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85e65c746a
WordPress/wp-admin/includes/theme.php
Sergey Biryukov 85e65c746a Themes: Add "Block Editor Styles" and "Wide Blocks" to the list of WordPress theme features. 
These were added to Theme Directory API in anticipation of being committed to core for WordPress 5.2+, which has not happened until now.

Follow-up to [meta8273].

Merges [47790] to the 5.3 branch.
See #46272.
Built from https://develop.svn.wordpress.org/branches/5.3@47792


git-svn-id: http://core.svn.wordpress.org/branches/5.3@47568 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2020-05-14 09:23:12 +00:00

939 lines
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PHP
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<?php
/**
* WordPress Theme Administration API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Remove a theme
*
* @since 2.8.0
*
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
*
* @param string $stylesheet Stylesheet of the theme to delete.
* @param string $redirect Redirect to page when complete.
* @return bool|null|WP_Error True on success, false if `$stylesheet` is empty, WP_Error on failure.
* Null if filesystem credentials are required to proceed.
*/
function delete_theme( $stylesheet, $redirect = '' ) {
global $wp_filesystem;
if ( empty( $stylesheet ) ) {
return false;
}
if ( empty( $redirect ) ) {
$redirect = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet );
}
ob_start();
$credentials = request_filesystem_credentials( $redirect );
$data = ob_get_clean();
if ( false === $credentials ) {
if ( ! empty( $data ) ) {
include_once( ABSPATH . 'wp-admin/admin-header.php' );
echo $data;
include( ABSPATH . 'wp-admin/admin-footer.php' );
exit;
}
return;
}
if ( ! WP_Filesystem( $credentials ) ) {
ob_start();
request_filesystem_credentials( $redirect, '', true ); // Failed to connect, Error and request again.
$data = ob_get_clean();
if ( ! empty( $data ) ) {
include_once( ABSPATH . 'wp-admin/admin-header.php' );
echo $data;
include( ABSPATH . 'wp-admin/admin-footer.php' );
exit;
}
return;
}
if ( ! is_object( $wp_filesystem ) ) {
return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
}
if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
}
// Get the base plugin folder.
$themes_dir = $wp_filesystem->wp_themes_dir();
if ( empty( $themes_dir ) ) {
return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) );
}
$themes_dir = trailingslashit( $themes_dir );
$theme_dir = trailingslashit( $themes_dir . $stylesheet );
$deleted = $wp_filesystem->delete( $theme_dir, true );
if ( ! $deleted ) {
return new WP_Error(
'could_not_remove_theme',
/* translators: %s: Theme name. */
sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet )
);
}
$theme_translations = wp_get_installed_translations( 'themes' );
// Remove language files, silently.
if ( ! empty( $theme_translations[ $stylesheet ] ) ) {
$translations = $theme_translations[ $stylesheet ];
foreach ( $translations as $translation => $data ) {
$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' );
$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' );
$json_translation_files = glob( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '-*.json' );
if ( $json_translation_files ) {
array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
}
}
}
// Remove the theme from allowed themes on the network.
if ( is_multisite() ) {
WP_Theme::network_disable_theme( $stylesheet );
}
// Force refresh of theme update information.
delete_site_transient( 'update_themes' );
return true;
}
/**
* Get the Page Templates available in this theme
*
* @since 1.5.0
* @since 4.7.0 Added the `$post_type` parameter.
*
* @param WP_Post|null $post Optional. The post being edited, provided for context.
* @param string $post_type Optional. Post type to get the templates for. Default 'page'.
* @return array Key is the template name, value is the filename of the template
*/
function get_page_templates( $post = null, $post_type = 'page' ) {
return array_flip( wp_get_theme()->get_page_templates( $post, $post_type ) );
}
/**
* Tidies a filename for url display by the theme editor.
*
* @since 2.9.0
* @access private
*
* @param string $fullpath Full path to the theme file
* @param string $containingfolder Path of the theme parent folder
* @return string
*/
function _get_template_edit_filename( $fullpath, $containingfolder ) {
return str_replace( dirname( dirname( $containingfolder ) ), '', $fullpath );
}
/**
* Check if there is an update for a theme available.
