 /** 160 * Fires when the upgrader has successfully overwritten a currently installed 161 * plugin or theme with an uploaded zip package. 162 * 163 * @since 5.5.0 164 * 165 * @param string $package The package file. 166 * @param array $data The new plugin or theme data. 167 * @param string $package_type The package type ('plugin' or 'theme'). 168 */ 169 do_action( 'upgrader_overwrote_package', $package, $this->new_plugin_data, 'plugin' ); 170 } 171 172 return true; 173 } 174 175 /** 176 * Upgrades a plugin. 177 * 178 * @since 2.8.0 179 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 180 * 181 * @param string $plugin Path to the plugin file relative to the plugins directory. 182 * @param array $args { 183 * Optional. Other arguments for upgrading a plugin package. Default empty array. 184 * 185 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. 186 * Default true. 187 * } 188 * @return bool|WP_Error True if the upgrade was successful, false or a WP_Error object otherwise. 189 */ 190 public function upgrade( $plugin, $args = array() ) { 191 $defaults = array( 192 'clear_update_cache' => true, 193 ); 194 $parsed_args = wp_parse_args( $args, $defaults ); 195 196 $this->init(); 197 $this->upgrade_strings(); 198 199 $current = get_site_transient( 'update_plugins' ); 200 if ( ! isset( $current->response[ $plugin ] ) ) { 201 $this->skin->before(); 202 $this->skin->set_result( false ); 203 $this->skin->error( 'up_to_date' ); 204 $this->skin->after(); 205 return false; 206 } 207 208 // Get the URL to the zip file. 209 $r = $current->response[ $plugin ]; 210 211 add_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ), 10, 2 ); 212 add_filter( 'upgrader_pre_install', array( $this, 'active_before' ), 10, 2 ); 213 add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 ); 214 add_filter( 'upgrader_post_install', array( $this, 'active_after' ), 10, 2 ); 215 /* 216 * There's a Trac ticket to move up the directory for zips which are made a bit differently, useful for non-.org plugins. 217 * 'source_selection' => array( $this, 'source_selection' ), 218 */ 219 if ( $parsed_args['clear_update_cache'] ) { 220 // Clear cache so wp_update_plugins() knows about the new plugin. 221 add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 ); 222 } 223 224 $this->run( 225 array( 226 'package' => $r->package, 227 'destination' => WP_PLUGIN_DIR, 228 'clear_destination' => true, 229 'clear_working' => true, 230 'hook_extra' => array( 231 'plugin' => $plugin, 232 'type' => 'plugin', 233 'action' => 'update', 234 'temp_backup' => array( 235 'slug' => dirname( $plugin ), 236 'src' => WP_PLUGIN_DIR, 237 'dir' => 'plugins', 238 ), 239 ), 240 ) 241 ); 242 243 // Cleanup our hooks, in case something else does an upgrade on this connection. 244 remove_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9 ); 245 remove_filter( 'upgrader_pre_install', array( $this, 'deactivate_plugin_before_upgrade' ) ); 246 remove_filter( 'upgrader_pre_install', array( $this, 'active_before' ) ); 247 remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) ); 248 remove_filter( 'upgrader_post_install', array( $this, 'active_after' ) ); 249 250 if ( ! $this->result || is_wp_error( $this->result ) ) { 251 return $this->result; 252 } 253 254 // Force refresh of plugin update information. 255 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 256 257 /* 258 * Ensure any future auto-update failures trigger a failure email by removing 259 * the last failure notification from the list when plugins update successfully. 260 */ 261 $past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() ); 262 263 if ( isset( $past_failure_emails[ $plugin ] ) ) { 264 unset( $past_failure_emails[ $plugin ] ); 265 update_option( 'auto_plugin_theme_update_emails', $past_failure_emails ); 266 } 267 268 return true; 269 } 270 271 /** 272 * Upgrades several plugins at once. 273 * 274 * @since 2.8.0 275 * @since 3.7.0 The `$args` parameter was added, making clearing the plugin update cache optional. 276 * 277 * @param string[] $plugins Array of paths to plugin files relative to the plugins directory. 278 * @param array $args { 279 * Optional. Other arguments for upgrading several plugins at once. 280 * 281 * @type bool $clear_update_cache Whether to clear the plugin updates cache if successful. Default true. 282 * } 283 * @return array|false An array of results indexed by plugin file, or false if unable to connect to the filesystem. 