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1 <?php 2 /** 3 * WordPress Theme Administration API 4 * 5 * @package WordPress 6 * @subpackage Administration 7 */ 8 9 /** 10 * Removes a theme. 11 * 12 * @since 2.8.0 13 * 14 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. 15 * 16 * @param string $stylesheet Stylesheet of the theme to delete. 17 * @param string $redirect Redirect to page when complete. 18 * @return bool|null|WP_Error True on success, false if `$stylesheet` is empty, WP_Error on failure. 19 * Null if filesystem credentials are required to proceed. 20 */ 21 function delete_theme( $stylesheet, $redirect = '' ) { 22 global $wp_filesystem; 23 24 if ( empty( $stylesheet ) ) { 25 return false; 26 } 27 28 if ( empty( $redirect ) ) { 29 $redirect = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet ); 30 } 31 32 ob_start(); 33 $credentials = request_filesystem_credentials( $redirect ); 34 $data = ob_get_clean(); 35 36 if ( false === $credentials ) { 37 if ( ! empty( $data ) ) { 38 require_once ABSPATH . 'wp-admin/admin-header.php'; 39 echo $data; 40 require_once ABSPATH . 'wp-admin/admin-footer.php'; 41 exit; 42 } 43 return; 44 } 45 46 if ( ! WP_Filesystem( $credentials ) ) { 47 ob_start(); 48 // Failed to connect. Error and request again. 49 request_filesystem_credentials( $redirect, '', true ); 50 $data = ob_get_clean(); 51 52 if ( ! empty( $data ) ) { 53 require_once ABSPATH . 'wp-admin/admin-header.php'; 54 echo $data; 55 require_once ABSPATH . 'wp-admin/admin-footer.php'; 56 exit; 57 } 58 return; 59 } 60 61 if ( ! is_object( $wp_filesystem ) ) { 62 return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); 63 } 64 65 if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { 66 return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors ); 67 } 68 69 // Get the base theme folder. 70 $themes_dir = $wp_filesystem->wp_themes_dir(); 71 if ( empty( $themes_dir ) ) { 72 return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) ); 73 } 74 75 /** 76 * Fires immediately before a theme deletion attempt. 77 * 78 * @since 5.8.0 79 * 80 * @param string $stylesheet Stylesheet of the theme to delete. 81 */ 82 do_action( 'delete_theme', $stylesheet ); 83 84 $theme = wp_get_theme( $stylesheet ); 85 86 $themes_dir = trailingslashit( $themes_dir ); 87 $theme_dir = trailingslashit( $themes_dir . $stylesheet ); 88 $deleted = $wp_filesystem->delete( $theme_dir, true ); 89 90 /** 91 * Fires immediately after a theme deletion attempt. 92 * 93 * @since 5.8.0 94 * 95 * @param string $stylesheet Stylesheet of the theme to delete. 96 * @param bool $deleted Whether the theme deletion was successful. 97 */ 98 do_action( 'deleted_theme', $stylesheet, $deleted ); 99 100 if ( ! $deleted ) { 101 return new WP_Error( 102 'could_not_remove_theme', 103 /* translators: %s: Theme name. */ 104 sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet ) 105 ); 106 } 107 108 $theme_translations = wp_get_installed_translations( 'themes' ); 109 110 // Remove language files, silently. 111 if ( ! empty( $theme_translations[ $stylesheet ] ) ) { 112 $translations = $theme_translations[ $stylesheet ]; 113 114 foreach ( $translations as $translation => $data ) { 115 $wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' ); 116 $wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' ); 117 $wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.l10n.php' ); 118 119 $json_translation_files = glob( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '-*.json' ); 120 if ( $json_translation_files ) { 121 array_map( array( $wp_filesystem, 'delete' ), $json_translation_files ); 122 } 123 } 124 } 125 126 // Remove the theme from allowed themes on the network. 127 if ( is_multisite() ) { 128 WP_Theme::network_disable_theme( $stylesheet ); 129 } 130 131 // Clear theme caches. 132 $theme->cache_delete(); 133 134 // Force refresh of theme update information. 135 delete_site_transient( 'update_themes' ); 136 137 return true; 138 } 139 140 /** 141 * Gets the page templates available in this theme. 142 * 143 * @since 1.5.0 144 * @since 4.7.0 Added the `$post_type` parameter. 145 * 146 * @param WP_Post|null $post Optional. The post being edited, provided for context. 147 * @param string $post_type Optional. Post type to get the templates for. Default 'page'. 148 * @return string[] Array of template file names keyed by the template header name. 149 */ 150 function get_page_templates( $post = null, $post_type = 'page' ) { 151 return array_flip( wp_get_theme()->get_page_templates( $post, $post_type ) ); 152 } 153 154 /** 155 * Tidies a filename for url display by the theme file editor. 156 * 157 * @since 2.9.0 158 * @access private 159 * 160 * @param string $fullpath Full path to the theme file 161 * @param string $containingfolder Path of the theme parent folder 162 * @return string 163 */ 164 function _get_template_edit_filename( $fullpath, $containingfolder ) { 165 return str_replace( dirname( $containingfolder, 2 ), '', $fullpath ); 166 } 167 168 /** 169 * Check if there is an update for a theme available. 170 * 171 * Will display link, if there is an update available. 172 * 173 * @since 2.7.0 174 * 175 * @see get_theme_update_available() 176 * 177 * @param WP_Theme $theme Theme data object. 178 */ 179 function theme_update_available( $theme ) { 180 echo get_theme_update_available( $theme ); 181 } 182 183 /** 184 * Retrieves the update link if there is a theme update available. 185 * 186 * Will return a link if there is an update available. 187 * 188 * @since 3.8.0 189 * 190 * @param WP_Theme $theme WP_Theme object. 