*
* Will display link, if there is an update available.
*
* @since 2.7.0
* @see get_theme_update_available()
*
* @param WP_Theme $theme Theme data object.
*/
function theme_update_available( $theme ) {
echo get_theme_update_available( $theme );
}
/**
* Retrieve the update link if there is a theme update available.
*
* Will return a link if there is an update available.
*
* @since 3.8.0
*
* @staticvar object $themes_update
*
* @param WP_Theme $theme WP_Theme object.
* @return false|string HTML for the update link, or false if invalid info was passed.
*/
function get_theme_update_available( $theme ) {
static $themes_update = null;
if ( ! current_user_can( 'update_themes' ) ) {
return false;
}
if ( ! isset( $themes_update ) ) {
$themes_update = get_site_transient( 'update_themes' );
}
if ( ! ( $theme instanceof WP_Theme ) ) {
return false;
}
$stylesheet = $theme->get_stylesheet();
$html = '';
if ( isset( $themes_update->response[ $stylesheet ] ) ) {
$update = $themes_update->response[ $stylesheet ];
$theme_name = $theme->display( 'Name' );
$details_url = add_query_arg(
array(
'TB_iframe' => 'true',
'width' => 1024,
'height' => 800,
),
$update['url']
); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list.
$update_url = wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&amp;theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet );
if ( ! is_multisite() ) {
if ( ! current_user_can( 'update_themes' ) ) {
$html = sprintf(
/* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number. */
'<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ) . '</strong></p>',
$theme_name,
esc_url( $details_url ),
sprintf(
'class="thickbox open-plugin-details-modal" aria-label="%s"',
/* translators: 1: Theme name, 2: Version number. */
esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
),
$update['new_version']
);
} elseif ( empty( $update['package'] ) ) {
$html = sprintf(
/* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number. */
'<p><strong>' . __( 'There is a new version of %1$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>',
$theme_name,
esc_url( $details_url ),
sprintf(
'class="thickbox open-plugin-details-modal" aria-label="%s"',
/* translators: 1: Theme name, 2: Version number. */
esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
),
$update['new_version']
);
} else {
$html = sprintf(
/* translators: 1: Theme name, 2: Theme details URL, 3: Additional link attributes, 4: Version number, 5: Update URL, 6: Additional link attributes. */
'<p><strong>' . __( 'There is a new version of %1$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>',
$theme_name,
esc_url( $details_url ),
sprintf(
'class="thickbox open-plugin-details-modal" aria-label="%s"',
/* translators: 1: Theme name, 2: Version number. */
esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) )
),
$update['new_version'],
$update_url,
sprintf(
'aria-label="%s" id="update-theme" data-slug="%s"',
/* translators: %s: Theme name. */
esc_attr( sprintf( __( 'Update %s now' ), $theme_name ) ),
$stylesheet
)
);
}
}
}
return $html;
}
/**
* Retrieve list of WordPress theme features (aka theme tags).
*
* @since 3.1.0
*
* @param bool $api Optional. Whether try to fetch tags from the WordPress.org API. Defaults to true.
* @return array Array of features keyed by category with translations keyed by slug.
*/
function get_theme_feature_list( $api = true ) {
// Hard-coded list is used if api not accessible.