284 */ 285 public function bulk_upgrade( $plugins, $args = array() ) { 286 $wp_version = wp_get_wp_version(); 287 288 $defaults = array( 289 'clear_update_cache' => true, 290 ); 291 $parsed_args = wp_parse_args( $args, $defaults ); 292 293 $this->init(); 294 $this->bulk = true; 295 $this->upgrade_strings(); 296 297 $current = get_site_transient( 'update_plugins' ); 298 299 add_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ), 10, 4 ); 300 301 $this->skin->header(); 302 303 // Connect to the filesystem first. 304 $res = $this->fs_connect( array( WP_CONTENT_DIR, WP_PLUGIN_DIR ) ); 305 if ( ! $res ) { 306 $this->skin->footer(); 307 return false; 308 } 309 310 $this->skin->bulk_header(); 311 312 /* 313 * Only start maintenance mode if: 314 * - running Multisite and there are one or more plugins specified, OR 315 * - a plugin with an update available is currently active. 316 * @todo For multisite, maintenance mode should only kick in for individual sites if at all possible. 317 */ 318 $maintenance = ( is_multisite() && ! empty( $plugins ) ); 319 foreach ( $plugins as $plugin ) { 320 $maintenance = $maintenance || ( is_plugin_active( $plugin ) && isset( $current->response[ $plugin ] ) ); 321 } 322 if ( $maintenance ) { 323 $this->maintenance_mode( true ); 324 } 325 326 $results = array(); 327 328 $this->update_count = count( $plugins ); 329 $this->update_current = 0; 330 foreach ( $plugins as $plugin ) { 331 ++$this->update_current; 332 $this->skin->plugin_info = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin, false, true ); 333 334 if ( ! isset( $current->response[ $plugin ] ) ) { 335 $this->skin->set_result( 'up_to_date' ); 336 $this->skin->before(); 337 $this->skin->feedback( 'up_to_date' ); 338 $this->skin->after(); 339 $results[ $plugin ] = true; 340 continue; 341 } 342 343 // Get the URL to the zip file. 344 $r = $current->response[ $plugin ]; 345 346 $this->skin->plugin_active = is_plugin_active( $plugin ); 347 348 if ( isset( $r->requires ) && ! is_wp_version_compatible( $r->requires ) ) { 349 $result = new WP_Error( 350 'incompatible_wp_required_version', 351 sprintf( 352 /* translators: 1: Current WordPress version, 2: WordPress version required by the new plugin version. */ 353 __( 'Your WordPress version is %1$s, however the new plugin version requires %2$s.' ), 354 $wp_version, 355 $r->requires 356 ) 357 ); 358 359 $this->skin->before( $result ); 360 $this->skin->error( $result ); 361 $this->skin->after(); 362 } elseif ( isset( $r->requires_php ) && ! is_php_version_compatible( $r->requires_php ) ) { 363 $result = new WP_Error( 364 'incompatible_php_required_version', 365 sprintf( 366 /* translators: 1: Current PHP version, 2: PHP version required by the new plugin version. */ 367 __( 'The PHP version on your server is %1$s, however the new plugin version requires %2$s.' ), 368 PHP_VERSION, 369 $r->requires_php 370 ) 371 ); 372 373 $this->skin->before( $result ); 374 $this->skin->error( $result ); 375 $this->skin->after(); 376 } else { 377 add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 378 $result = $this->run( 379 array( 380 'package' => $r->package, 381 'destination' => WP_PLUGIN_DIR, 382 'clear_destination' => true, 383 'clear_working' => true, 384 'is_multi' => true, 385 'hook_extra' => array( 386 'plugin' => $plugin, 387 'temp_backup' => array( 388 'slug' => dirname( $plugin ), 389 'src' => WP_PLUGIN_DIR, 390 'dir' => 'plugins', 391 ), 392 ), 393 ) 394 ); 395 remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) ); 396 } 397 398 $results[ $plugin ] = $result; 399 400 // Prevent credentials auth screen from displaying multiple times. 401 if ( false === $result ) { 402 break; 403 } 404 } // End foreach $plugins. 405 406 $this->maintenance_mode( false ); 407 408 // Force refresh of plugin update information. 409 wp_clean_plugins_cache( $parsed_args['clear_update_cache'] ); 410 411 /** This action is documented in wp-admin/includes/class-wp-upgrader.php */ 412 do_action( 413 'upgrader_process_complete', 414 $this, 415 array( 416 'action' => 'update', 417 'type' => 'plugin', 418 'bulk' => true, 419 'plugins' => $plugins, 420 ) 421 ); 422 423 $this->skin->bulk_footer(); 424 425 $this->skin->footer(); 426 427 // Cleanup our hooks, in case something else does an upgrade on this connection. 428 remove_filter( 'upgrader_clear_destination', array( $this, 'delete_old_plugin' ) ); 429 430 /* 431 * Ensure any future auto-update failures trigger a failure email by removing 432 * the last failure notification from the list when plugins update successfully. 