191 * @return string|false HTML for the update link, or false if invalid info was passed. 192 */ 193 function get_theme_update_available( $theme ) { 194 static $themes_update = null; 195 196 if ( ! current_user_can( 'update_themes' ) ) { 197 return false; 198 } 199 200 if ( ! isset( $themes_update ) ) { 201 $themes_update = get_site_transient( 'update_themes' ); 202 } 203 204 if ( ! ( $theme instanceof WP_Theme ) ) { 205 return false; 206 } 207 208 $stylesheet = $theme->get_stylesheet(); 209 210 $html = ''; 211 212 if ( isset( $themes_update->response[ $stylesheet ] ) ) { 213 $update = $themes_update->response[ $stylesheet ]; 214 $theme_name = $theme->display( 'Name' ); 215 $details_url = add_query_arg( 216 array( 217 'TB_iframe' => 'true', 218 'width' => 1024, 219 'height' => 800, 220 ), 221 $update['url'] 222 ); // Theme browser inside WP? Replace this. Also, theme preview JS will override this on the available list. 223 $update_url = wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet ); 224 225 if ( ! is_multisite() ) { 226 if ( ! current_user_can( 'update_themes' ) ) { 227 $html = sprintf( 228 /* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number. */ 229 '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ) . '</strong></p>', 230 $theme_name, 231 esc_url( $details_url ), 232 sprintf( 233 'class="thickbox open-plugin-details-modal" aria-label="%s"', 234 /* translators: 1: Theme name, 2: Version number. */ 235 esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) 236 ), 237 $update['new_version'] 238 ); 239 } elseif ( empty( $update['package'] ) ) { 240 $html = sprintf( 241 /* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number. */ 242 '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ) . '</strong></p>', 243 $theme_name, 244 esc_url( $details_url ), 245 sprintf( 246 'class="thickbox open-plugin-details-modal" aria-label="%s"', 247 /* translators: 1: Theme name, 2: Version number. */ 248 esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) 249 ), 250 $update['new_version'] 251 ); 252 } else { 253 $html = sprintf( 254 /* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */ 255 '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ) . '</strong></p>', 256 $theme_name, 257 esc_url( $details_url ), 258 sprintf( 259 'class="thickbox open-plugin-details-modal" aria-label="%s"', 260 /* translators: 1: Theme name, 2: Version number. */ 261 esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) 262 ), 263 $update['new_version'], 264 $update_url, 265 sprintf( 266 'aria-label="%s" id="update-theme" data-slug="%s"', 267 /* translators: %s: Theme name. */ 268 esc_attr( sprintf( _x( 'Update %s now', 'theme' ), $theme_name ) ), 269 $stylesheet 270 ) 271 ); 272 } 273 } 274 } 275 276 return $html; 277 } 278 279 /** 280 * Retrieves list of WordPress theme features (aka theme tags). 281 * 282 * @since 3.1.0 283 * @since 3.2.0 Added 'Gray' color and 'Featured Image Header', 'Featured Images', 284 * 'Full Width Template', and 'Post Formats' features. 285 * @since 3.5.0 Added 'Flexible Header' feature. 286 * @since 3.8.0 Renamed 'Width' filter to 'Layout'. 287 * @since 3.8.0 Renamed 'Fixed Width' and 'Flexible Width' options 288 * to 'Fixed Layout' and 'Fluid Layout'. 289 * @since 3.8.0 Added 'Accessibility Ready' feature and 'Responsive Layout' option. 290 * @since 3.9.0 Combined 'Layout' and 'Columns' filters. 291 * @since 4.6.0 Removed 'Colors' filter. 292 * @since 4.6.0 Added 'Grid Layout' option. 293 * Removed 'Fixed Layout', 'Fluid Layout', and 'Responsive Layout' options. 294 * @since 4.6.0 Added 'Custom Logo' and 'Footer Widgets' features. 295 * Removed 'Blavatar' feature. 296 * @since 4.6.0 Added 'Blog', 'E-Commerce', 'Education', 'Entertainment', 'Food & Drink', 297 * 'Holiday', 'News', 'Photography', and 'Portfolio' subjects. 298 * Removed 'Photoblogging' and 'Seasonal' subjects. 299 * @since 4.9.0 Reordered the filters from 'Layout', 'Features', 'Subject' 300 * to 'Subject', 'Features', 'Layout'. 301 * @since 4.9.0 Removed 'BuddyPress', 'Custom Menu', 'Flexible Header', 302 * 'Front Page Posting', 'Microformats', 'RTL Language Support', 303 * 'Threaded Comments', and 'Translation Ready' features. 304 * @since 5.5.0 Added 'Block Editor Patterns', 'Block Editor Styles', 305 * and 'Full Site Editing' features. 306 * @since 5.5.0 Added 'Wide Blocks' layout option. 307 * @since 5.8.1 Added 'Template Editing' feature. 308 * @since 6.1.1 Replaced 'Full Site Editing' feature name with 'Site Editor'. 309 * @since 6.2.0 Added 'Style Variations' feature. 310 * 311 * @param bool $api Optional. Whether try to fetch tags from the WordPress.org API. Defaults to true. 312 * @return array Array of features keyed by category with translations keyed by slug. 313 */ 314 function get_theme_feature_list( $api = true ) { 315 // Hard-coded list is used if API is not accessible. 