$features = array(
__( 'Subject' ) => array(
'blog' => __( 'Blog' ),
'e-commerce' => __( 'E-Commerce' ),
'education' => __( 'Education' ),
'entertainment' => __( 'Entertainment' ),
'food-and-drink' => __( 'Food & Drink' ),
'holiday' => __( 'Holiday' ),
'news' => __( 'News' ),
'photography' => __( 'Photography' ),
'portfolio' => __( 'Portfolio' ),
),
__( 'Features' ) => array(
'accessibility-ready' => __( 'Accessibility Ready' ),
'block-styles' => __( 'Block Editor Styles' ),
'custom-background' => __( 'Custom Background' ),
'custom-colors' => __( 'Custom Colors' ),
'custom-header' => __( 'Custom Header' ),
'custom-logo' => __( 'Custom Logo' ),
'editor-style' => __( 'Editor Style' ),
'featured-image-header' => __( 'Featured Image Header' ),
'featured-images' => __( 'Featured Images' ),
'footer-widgets' => __( 'Footer Widgets' ),
'full-width-template' => __( 'Full Width Template' ),
'post-formats' => __( 'Post Formats' ),
'sticky-post' => __( 'Sticky Post' ),
'theme-options' => __( 'Theme Options' ),
),
__( 'Layout' ) => array(
'grid-layout' => __( 'Grid Layout' ),
'one-column' => __( 'One Column' ),
'two-columns' => __( 'Two Columns' ),
'three-columns' => __( 'Three Columns' ),
'four-columns' => __( 'Four Columns' ),
'left-sidebar' => __( 'Left Sidebar' ),
'right-sidebar' => __( 'Right Sidebar' ),
'wide-blocks' => __( 'Wide Blocks' ),
),
);
if ( ! $api || ! current_user_can( 'install_themes' ) ) {
return $features;
}
$feature_list = get_site_transient( 'wporg_theme_feature_list' );
if ( ! $feature_list ) {
set_site_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );
}
if ( ! $feature_list ) {
$feature_list = themes_api( 'feature_list', array() );
if ( is_wp_error( $feature_list ) ) {
return $features;
}
}
if ( ! $feature_list ) {
return $features;
}
set_site_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS );
$category_translations = array(
'Layout' => __( 'Layout' ),
'Features' => __( 'Features' ),
'Subject' => __( 'Subject' ),
);
// Loop over the wporg canonical list and apply translations
$wporg_features = array();
foreach ( (array) $feature_list as $feature_category => $feature_items ) {
if ( isset( $category_translations[ $feature_category ] ) ) {
$feature_category = $category_translations[ $feature_category ];
}
$wporg_features[ $feature_category ] = array();
foreach ( $feature_items as $feature ) {
if ( isset( $features[ $feature_category ][ $feature ] ) ) {
$wporg_features[ $feature_category ][ $feature ] = $features[ $feature_category ][ $feature ];
} else {
$wporg_features[ $feature_category ][ $feature ] = $feature;
}
}
}
return $wporg_features;
}
/**
* Retrieves theme installer pages from the WordPress.org Themes API.
*
* It is possible for a theme to override the Themes API result with three
* filters. Assume this is for themes, which can extend on the Theme Info to
* offer more choices. This is very powerful and must be used with care, when
* overriding the filters.
*
* The first filter, {@see 'themes_api_args'}, is for the args and gives the action
* as the second parameter. The hook for {@see 'themes_api_args'} must ensure that
* an object is returned.
*
* The second filter, {@see 'themes_api'}, allows a plugin to override the WordPress.org
* Theme API entirely. If `$action` is 'query_themes', 'theme_information', or 'feature_list',
* an object MUST be passed. If `$action` is 'hot_tags', an array should be passed.
*
* Finally, the third filter, {@see 'themes_api_result'}, makes it possible to filter the
* response object or array, depending on the `$action` type.
*
* Supported arguments per action:
*
* | Argument Name | 'query_themes' | 'theme_information' | 'hot_tags' | 'feature_list' |
* | -------------------| :------------: | :-----------------: | :--------: | :--------------: |
* | `$slug` | No | Yes | No | No |
* | `$per_page` | Yes | No | No | No |
* | `$page` | Yes | No | No | No |
* | `$number` | No | No | Yes | No |
* | `$search` | Yes | No | No | No |
* | `$tag` | Yes | No | No | No |
* | `$author` | Yes | No | No | No |
* | `$user` | Yes | No | No | No |
* | `$browse` | Yes | No | No | No |
* | `$locale` | Yes | Yes | No | No |
* | `$fields` | Yes | Yes | No | No |
*
* @since 2.8.0
*
* @param string $action API action to perform: 'query_themes', 'theme_information',
* 'hot_tags' or 'feature_list'.
* @param array|object $args {
* Optional. Array or object of arguments to serialize for the Themes API.
*
* @type string $slug The theme slug. Default empty.
* @type int $per_page Number of themes per page. Default 24.
* @type int $page Number of current page. Default 1.
* @type int $number Number of tags to be queried.
* @type string $search A search term. Default empty.