433 */ 434 $past_failure_emails = get_option( 'auto_plugin_theme_update_emails', array() ); 435 436 foreach ( $results as $plugin => $result ) { 437 // Maintain last failure notification when plugins failed to update manually. 438 if ( ! $result || is_wp_error( $result ) || ! isset( $past_failure_emails[ $plugin ] ) ) { 439 continue; 440 } 441 442 unset( $past_failure_emails[ $plugin ] ); 443 } 444 445 update_option( 'auto_plugin_theme_update_emails', $past_failure_emails ); 446 447 return $results; 448 } 449 450 /** 451 * Checks that the source package contains a valid plugin. 452 * 453 * Hooked to the {@see 'upgrader_source_selection'} filter by Plugin_Upgrader::install(). 454 * 455 * @since 3.3.0 456 * 457 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 458 * 459 * @param string $source The path to the downloaded package source. 460 * @return string|WP_Error The source as passed, or a WP_Error object on failure. 461 */ 462 public function check_package( $source ) { 463 global $wp_filesystem; 464 465 $wp_version = wp_get_wp_version(); 466 $this->new_plugin_data = array(); 467 468 if ( is_wp_error( $source ) ) { 469 return $source; 470 } 471 472 $working_directory = str_replace( $wp_filesystem->wp_content_dir(), trailingslashit( WP_CONTENT_DIR ), $source ); 473 if ( ! is_dir( $working_directory ) ) { // Confidence check, if the above fails, let's not prevent installation. 474 return $source; 475 } 476 477 // Check that the folder contains at least 1 valid plugin. 478 $files = glob( $working_directory . '*.php' ); 479 if ( $files ) { 480 foreach ( $files as $file ) { 481 $info = get_plugin_data( $file, false, false ); 482 if ( ! empty( $info['Name'] ) ) { 483 $this->new_plugin_data = $info; 484 break; 485 } 486 } 487 } 488 489 if ( empty( $this->new_plugin_data ) ) { 490 return new WP_Error( 'incompatible_archive_no_plugins', $this->strings['incompatible_archive'], __( 'No valid plugins were found.' ) ); 491 } 492 493 $requires_php = isset( $info['RequiresPHP'] ) ? $info['RequiresPHP'] : null; 494 $requires_wp = isset( $info['RequiresWP'] ) ? $info['RequiresWP'] : null; 495 496 if ( ! is_php_version_compatible( $requires_php ) ) { 497 $error = sprintf( 498 /* translators: 1: Current PHP version, 2: Version required by the uploaded plugin. */ 499 __( 'The PHP version on your server is %1$s, however the uploaded plugin requires %2$s.' ), 500 PHP_VERSION, 501 $requires_php 502 ); 503 504 return new WP_Error( 'incompatible_php_required_version', $this->strings['incompatible_archive'], $error ); 505 } 506 507 if ( ! is_wp_version_compatible( $requires_wp ) ) { 508 $error = sprintf( 509 /* translators: 1: Current WordPress version, 2: Version required by the uploaded plugin. */ 510 __( 'Your WordPress version is %1$s, however the uploaded plugin requires %2$s.' ), 511 $wp_version, 512 $requires_wp 513 ); 514 515 return new WP_Error( 'incompatible_wp_required_version', $this->strings['incompatible_archive'], $error ); 516 } 517 518 return $source; 519 } 520 521 /** 522 * Retrieves the path to the file that contains the plugin info. 523 * 524 * This isn't used internally in the class, but is called by the skins. 525 * 526 * @since 2.8.0 527 * 528 * @return string|false The full path to the main plugin file, or false. 529 */ 530 public function plugin_info() { 531 if ( ! is_array( $this->result ) ) { 532 return false; 533 } 534 if ( empty( $this->result['destination_name'] ) ) { 535 return false; 536 } 537 538 // Ensure to pass with leading slash. 539 $plugin = get_plugins( '/' . $this->result['destination_name'] ); 540 if ( empty( $plugin ) ) { 541 return false; 542 } 543 544 // Assume the requested plugin is the first in the list. 545 $pluginfiles = array_keys( $plugin ); 546 547 return $this->result['destination_name'] . '/' . $pluginfiles[0]; 548 } 549 550 /** 551 * Deactivates a plugin before it is upgraded. 552 * 553 * Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade(). 554 * 555 * @since 2.8.0 556 * @since 4.1.0 Added a return value. 557 * 558 * @param bool|WP_Error $response The installation response before the installation has started. 559 * @param array $plugin Plugin package arguments. 560 * @return bool|WP_Error The original `$response` parameter or WP_Error. 561 */ 562 public function deactivate_plugin_before_upgrade( $response, $plugin ) { 563 564 if ( is_wp_error( $response ) ) { // Bypass. 