316 $features = array( 317 318 __( 'Subject' ) => array( 319 'blog' => __( 'Blog' ), 320 'e-commerce' => __( 'E-Commerce' ), 321 'education' => __( 'Education' ), 322 'entertainment' => __( 'Entertainment' ), 323 'food-and-drink' => __( 'Food & Drink' ), 324 'holiday' => __( 'Holiday' ), 325 'news' => __( 'News' ), 326 'photography' => __( 'Photography' ), 327 'portfolio' => __( 'Portfolio' ), 328 ), 329 330 __( 'Features' ) => array( 331 'accessibility-ready' => __( 'Accessibility Ready' ), 332 'block-patterns' => __( 'Block Editor Patterns' ), 333 'block-styles' => __( 'Block Editor Styles' ), 334 'custom-background' => __( 'Custom Background' ), 335 'custom-colors' => __( 'Custom Colors' ), 336 'custom-header' => __( 'Custom Header' ), 337 'custom-logo' => __( 'Custom Logo' ), 338 'editor-style' => __( 'Editor Style' ), 339 'featured-image-header' => __( 'Featured Image Header' ), 340 'featured-images' => __( 'Featured Images' ), 341 'footer-widgets' => __( 'Footer Widgets' ), 342 'full-site-editing' => __( 'Site Editor' ), 343 'full-width-template' => __( 'Full Width Template' ), 344 'post-formats' => __( 'Post Formats' ), 345 'sticky-post' => __( 'Sticky Post' ), 346 'style-variations' => __( 'Style Variations' ), 347 'template-editing' => __( 'Template Editing' ), 348 'theme-options' => __( 'Theme Options' ), 349 ), 350 351 __( 'Layout' ) => array( 352 'grid-layout' => __( 'Grid Layout' ), 353 'one-column' => __( 'One Column' ), 354 'two-columns' => __( 'Two Columns' ), 355 'three-columns' => __( 'Three Columns' ), 356 'four-columns' => __( 'Four Columns' ), 357 'left-sidebar' => __( 'Left Sidebar' ), 358 'right-sidebar' => __( 'Right Sidebar' ), 359 'wide-blocks' => __( 'Wide Blocks' ), 360 ), 361 362 ); 363 364 if ( ! $api || ! current_user_can( 'install_themes' ) ) { 365 return $features; 366 } 367 368 $feature_list = get_site_transient( 'wporg_theme_feature_list' ); 369 if ( ! $feature_list ) { 370 set_site_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS ); 371 } 372 373 if ( ! $feature_list ) { 374 $feature_list = themes_api( 'feature_list', array() ); 375 if ( is_wp_error( $feature_list ) ) { 376 return $features; 377 } 378 } 379 380 if ( ! $feature_list ) { 381 return $features; 382 } 383 384 set_site_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS ); 385 386 $category_translations = array( 387 'Layout' => __( 'Layout' ), 388 'Features' => __( 'Features' ), 389 'Subject' => __( 'Subject' ), 390 ); 391 392 $wporg_features = array(); 393 394 // Loop over the wp.org canonical list and apply translations. 395 foreach ( (array) $feature_list as $feature_category => $feature_items ) { 396 if ( isset( $category_translations[ $feature_category ] ) ) { 397 $feature_category = $category_translations[ $feature_category ]; 398 } 399 400 $wporg_features[ $feature_category ] = array(); 401 402 foreach ( $feature_items as $feature ) { 403 if ( isset( $features[ $feature_category ][ $feature ] ) ) { 404 $wporg_features[ $feature_category ][ $feature ] = $features[ $feature_category ][ $feature ]; 405 } else { 406 $wporg_features[ $feature_category ][ $feature ] = $feature; 407 } 408 } 409 } 410 411 return $wporg_features; 412 } 413 414 /** 415 * Retrieves theme installer pages from the WordPress.org Themes API. 416 * 417 * It is possible for a theme to override the Themes API result with three 418 * filters. Assume this is for themes, which can extend on the Theme Info to 419 * offer more choices. This is very powerful and must be used with care, when 420 * overriding the filters. 421 * 422 * The first filter, {@see 'themes_api_args'}, is for the args and gives the action 423 * as the second parameter. The hook for {@see 'themes_api_args'} must ensure that 424 * an object is returned. 425 * 426 * The second filter, {@see 'themes_api'}, allows a plugin to override the WordPress.org 427 * Theme API entirely. If `$action` is 'query_themes', 'theme_information', or 'feature_list', 428 * an object MUST be passed. If `$action` is 'hot_tags', an array should be passed. 429 * 430 * Finally, the third filter, {@see 'themes_api_result'}, makes it possible to filter the 431 * response object or array, depending on the `$action` type. 432 * 433 * Supported arguments per action: 434 * 435 * | Argument Name | 'query_themes' | 'theme_information' | 'hot_tags' | 'feature_list' | 436 * | -------------------| :------------: | :-----------------: | :--------: | :--------------: | 437 * | `$slug` | No | Yes | No | No | 438 * | `$per_page` | Yes | No | No | No | 439 * | `$page` | Yes | No | No | No | 440 * | `$number` | No | No | Yes | No | 441 * | `$search` | Yes | No | No | No | 442 * | `$tag` | Yes | No | No | No | 443 * | `$author` | Yes | No | No | No | 444 * | `$user` | Yes | No | No | No | 445 * | `$browse` | Yes | No | No | No | 446 * | `$locale` | Yes | Yes | No | No | 447 * | `$fields` | Yes | Yes | No | No | 448 * 449 * @since 2.8.0 450 * 451 * @param string $action API action to perform: Accepts 'query_themes', 'theme_information', 452 * 'hot_tags' or 'feature_list'. 453 * @param array|object $args { 454 * Optional. Array or object of arguments to serialize for the Themes API. Default empty array. 455 * 456 * @type string $slug The theme slug. Default empty. 457 * @type int $per_page Number of themes per page. Default 24. 458 * @type int $page Number of current page. Default 1. 459 * @type int $number Number of tags to be queried. 460 * @type string $search A search term. Default empty. 461 * @type string $tag Tag to filter themes. Default empty. 462 * @type string $author Username of an author to filter themes. Default empty. 463 * @type string $user Username to query for their favorites. Default empty. 464 * @type string $browse Browse view: 'featured', 'popular', 'updated', 'favorites'. 465 * @type string $locale Locale to provide context-sensitive results. Default is the value of get_locale(). 466 * @type array $fields { 467 * Array of fields which should or should not be returned. 468 * 469 * @type bool $description Whether to return the theme full description. Default false. 470 * @type bool $sections Whether to return the theme readme sections: description, installation, 471 * FAQ, screenshots, other notes, and changelog. Default false. 472 * @type bool $rating Whether to return the rating in percent and total number of ratings. 473 * Default false. 