* @type string $tag Tag to filter themes. Default empty.
* @type string $author Username of an author to filter themes. Default empty.
* @type string $user Username to query for their favorites. Default empty.
* @type string $browse Browse view: 'featured', 'popular', 'updated', 'favorites'.
* @type string $locale Locale to provide context-sensitive results. Default is the value of get_locale().
* @type array $fields {
* Array of fields which should or should not be returned.
*
* @type bool $description Whether to return the theme full description. Default false.
* @type bool $sections Whether to return the theme readme sections: description, installation,
* FAQ, screenshots, other notes, and changelog. Default false.
* @type bool $rating Whether to return the rating in percent and total number of ratings.
* Default false.
* @type bool $ratings Whether to return the number of rating for each star (1-5). Default false.
* @type bool $downloaded Whether to return the download count. Default false.
* @type bool $downloadlink Whether to return the download link for the package. Default false.
* @type bool $last_updated Whether to return the date of the last update. Default false.
* @type bool $tags Whether to return the assigned tags. Default false.
* @type bool $homepage Whether to return the theme homepage link. Default false.
* @type bool $screenshots Whether to return the screenshots. Default false.
* @type int $screenshot_count Number of screenshots to return. Default 1.
* @type bool $screenshot_url Whether to return the URL of the first screenshot. Default false.
* @type bool $photon_screenshots Whether to return the screenshots via Photon. Default false.
* @type bool $template Whether to return the slug of the parent theme. Default false.
* @type bool $parent Whether to return the slug, name and homepage of the parent theme. Default false.
* @type bool $versions Whether to return the list of all available versions. Default false.
* @type bool $theme_url Whether to return theme's URL. Default false.
* @type bool $extended_author Whether to return nicename or nicename and display name. Default false.
* }
* }
* @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the
* {@link https://developer.wordpress.org/reference/functions/themes_api/ function reference article}
* for more information on the make-up of possible return objects depending on the value of `$action`.
*/
function themes_api( $action, $args = array() ) {
// include an unmodified $wp_version
include( ABSPATH . WPINC . '/version.php' );
if ( is_array( $args ) ) {
$args = (object) $args;
}
if ( 'query_themes' == $action ) {
if ( ! isset( $args->per_page ) ) {
$args->per_page = 24;
}
}
if ( ! isset( $args->locale ) ) {
$args->locale = get_user_locale();
}
if ( ! isset( $args->wp_version ) ) {
$args->wp_version = substr( $wp_version, 0, 3 ); // X.y
}
/**
* Filters arguments used to query for installer pages from the WordPress.org Themes API.
*
* Important: An object MUST be returned to this filter.
*
* @since 2.8.0
*
* @param object $args Arguments used to query for installer pages from the WordPress.org Themes API.
* @param string $action Requested action. Likely values are 'theme_information',
* 'feature_list', or 'query_themes'.
*/
$args = apply_filters( 'themes_api_args', $args, $action );
/**
* Filters whether to override the WordPress.org Themes API.
*
* Passing a non-false value will effectively short-circuit the WordPress.org API request.
*
* If `$action` is 'query_themes', 'theme_information', or 'feature_list', an object MUST
* be passed. If `$action` is 'hot_tags', an array should be passed.
*
* @since 2.8.0
*
* @param false|object|array $override Whether to override the WordPress.org Themes API. Default false.
* @param string $action Requested action. Likely values are 'theme_information',
* 'feature_list', or 'query_themes'.
* @param object $args Arguments used to query for installer pages from the Themes API.
*/
$res = apply_filters( 'themes_api', false, $action, $args );
if ( ! $res ) {
$url = 'http://api.wordpress.org/themes/info/1.2/';
$url = add_query_arg(
array(
'action' => $action,
'request' => $args,
),
$url
);
$http_url = $url;
$ssl = wp_http_supports( array( 'ssl' ) );
if ( $ssl ) {
$url = set_url_scheme( $url, 'https' );
}
$http_args = array(
'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
);
$request = wp_remote_get( $url, $http_args );
if ( $ssl && is_wp_error( $request ) ) {
if ( ! wp_doing_ajax() ) {
trigger_error(
sprintf(
/* translators: %s: Support forums URL. */
__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
__( 'https://wordpress.org/support/forums/' )
) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
);
}
$request = wp_remote_get( $http_url, $http_args );
}
if ( is_wp_error( $request ) ) {
$res = new WP_Error(
'themes_api_failed',
sprintf(
/* translators: %s: Support forums URL. */
__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
__( 'https://wordpress.org/support/forums/' )
),
$request->get_error_message()
);
} else {
$res = json_decode( wp_remote_retrieve_body( $request ), true );
if ( is_array( $res ) ) {
// Object casting is required in order to match the info/1.0 format.