565 return $response; 566 } 567 568 // When in cron (background updates) don't deactivate the plugin, as we require a browser to reactivate it. 569 if ( wp_doing_cron() ) { 570 return $response; 571 } 572 573 $plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : ''; 574 if ( empty( $plugin ) ) { 575 return new WP_Error( 'bad_request', $this->strings['bad_request'] ); 576 } 577 578 if ( is_plugin_active( $plugin ) ) { 579 // Deactivate the plugin silently, Prevent deactivation hooks from running. 580 deactivate_plugins( $plugin, true ); 581 } 582 583 return $response; 584 } 585 586 /** 587 * Turns on maintenance mode before attempting to background update an active plugin. 588 * 589 * Hooked to the {@see 'upgrader_pre_install'} filter by Plugin_Upgrader::upgrade(). 590 * 591 * @since 5.4.0 592 * 593 * @param bool|WP_Error $response The installation response before the installation has started. 594 * @param array $plugin Plugin package arguments. 595 * @return bool|WP_Error The original `$response` parameter or WP_Error. 596 */ 597 public function active_before( $response, $plugin ) { 598 if ( is_wp_error( $response ) ) { 599 return $response; 600 } 601 602 // Only enable maintenance mode when in cron (background update). 603 if ( ! wp_doing_cron() ) { 604 return $response; 605 } 606 607 $plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : ''; 608 609 // Only run if plugin is active. 610 if ( ! is_plugin_active( $plugin ) ) { 611 return $response; 612 } 613 614 // Change to maintenance mode. Bulk edit handles this separately. 615 if ( ! $this->bulk ) { 616 $this->maintenance_mode( true ); 617 } 618 619 return $response; 620 } 621 622 /** 623 * Turns off maintenance mode after upgrading an active plugin. 624 * 625 * Hooked to the {@see 'upgrader_post_install'} filter by Plugin_Upgrader::upgrade(). 626 * 627 * @since 5.4.0 628 * 629 * @param bool|WP_Error $response The installation response after the installation has finished. 630 * @param array $plugin Plugin package arguments. 631 * @return bool|WP_Error The original `$response` parameter or WP_Error. 632 */ 633 public function active_after( $response, $plugin ) { 634 if ( is_wp_error( $response ) ) { 635 return $response; 636 } 637 638 // Only disable maintenance mode when in cron (background update). 639 if ( ! wp_doing_cron() ) { 640 return $response; 641 } 642 643 $plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : ''; 644 645 // Only run if plugin is active. 646 if ( ! is_plugin_active( $plugin ) ) { 647 return $response; 648 } 649 650 // Time to remove maintenance mode. Bulk edit handles this separately. 651 if ( ! $this->bulk ) { 652 $this->maintenance_mode( false ); 653 } 654 655 return $response; 656 } 657 658 /** 659 * Deletes the old plugin during an upgrade. 660 * 661 * Hooked to the {@see 'upgrader_clear_destination'} filter by 662 * Plugin_Upgrader::upgrade() and Plugin_Upgrader::bulk_upgrade(). 663 * 664 * @since 2.8.0 665 * 666 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 667 * 668 * @param bool|WP_Error $removed Whether the destination was cleared. 669 * True on success, WP_Error on failure. 670 * @param string $local_destination The local package destination. 671 * @param string $remote_destination The remote package destination. 672 * @param array $plugin Extra arguments passed to hooked filters. 673 * @return bool|WP_Error 674 */ 675 public function delete_old_plugin( $removed, $local_destination, $remote_destination, $plugin ) { 676 global $wp_filesystem; 677 678 if ( is_wp_error( $removed ) ) { 679 return $removed; // Pass errors through. 680 } 681 682 $plugin = isset( $plugin['plugin'] ) ? $plugin['plugin'] : ''; 683 if ( empty( $plugin ) ) { 684 return new WP_Error( 'bad_request', $this->strings['bad_request'] ); 685 } 686 687 $plugins_dir = $wp_filesystem->wp_plugins_dir(); 688 $this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin ) ); 689 690 if ( ! $wp_filesystem->exists( $this_plugin_dir ) ) { // If it's already vanished. 691 return $removed; 692 } 693 694 /* 695 * If plugin is in its own directory, recursively delete the directory. 696 * Base check on if plugin includes directory separator AND that it's not the root plugin folder. 697 */ 698 if ( strpos( $plugin, '/' ) && $this_plugin_dir !== $plugins_dir ) { 699 $deleted = $wp_filesystem->delete( $this_plugin_dir, true ); 700 } else { 701 $deleted = $wp_filesystem->delete( $plugins_dir . $plugin ); 702 } 703 704 if ( ! $deleted ) { 705 return new WP_Error( 'remove_old_failed', $this->strings['remove_old_failed'] ); 706 } 707 708 return true; 709 } 710 }
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| Generated : Tue Dec 24 08:20:01 2024 | Cross-referenced by PHPXref |