474 * @type bool $ratings Whether to return the number of rating for each star (1-5). Default false. 475 * @type bool $downloaded Whether to return the download count. Default false. 476 * @type bool $downloadlink Whether to return the download link for the package. Default false. 477 * @type bool $last_updated Whether to return the date of the last update. Default false. 478 * @type bool $tags Whether to return the assigned tags. Default false. 479 * @type bool $homepage Whether to return the theme homepage link. Default false. 480 * @type bool $screenshots Whether to return the screenshots. Default false. 481 * @type int $screenshot_count Number of screenshots to return. Default 1. 482 * @type bool $screenshot_url Whether to return the URL of the first screenshot. Default false. 483 * @type bool $photon_screenshots Whether to return the screenshots via Photon. Default false. 484 * @type bool $template Whether to return the slug of the parent theme. Default false. 485 * @type bool $parent Whether to return the slug, name and homepage of the parent theme. Default false. 486 * @type bool $versions Whether to return the list of all available versions. Default false. 487 * @type bool $theme_url Whether to return theme's URL. Default false. 488 * @type bool $extended_author Whether to return nicename or nicename and display name. Default false. 489 * } 490 * } 491 * @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the 492 * {@link https://developer.wordpress.org/reference/functions/themes_api/ function reference article} 493 * for more information on the make-up of possible return objects depending on the value of `$action`. 494 */ 495 function themes_api( $action, $args = array() ) { 496 // Include an unmodified $wp_version. 497 require ABSPATH . WPINC . '/version.php'; 498 499 if ( is_array( $args ) ) { 500 $args = (object) $args; 501 } 502 503 if ( 'query_themes' === $action ) { 504 if ( ! isset( $args->per_page ) ) { 505 $args->per_page = 24; 506 } 507 } 508 509 if ( ! isset( $args->locale ) ) { 510 $args->locale = get_user_locale(); 511 } 512 513 if ( ! isset( $args->wp_version ) ) { 514 $args->wp_version = substr( $wp_version, 0, 3 ); // x.y 515 } 516 517 /** 518 * Filters arguments used to query for installer pages from the WordPress.org Themes API. 519 * 520 * Important: An object MUST be returned to this filter. 521 * 522 * @since 2.8.0 523 * 524 * @param object $args Arguments used to query for installer pages from the WordPress.org Themes API. 525 * @param string $action Requested action. Likely values are 'theme_information', 526 * 'feature_list', or 'query_themes'. 527 */ 528 $args = apply_filters( 'themes_api_args', $args, $action ); 529 530 /** 531 * Filters whether to override the WordPress.org Themes API. 532 * 533 * Returning a non-false value will effectively short-circuit the WordPress.org API request. 534 * 535 * If `$action` is 'query_themes', 'theme_information', or 'feature_list', an object MUST 536 * be passed. If `$action` is 'hot_tags', an array should be passed. 537 * 538 * @since 2.8.0 539 * 540 * @param false|object|array $override Whether to override the WordPress.org Themes API. Default false. 541 * @param string $action Requested action. Likely values are 'theme_information', 542 * 'feature_list', or 'query_themes'. 543 * @param object $args Arguments used to query for installer pages from the Themes API. 544 */ 545 $res = apply_filters( 'themes_api', false, $action, $args ); 546 547 if ( ! $res ) { 548 $url = 'http://api.wordpress.org/themes/info/1.2/'; 549 $url = add_query_arg( 550 array( 551 'action' => $action, 552 'request' => $args, 553 ), 554 $url 555 ); 556 557 $http_url = $url; 558 $ssl = wp_http_supports( array( 'ssl' ) ); 559 if ( $ssl ) { 560 $url = set_url_scheme( $url, 'https' ); 561 } 562 563 $http_args = array( 564 'timeout' => 15, 565 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), 566 ); 567 $request = wp_remote_get( $url, $http_args ); 568 569 if ( $ssl && is_wp_error( $request ) ) { 570 if ( ! wp_doing_ajax() ) { 571 trigger_error( 572 sprintf( 573 /* translators: %s: Support forums URL. */ 574 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 575 __( 'https://wordpress.org/support/forums/' ) 576 ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), 577 headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE 578 ); 579 } 580 $request = wp_remote_get( $http_url, $http_args ); 581 } 582 583 if ( is_wp_error( $request ) ) { 584 $res = new WP_Error( 585 'themes_api_failed', 586 sprintf( 587 /* translators: %s: Support forums URL. */ 588 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 589 __( 'https://wordpress.org/support/forums/' ) 590 ), 591 $request->get_error_message() 592 ); 593 } else { 594 $res = json_decode( wp_remote_retrieve_body( $request ), true ); 595 if ( is_array( $res ) ) { 596 // Object casting is required in order to match the info/1.0 format. 597 $res = (object) $res; 598 } elseif ( null === $res ) { 599 $res = new WP_Error( 600 'themes_api_failed', 601 sprintf( 602 /* translators: %s: Support forums URL. */ 603 __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), 604 __( 'https://wordpress.org/support/forums/' ) 605 ), 606 wp_remote_retrieve_body( $request ) 607 ); 608 } 609 610 if ( isset( $res->error ) ) { 611 $res = new WP_Error( 'themes_api_failed', $res->error ); 612 } 613 } 614 615 if ( ! is_wp_error( $res ) ) { 616 // Back-compat for info/1.2 API, upgrade the theme objects in query_themes to objects. 617 if ( 'query_themes' === $action ) { 618 foreach ( $res->themes as $i => $theme ) { 619 $res->themes[ $i ] = (object) $theme; 620 } 621 } 622 623 // Back-compat for info/1.2 API, downgrade the feature_list result back to an array. 