$res = (object) $res;
} elseif ( null === $res ) {
$res = new WP_Error(
'themes_api_failed',
sprintf(
/* translators: %s: Support forums URL. */
__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
__( 'https://wordpress.org/support/forums/' )
),
wp_remote_retrieve_body( $request )
);
}
if ( isset( $res->error ) ) {
$res = new WP_Error( 'themes_api_failed', $res->error );
}
}
// Back-compat for info/1.2 API, upgrade the theme objects in query_themes to objects.
if ( 'query_themes' == $action ) {
foreach ( $res->themes as $i => $theme ) {
$res->themes[ $i ] = (object) $theme;
}
}
// Back-compat for info/1.2 API, downgrade the feature_list result back to an array.
if ( 'feature_list' == $action ) {
$res = (array) $res;
}
}
/**
* Filters the returned WordPress.org Themes API response.
*
* @since 2.8.0
*
* @param array|object|WP_Error $res WordPress.org Themes API response.
* @param string $action Requested action. Likely values are 'theme_information',
* 'feature_list', or 'query_themes'.
* @param object $args Arguments used to query for installer pages from the WordPress.org Themes API.
*/
return apply_filters( 'themes_api_result', $res, $action, $args );
}
/**
* Prepare themes for JavaScript.
*
* @since 3.8.0
*
* @param WP_Theme[] $themes Optional. Array of theme objects to prepare.
* Defaults to all allowed themes.
*
* @return array An associative array of theme data, sorted by name.
*/
function wp_prepare_themes_for_js( $themes = null ) {
$current_theme = get_stylesheet();
/**
* Filters theme data before it is prepared for JavaScript.
*
* Passing a non-empty array will result in wp_prepare_themes_for_js() returning
* early with that value instead.
*
* @since 4.2.0
*
* @param array $prepared_themes An associative array of theme data. Default empty array.
* @param WP_Theme[]|null $themes An array of theme objects to prepare, if any.
* @param string $current_theme The current theme slug.
*/
$prepared_themes = (array) apply_filters( 'pre_prepare_themes_for_js', array(), $themes, $current_theme );
if ( ! empty( $prepared_themes ) ) {
return $prepared_themes;
}
// Make sure the current theme is listed first.
$prepared_themes[ $current_theme ] = array();
if ( null === $themes ) {
$themes = wp_get_themes( array( 'allowed' => true ) );
if ( ! isset( $themes[ $current_theme ] ) ) {
$themes[ $current_theme ] = wp_get_theme();
}
}
$updates = array();
if ( current_user_can( 'update_themes' ) ) {
$updates_transient = get_site_transient( 'update_themes' );
if ( isset( $updates_transient->response ) ) {
$updates = $updates_transient->response;
}
}
WP_Theme::sort_by_name( $themes );
$parents = array();
foreach ( $themes as $theme ) {
$slug = $theme->get_stylesheet();
$encoded_slug = urlencode( $slug );
$parent = false;
if ( $theme->parent() ) {
$parent = $theme->parent();
$parents[ $slug ] = $parent->get_stylesheet();
$parent = $parent->display( 'Name' );
}
$customize_action = null;
if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
$customize_action = esc_url(
add_query_arg(
array(
'return' => urlencode( esc_url_raw( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) ),
),
wp_customize_url( $slug )
)
);
}
$prepared_themes[ $slug ] = array(
'id' => $slug,
'name' => $theme->display( 'Name' ),
'screenshot' => array( $theme->get_screenshot() ), // @todo multiple
'description' => $theme->display( 'Description' ),
'author' => $theme->display( 'Author', false, true ),
'authorAndUri' => $theme->display( 'Author' ),
'version' => $theme->display( 'Version' ),
'tags' => $theme->display( 'Tags' ),
'parent' => $parent,
'active' => $slug === $current_theme,
'hasUpdate' => isset( $updates[ $slug ] ),
'hasPackage' => isset( $updates[ $slug ] ) && ! empty( $updates[ $slug ]['package'] ),
'update' => get_theme_update_available( $theme ),
'actions' => array(
'activate' => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&amp;stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null,
'customize' => $customize_action,
'delete' => current_user_can( 'delete_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&amp;stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null,
),
);
}
// Remove 'delete' action if theme has an active child
if ( ! empty( $parents ) && array_key_exists( $current_theme, $parents ) ) {
unset( $prepared_themes[ $parents[ $current_theme ] ]['actions']['delete'] );
}
/**
* Filters the themes prepared for JavaScript, for themes.php.
*
* Could be useful for changing the order, which is by name by default.
*
* @since 3.8.0
*
* @param array $prepared_themes Array of theme data.
*/
$prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes );
$prepared_themes = array_values( $prepared_themes );
return array_filter( $prepared_themes );
}
/**
* Print JS templates for the theme-browsing UI in the Customizer.
*
* @since 4.2.0
*/
function customize_themes_print_templates() {
?>
<script type="text/html" id="tmpl-customize-themes-details-view">
<div class="theme-backdrop"></div>
<div class="theme-wrap wp-clearfix" role="document">
<div class="theme-header">
<button type="button" class="left dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show previous theme' ); ?></span></button>
<button type="button" class="right dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show next theme' ); ?></span></button>
<button type="button" class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close details dialog' ); ?></span></button>
</div>
<div class="theme-about wp-clearfix">
<div class="theme-screenshots">
<# if ( data.screenshot && data.screenshot[0] ) { #>
<div class="screenshot"><img src="{{ data.screenshot[0] }}" alt="" /></div>
<# } else { #>
<div class="screenshot blank"></div>
<# } #>
</div>
<div class="theme-info">
<# if ( data.active ) { #>
<span class="current-label"><?php _e( 'Current Theme' ); ?></span>
<# } #>
<h2 class="theme-name">{{{ data.name }}}<span class="theme-version">
<?php
/* translators: %s: Theme version. */
printf( __( 'Version: %s' ), '{{ data.version }}' );
?>
</span></h2>
<h3 class="theme-author">
<?php
/* translators: %s: Theme author link. */
printf( __( 'By %s' ), '{{{ data.authorAndUri }}}' );
?>
</h3>
<# if ( data.stars && 0 != data.num_ratings ) { #>
<div class="theme-rating">
{{{ data.stars }}}
<a class="num-ratings" target="_blank" href="{{ data.reviews_url }}">
<?php
printf(
'%1$s <span class="screen-reader-text">%2$s</span>',
/* translators: %s: Number of ratings. */
sprintf( __( '(%s ratings)' ), '{{ data.num_ratings }}' ),
/* translators: Accessibility text. */
__( '(opens in a new tab)' )
);
?>
</a>
</div>
<# } #>
<# if ( data.hasUpdate ) { #>
<div class="notice notice-warning notice-alt notice-large" data-slug="{{ data.id }}">
<h3 class="notice-title"><?php _e( 'Update Available' ); ?></h3>
{{{ data.update }}}
</div>
<# } #>
<# if ( data.parent ) { #>
<p class="parent-theme">
<?php
printf(
/* translators: %s: Theme name. */
__( 'This is a child theme of %s.' ),
'<strong>{{{ data.parent }}}</strong>'
);
?>
</p>
<# } #>
<p class="theme-description">{{{ data.description }}}</p>
<# if ( data.tags ) { #>
<p class="theme-tags"><span><?php _e( 'Tags:' ); ?></span> {{{ data.tags }}}</p>
<# } #>
</div>
</div>
<div class="theme-actions">
<# if ( data.active ) { #>
<button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></button>
<# } else if ( 'installed' === data.type ) { #>
<?php if ( current_user_can( 'delete_themes' ) ) { ?>
<# if ( data.actions && data.actions['delete'] ) { #>
<a href="{{{ data.actions['delete'] }}}" data-slug="{{ data.id }}" class="button button-secondary delete-theme"><?php _e( 'Delete' ); ?></a>
<# } #>
<?php } ?>
<button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></button>
<# } else { #>
<button type="button" class="button theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></button>
<button type="button" class="button button-primary theme-install preview" data-slug="{{ data.id }}"><?php _e( 'Install &amp; Preview' ); ?></button>
<# } #>
</div>
</div>
</script>
<?php
}
/**
* Determines whether a theme is technically active but was paused while
* loading.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 5.2.0
*
* @param string $theme Path to the theme directory relative to the themes directory.