624 if ( 'feature_list' === $action ) { 625 $res = (array) $res; 626 } 627 } 628 } 629 630 /** 631 * Filters the returned WordPress.org Themes API response. 632 * 633 * @since 2.8.0 634 * 635 * @param array|stdClass|WP_Error $res WordPress.org Themes API response. 636 * @param string $action Requested action. Likely values are 'theme_information', 637 * 'feature_list', or 'query_themes'. 638 * @param stdClass $args Arguments used to query for installer pages from the WordPress.org Themes API. 639 */ 640 return apply_filters( 'themes_api_result', $res, $action, $args ); 641 } 642 643 /** 644 * Prepares themes for JavaScript. 645 * 646 * @since 3.8.0 647 * 648 * @param WP_Theme[] $themes Optional. Array of theme objects to prepare. 649 * Defaults to all allowed themes. 650 * 651 * @return array An associative array of theme data, sorted by name. 652 */ 653 function wp_prepare_themes_for_js( $themes = null ) { 654 $current_theme = get_stylesheet(); 655 656 /** 657 * Filters theme data before it is prepared for JavaScript. 658 * 659 * Passing a non-empty array will result in wp_prepare_themes_for_js() returning 660 * early with that value instead. 661 * 662 * @since 4.2.0 663 * 664 * @param array $prepared_themes An associative array of theme data. Default empty array. 665 * @param WP_Theme[]|null $themes An array of theme objects to prepare, if any. 666 * @param string $current_theme The active theme slug. 667 */ 668 $prepared_themes = (array) apply_filters( 'pre_prepare_themes_for_js', array(), $themes, $current_theme ); 669 670 if ( ! empty( $prepared_themes ) ) { 671 return $prepared_themes; 672 } 673 674 // Make sure the active theme is listed first. 675 $prepared_themes[ $current_theme ] = array(); 676 677 if ( null === $themes ) { 678 $themes = wp_get_themes( array( 'allowed' => true ) ); 679 if ( ! isset( $themes[ $current_theme ] ) ) { 680 $themes[ $current_theme ] = wp_get_theme(); 681 } 682 } 683 684 $updates = array(); 685 $no_updates = array(); 686 if ( ! is_multisite() && current_user_can( 'update_themes' ) ) { 687 $updates_transient = get_site_transient( 'update_themes' ); 688 if ( isset( $updates_transient->response ) ) { 689 $updates = $updates_transient->response; 690 } 691 if ( isset( $updates_transient->no_update ) ) { 692 $no_updates = $updates_transient->no_update; 693 } 694 } 695 696 WP_Theme::sort_by_name( $themes ); 697 698 $parents = array(); 699 700 $auto_updates = (array) get_site_option( 'auto_update_themes', array() ); 701 702 foreach ( $themes as $theme ) { 703 $slug = $theme->get_stylesheet(); 704 $encoded_slug = urlencode( $slug ); 705 706 $parent = false; 707 if ( $theme->parent() ) { 708 $parent = $theme->parent(); 709 $parents[ $slug ] = $parent->get_stylesheet(); 710 $parent = $parent->display( 'Name' ); 711 } 712 713 $customize_action = null; 714 715 $can_edit_theme_options = current_user_can( 'edit_theme_options' ); 716 $can_customize = current_user_can( 'customize' ); 717 $is_block_theme = $theme->is_block_theme(); 718 719 if ( $is_block_theme && $can_edit_theme_options ) { 720 $customize_action = admin_url( 'site-editor.php' ); 721 if ( $current_theme !== $slug ) { 722 $customize_action = add_query_arg( 'wp_theme_preview', $slug, $customize_action ); 723 } 724 } elseif ( ! $is_block_theme && $can_customize && $can_edit_theme_options ) { 725 $customize_action = wp_customize_url( $slug ); 726 } 727 if ( null !== $customize_action ) { 728 $customize_action = add_query_arg( 729 array( 730 'return' => urlencode( sanitize_url( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) ), 731 ), 732 $customize_action 733 ); 734 $customize_action = esc_url( $customize_action ); 735 } 736 737 $update_requires_wp = isset( $updates[ $slug ]['requires'] ) ? $updates[ $slug ]['requires'] : null; 738 $update_requires_php = isset( $updates[ $slug ]['requires_php'] ) ? $updates[ $slug ]['requires_php'] : null; 739 740 $auto_update = in_array( $slug, $auto_updates, true ); 741 $auto_update_action = $auto_update ? 'disable-auto-update' : 'enable-auto-update'; 742 743 if ( isset( $updates[ $slug ] ) ) { 744 $auto_update_supported = true; 745 $auto_update_filter_payload = (object) $updates[ $slug ]; 746 } elseif ( isset( $no_updates[ $slug ] ) ) { 747 $auto_update_supported = true; 748 $auto_update_filter_payload = (object) $no_updates[ $slug ]; 749 } else { 750 $auto_update_supported = false; 751 /* 752 * Create the expected payload for the auto_update_theme filter, this is the same data 753 * as contained within $updates or $no_updates but used when the Theme is not known. 754 */ 755 $auto_update_filter_payload = (object) array( 756 'theme' => $slug, 757 'new_version' => $theme->get( 'Version' ), 758 'url' => '', 759 'package' => '', 760 'requires' => $theme->get( 'RequiresWP' ), 761 'requires_php' => $theme->get( 'RequiresPHP' ), 762 ); 763 } 764 765 $auto_update_forced = wp_is_auto_update_forced_for_item( 'theme', null, $auto_update_filter_payload ); 766 767 $prepared_themes[ $slug ] = array( 768 'id' => $slug, 769 'name' => $theme->display( 'Name' ), 770 'screenshot' => array( $theme->get_screenshot() ), // @todo Multiple screenshots. 