* @return bool True, if in the list of paused themes. False, not in the list.
*/
function is_theme_paused( $theme ) {
if ( ! isset( $GLOBALS['_paused_themes'] ) ) {
return false;
}
if ( get_stylesheet() !== $theme && get_template() !== $theme ) {
return false;
}
return array_key_exists( $theme, $GLOBALS['_paused_themes'] );
}
/**
* Gets the error that was recorded for a paused theme.
*
* @since 5.2.0
*
* @param string $theme Path to the theme directory relative to the themes
* directory.
* @return array|false Array of error information as it was returned by
* `error_get_last()`, or false if none was recorded.
*/
function wp_get_theme_error( $theme ) {
if ( ! isset( $GLOBALS['_paused_themes'] ) ) {
return false;
}
if ( ! array_key_exists( $theme, $GLOBALS['_paused_themes'] ) ) {
return false;
}
return $GLOBALS['_paused_themes'][ $theme ];
}
/**
* Tries to resume a single theme.
*
* If a redirect was provided and a functions.php file was found, we first ensure that
* functions.php file does not throw fatal errors anymore.
*
* The way it works is by setting the redirection to the error before trying to
* include the file. If the theme fails, then the redirection will not be overwritten
* with the success message and the theme will not be resumed.
*
* @since 5.2.0
*
* @param string $theme Single theme to resume.
* @param string $redirect Optional. URL to redirect to. Default empty string.
* @return bool|WP_Error True on success, false if `$theme` was not paused,
* `WP_Error` on failure.
*/
function resume_theme( $theme, $redirect = '' ) {
list( $extension ) = explode( '/', $theme );
/*
* We'll override this later if the theme could be resumed without
* creating a fatal error.
*/
if ( ! empty( $redirect ) ) {
$functions_path = '';
if ( strpos( STYLESHEETPATH, $extension ) ) {
$functions_path = STYLESHEETPATH . '/functions.php';
} elseif ( strpos( TEMPLATEPATH, $extension ) ) {
$functions_path = TEMPLATEPATH . '/functions.php';
}
if ( ! empty( $functions_path ) ) {
wp_redirect(
add_query_arg(
'_error_nonce',
wp_create_nonce( 'theme-resume-error_' . $theme ),
$redirect
)
);
// Load the theme's functions.php to test whether it throws a fatal error.
ob_start();
if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
define( 'WP_SANDBOX_SCRAPING', true );
}
include $functions_path;
ob_clean();
}
}
$result = wp_paused_themes()->delete( $extension );
if ( ! $result ) {
return new WP_Error(
'could_not_resume_theme',
__( 'Could not resume the theme.' )
);
}
return true;
}
/**
* Renders an admin notice in case some themes have been paused due to errors.
*
* @since 5.2.0
*/
function paused_themes_notice() {
if ( 'themes.php' === $GLOBALS['pagenow'] ) {
return;
}
if ( ! current_user_can( 'resume_themes' ) ) {
return;
}
if ( ! isset( $GLOBALS['_paused_themes'] ) || empty( $GLOBALS['_paused_themes'] ) ) {
return;
}
printf(
'<div class="notice notice-error"><p><strong>%s</strong><br>%s</p><p><a href="%s">%s</a></p></div>',
__( 'One or more themes failed to load properly.' ),
__( 'You can find more details and make changes on the Themes screen.' ),
esc_url( admin_url( 'themes.php' ) ),
__( 'Go to the Themes screen' )
);
}
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