771 'description' => $theme->display( 'Description' ), 772 'author' => $theme->display( 'Author', false, true ), 773 'authorAndUri' => $theme->display( 'Author' ), 774 'tags' => $theme->display( 'Tags' ), 775 'version' => $theme->get( 'Version' ), 776 'compatibleWP' => is_wp_version_compatible( $theme->get( 'RequiresWP' ) ), 777 'compatiblePHP' => is_php_version_compatible( $theme->get( 'RequiresPHP' ) ), 778 'updateResponse' => array( 779 'compatibleWP' => is_wp_version_compatible( $update_requires_wp ), 780 'compatiblePHP' => is_php_version_compatible( $update_requires_php ), 781 ), 782 'parent' => $parent, 783 'active' => $slug === $current_theme, 784 'hasUpdate' => isset( $updates[ $slug ] ), 785 'hasPackage' => isset( $updates[ $slug ] ) && ! empty( $updates[ $slug ]['package'] ), 786 'update' => get_theme_update_available( $theme ), 787 'autoupdate' => array( 788 'enabled' => $auto_update || $auto_update_forced, 789 'supported' => $auto_update_supported, 790 'forced' => $auto_update_forced, 791 ), 792 'actions' => array( 793 'activate' => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null, 794 'customize' => $customize_action, 795 'delete' => ( ! is_multisite() && current_user_can( 'delete_themes' ) ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null, 796 'autoupdate' => wp_is_auto_update_enabled_for_type( 'theme' ) && ! is_multisite() && current_user_can( 'update_themes' ) 797 ? wp_nonce_url( admin_url( 'themes.php?action=' . $auto_update_action . '&stylesheet=' . $encoded_slug ), 'updates' ) 798 : null, 799 ), 800 'blockTheme' => $theme->is_block_theme(), 801 ); 802 } 803 804 // Remove 'delete' action if theme has an active child. 805 if ( ! empty( $parents ) && array_key_exists( $current_theme, $parents ) ) { 806 unset( $prepared_themes[ $parents[ $current_theme ] ]['actions']['delete'] ); 807 } 808 809 /** 810 * Filters the themes prepared for JavaScript, for themes.php. 811 * 812 * Could be useful for changing the order, which is by name by default. 813 * 814 * @since 3.8.0 815 * 816 * @param array $prepared_themes Array of theme data. 817 */ 818 $prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); 819 $prepared_themes = array_values( $prepared_themes ); 820 return array_filter( $prepared_themes ); 821 } 822 823 /** 824 * Prints JS templates for the theme-browsing UI in the Customizer. 825 * 826 * @since 4.2.0 827 */ 828 function customize_themes_print_templates() { 829 ?> 830 <script type="text/html" id="tmpl-customize-themes-details-view"> 831 <div class="theme-backdrop"></div> 832 <div class="theme-wrap wp-clearfix" role="document"> 833 <div class="theme-header"> 834 <button type="button" class="left dashicons dashicons-no"><span class="screen-reader-text"> 835 <?php 836 /* translators: Hidden accessibility text. */ 837 _e( 'Show previous theme' ); 838 ?> 839 </span></button> 840 <button type="button" class="right dashicons dashicons-no"><span class="screen-reader-text"> 841 <?php 842 /* translators: Hidden accessibility text. */ 843 _e( 'Show next theme' ); 844 ?> 845 </span></button> 846 <button type="button" class="close dashicons dashicons-no"><span class="screen-reader-text"> 847 <?php 848 /* translators: Hidden accessibility text. */ 849 _e( 'Close details dialog' ); 850 ?> 851 </span></button> 852 </div> 853 <div class="theme-about wp-clearfix"> 854 <div class="theme-screenshots"> 855 <# if ( data.screenshot && data.screenshot[0] ) { #> 856 <div class="screenshot"><img src="{{ data.screenshot[0] }}?ver={{ data.version }}" alt="" /></div> 857 <# } else { #> 858 <div class="screenshot blank"></div> 859 <# } #> 860 </div> 861 862 <div class="theme-info"> 863 <# if ( data.active ) { #> 864 <span class="current-label"><?php _e( 'Active Theme' ); ?></span> 865 <# } #> 866 <h2 class="theme-name">{{{ data.name }}}<span class="theme-version"> 867 <?php 868 /* translators: %s: Theme version. */ 869 printf( __( 'Version: %s' ), '{{ data.version }}' ); 870 ?> 871 </span></h2> 872 <h3 class="theme-author"> 873 <?php 874 /* translators: %s: Theme author link. */ 875 printf( __( 'By %s' ), '{{{ data.authorAndUri }}}' ); 876 ?> 877 </h3> 878 879 <# if ( data.stars && 0 != data.num_ratings ) { #> 880 <div class="theme-rating"> 881 {{{ data.stars }}} 882 <a class="num-ratings" target="_blank" href="{{ data.reviews_url }}"> 883 <?php 884 printf( 885 '%1$s <span class="screen-reader-text">%2$s</span>', 886 /* translators: %s: Number of ratings. */ 887 sprintf( __( '(%s ratings)' ), '{{ data.num_ratings }}' ), 888 /* translators: Hidden accessibility text. */ 889 __( '(opens in a new tab)' ) 890 ); 891 ?> 892 </a> 893 </div> 894 <# } #> 895 896 <# if ( data.hasUpdate ) { #> 897 <# if ( data.updateResponse.compatibleWP && data.updateResponse.compatiblePHP ) { #> 898 <div class="notice notice-warning notice-alt notice-large" data-slug="{{ data.id }}"> 899 <h3 class="notice-title"><?php _e( 'Update Available' ); ?></h3> 900 {{{ data.update }}} 901 </div> 902 <# } else { #> 903 <div class="notice notice-error notice-alt notice-large" data-slug="{{ data.id }}"> 904 <h3 class="notice-title"><?php _e( 'Update Incompatible' ); ?></h3> 905 <p> 906 <# if ( ! data.updateResponse.compatibleWP && ! data.updateResponse.compatiblePHP ) { #> 907 <?php 908 printf( 909 /* translators: %s: Theme name. */ 910 __( 'There is a new version of %s available, but it does not work with your versions of WordPress and PHP.' ), 911 '{{{ data.name }}}' 912 ); 913 if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) { 914 printf( 915 /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */ 916 ' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ), 917 self_admin_url( 'update-core.php' ), 918 esc_url( wp_get_update_php_url() ) 919 ); 920 wp_update_php_annotation( '</p><p><em>', '</em>' ); 921 } elseif ( current_user_can( 'update_core' ) ) { 922 printf( 923 /* translators: %s: URL to WordPress Updates screen. */ 924 ' ' . __( '<a href="%s">Please update WordPress</a>.' ), 925 self_admin_url( 'update-core.php' ) 926 ); 927 } elseif ( current_user_can( 'update_php' ) ) { 928 printf( 929 /* translators: %s: URL to Update PHP page. */ 930 ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ), 931 esc_url( wp_get_update_php_url() ) 932 ); 933 wp_update_php_annotation( '</p><p><em>', '</em>' ); 934 } 935 ?> 936 <# } else if ( ! data.updateResponse.compatibleWP ) { #> 937 <?php 938 printf( 939 /* translators: %s: Theme name. */ 940 __( 'There is a new version of %s available, but it does not work with your version of WordPress.' ), 941 '{{{ data.name }}}' 942 ); 943 if ( current_user_can( 'update_core' ) ) { 944 printf( 945 /* translators: %s: URL to WordPress Updates screen. */ 946 ' ' . __( '<a href="%s">Please update WordPress</a>.' ), 947 self_admin_url( 'update-core.php' ) 948 ); 949 } 950 ?> 951 <# } else if ( ! data.updateResponse.compatiblePHP ) { #> 952 <?php 953 printf( 954 /* translators: %s: Theme name. */ 955 __( 'There is a new version of %s available, but it does not work with your version of PHP.' ), 956 '{{{ data.name }}}' 957 ); 958 if ( current_user_can( 'update_php' ) ) { 959 printf( 960 /* translators: %s: URL to Update PHP page. */ 961 ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ), 962 esc_url( wp_get_update_php_url() ) 963 ); 964 wp_update_php_annotation( '</p><p><em>', '</em>' ); 965 } 966 ?> 967 <# } #> 968 </p> 969 </div> 970 <# } #> 971 <# } #> 972 973 <# if ( data.parent ) { #> 974 <p class="parent-theme"> 975 <?php 976 printf( 977 /* translators: %s: Theme name. */ 978 __( 'This is a child theme of %s.' ), 979 '<strong>{{{ data.parent }}}</strong>' 980 ); 981 ?> 982 </p> 983 <# } #> 984 985 <# if ( ! data.compatibleWP || ! data.compatiblePHP ) { #> 986 <div class="notice notice-error notice-alt notice-large"><p> 987 <# if ( ! data.compatibleWP && ! data.compatiblePHP ) { #> 988 <?php 989 _e( 'This theme does not work with your versions of WordPress and PHP.' ); 990 if ( current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) { 991 printf( 992 /* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */ 993 ' ' . __( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ), 994 self_admin_url( 'update-core.php' ), 995 esc_url( wp_get_update_php_url() ) 996 ); 997 wp_update_php_annotation( '</p><p><em>', '</em>' ); 998 } elseif ( current_user_can( 'update_core' ) ) { 999 printf( 1000 /* translators: %s: URL to WordPress Updates screen. */ 1001 ' ' . __( '<a href="%s">Please update WordPress</a>.' ), 1002 self_admin_url( 'update-core.php' ) 1003 ); 1004 } elseif ( current_user_can( 'update_php' ) ) { 1005 printf( 1006 /* translators: %s: URL to Update PHP page. */ 1007 ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ), 1008 esc_url( wp_get_update_php_url() ) 1009 ); 1010 wp_update_php_annotation( '</p><p><em>', '</em>' ); 1011 } 1012 ?> 1013 <# } else if ( ! data.compatibleWP ) { #> 1014 <?php 1015 _e( 'This theme does not work with your version of WordPress.' ); 1016 if ( current_user_can( 'update_core' ) ) { 1017 printf( 1018 /* translators: %s: URL to WordPress Updates screen. */ 1019 ' ' . __( '<a href="%s">Please update WordPress</a>.' ), 1020 self_admin_url( 'update-core.php' ) 1021 ); 1022 } 1023 ?> 1024 <# } else if ( ! data.compatiblePHP ) { #> 1025 <?php 1026 _e( 'This theme does not work with your version of PHP.' ); 1027 if ( current_user_can( 'update_php' ) ) { 1028 printf( 1029 /* translators: %s: URL to Update PHP page. */ 1030 ' ' . __( '<a href="%s">Learn more about updating PHP</a>.' ), 1031 esc_url( wp_get_update_php_url() ) 1032 ); 1033 wp_update_php_annotation( '</p><p><em>', '</em>' ); 1034 } 1035 ?> 1036 <# } #> 1037 </p></div> 1038 <# } else if ( ! data.active && data.blockTheme ) { #> 1039 <div class="notice notice-error notice-alt notice-large"><p> 1040 <?php 1041 _e( 'This theme doesn\'t support Customizer.' ); 1042 ?> 1043 <# if ( data.actions.activate ) { #> 1044 <?php 1045 printf( 1046 /* translators: %s: URL to the themes page (also it activates the theme). */ 1047 ' ' . __( 'However, you can still <a href="%s">activate this theme</a>, and use the Site Editor to customize it.' ), 1048 '{{{ data.actions.activate }}}' 1049 ); 1050 ?> 1051 <# } #> 1052 </p></div> 1053 <# } #> 1054 1055 <p class="theme-description">{{{ data.description }}}</p> 1056 1057 <# if ( data.tags ) { #> 1058 <p class="theme-tags"><span><?php _e( 'Tags:' ); ?></span> {{{ data.tags }}}</p> 1059 <# } #> 1060 </div> 1061 </div> 1062 1063 <div class="theme-actions"> 1064 <# if ( data.active ) { #> 1065 <button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></button> 1066 <# } else if ( 'installed' === data.type ) { #> 1067 <div class="theme-inactive-actions"> 1068 <# if ( data.blockTheme ) { #> 1069 <?php 1070 /* translators: %s: Theme name. */ 1071 $aria_label = sprintf( _x( 'Activate %s', 'theme' ), '{{ data.name }}' ); 1072 ?> 1073 <# if ( data.compatibleWP && data.compatiblePHP && data.actions.activate ) { #> 1074 <a href="{{{ data.actions.activate }}}" class="button button-primary activate" aria-label="<?php echo esc_attr( $aria_label ); ?>"><?php _e( 'Activate' ); ?></a> 1075 <# } #> 1076 <# } else { #> 1077 <# if ( data.compatibleWP && data.compatiblePHP ) { #> 1078 <button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></button> 1079 <# } else { #> 1080 <button class="button button-primary disabled"><?php _e( 'Live Preview' ); ?></button> 1081 <# } #> 1082 <# } #> 1083 </div> 1084 <?php if ( current_user_can( 'delete_themes' ) ) { ?> 1085 <# if ( data.actions && data.actions['delete'] ) { #> 1086 <a href="{{{ data.actions['delete'] }}}" data-slug="{{ data.id }}" class="button button-secondary delete-theme"><?php _e( 'Delete' ); ?></a> 1087 <# } #> 1088 <?php } ?> 1089 <# } else { #> 1090 <# if ( data.compatibleWP && data.compatiblePHP ) { #> 1091 <button type="button" class="button theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></button> 1092 <button type="button" class="button button-primary theme-install preview" data-slug="{{ data.id }}"><?php _e( 'Install & Preview' ); ?></button> 1093 <# } else { #> 1094 <button type="button" class="button disabled"><?php _ex( 'Cannot Install', 'theme' ); ?></button> 1095 <button type="button" class="button button-primary disabled"><?php _e( 'Install & Preview' ); ?></button> 1096 <# } #> 1097 <# } #> 1098 </div> 1099 </div> 1100 </script> 1101 <?php 1102 } 1103 1104 /** 1105 * Determines whether a theme is technically active but was paused while 1106 * loading. 1107 * 1108 * For more information on this and similar theme functions, check out 1109 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ 1110 * Conditional Tags} article in the Theme Developer Handbook. 1111 * 1112 * @since 5.2.0 1113 * 1114 * @global WP_Paused_Extensions_Storage $_paused_themes 1115 * 1116 * @param string $theme Path to the theme directory relative to the themes directory. 1117 * @return bool True, if in the list of paused themes. False, not in the list. 1118 */ 1119 function is_theme_paused( $theme ) { 1120 if ( ! isset( $GLOBALS['_paused_themes'] ) ) { 1121 return false; 1122 } 1123 1124 if ( get_stylesheet() !== $theme && get_template() !== $theme ) { 1125 return false; 1126 } 1127 1128 return array_key_exists( $theme, $GLOBALS['_paused_themes'] ); 1129 } 1130 1131 /** 1132 * Gets the error that was recorded for a paused theme. 1133 * 1134 * @since 5.2.0 1135 * 1136 * @global WP_Paused_Extensions_Storage $_paused_themes 1137 * 1138 * @param string $theme Path to the theme directory relative to the themes 1139 * directory. 1140 * @return array|false Array of error information as it was returned by 1141 * `error_get_last()`, or false if none was recorded. 1142 */ 1143 function wp_get_theme_error( $theme ) { 1144 if ( ! isset( $GLOBALS['_paused_themes'] ) ) { 1145 return false; 1146 } 1147 1148 if ( ! array_key_exists( $theme, $GLOBALS['_paused_themes'] ) ) { 1149 return false; 1150 } 1151 1152 return $GLOBALS['_paused_themes'][ $theme ]; 1153 } 1154 1155 /** 1156 * Tries to resume a single theme. 1157 * 1158 * If a redirect was provided and a functions.php file was found, we first ensure that 1159 * functions.php file does not throw fatal errors anymore. 1160 * 1161 * The way it works is by setting the redirection to the error before trying to 1162 * include the file. If the theme fails, then the redirection will not be overwritten 1163 * with the success message and the theme will not be resumed. 1164 * 1165 * @since 5.2.0 1166 * 1167 * @global string $wp_stylesheet_path Path to current theme's stylesheet directory. 1168 * @global string $wp_template_path Path to current theme's template directory. 1169 * 1170 * @param string $theme Single theme to resume. 1171 * @param string $redirect Optional. URL to redirect to. Default empty string. 1172 * @return bool|WP_Error True on success, false if `$theme` was not paused, 1173 * `WP_Error` on failure. 1174 */ 1175 function resume_theme( $theme, $redirect = '' ) { 1176 global $wp_stylesheet_path, $wp_template_path; 1177 1178 list( $extension ) = explode( '/', $theme ); 1179 1180 /* 1181 * We'll override this later if the theme could be resumed without 1182 * creating a fatal error. 1183 */ 1184 if ( ! empty( $redirect ) ) { 1185 $functions_path = ''; 1186 if ( str_contains( $wp_stylesheet_path, $extension ) ) { 1187 $functions_path = $wp_stylesheet_path . '/functions.php'; 1188 } elseif ( str_contains( $wp_template_path, $extension ) ) { 1189 $functions_path = $wp_template_path . '/functions.php'; 1190 } 1191 1192 if ( ! empty( $functions_path ) ) { 1193 wp_redirect( 1194 add_query_arg( 1195 '_error_nonce', 1196 wp_create_nonce( 'theme-resume-error_' . $theme ), 1197 $redirect 1198 ) 1199 ); 1200 1201 // Load the theme's functions.php to test whether it throws a fatal error. 1202 ob_start(); 1203 if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) { 1204 define( 'WP_SANDBOX_SCRAPING', true ); 1205 } 1206 include $functions_path; 1207 ob_clean(); 1208 } 1209 } 1210 1211 $result = wp_paused_themes()->delete( $extension ); 1212 1213 if ( ! $result ) { 1214 return new WP_Error( 1215 'could_not_resume_theme', 1216 __( 'Could not resume the theme.' ) 1217 ); 1218 } 1219 1220 return true; 1221 } 1222 1223 /** 1224 * Renders an admin notice in case some themes have been paused due to errors. 1225 * 1226 * @since 5.2.0 1227 * 1228 * @global string $pagenow The filename of the current screen. 1229 * @global WP_Paused_Extensions_Storage $_paused_themes 1230 */ 1231 function paused_themes_notice() { 1232 if ( 'themes.php' === $GLOBALS['pagenow'] ) { 1233 return; 1234 } 1235 1236 if ( ! current_user_can( 'resume_themes' ) ) { 1237 return; 1238 } 1239 1240 if ( ! isset( $GLOBALS['_paused_themes'] ) || empty( $GLOBALS['_paused_themes'] ) ) { 1241 return; 1242 } 1243 1244 $message = sprintf( 1245 '<p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p>', 1246 __( 'One or more themes failed to load properly.' ), 1247 __( 'You can find more details and make changes on the Themes screen.' ), 1248 esc_url( admin_url( 'themes.php' ) ), 1249 __( 'Go to the Themes screen' ) 1250 ); 1251 wp_admin_notice( 1252 $message, 1253 array( 1254 'type' => 'error', 1255 'paragraph_wrap' => false, 1256 ) 1257 ); 1258 }
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