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themes_api() WP 2.8.0

Retrieves theme installer pages from the WordPress.org Themes API.

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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, themes_api_args, is for the args and gives the action as the second parameter. The hook for themes_api_args must ensure that an object is returned.

The second filter, 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, 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
Хуки из функции

Возвращает

Объект|Массив|WP_Error. Response object or array on success, WP_Error on failure. See the function reference article for more information on the make-up of possible return objects depending on the value of $action.

Использование

themes_api( $action, $args );
$action(строка) (обязательный)
API action to perform: 'query_themes', 'theme_information', 'hot_tags' or 'feature_list'.
$args(массив|объект)

Array or object of arguments to serialize for the Themes API.

По умолчанию: array()

  • slug(строка)
    The theme slug.
    По умолчанию: ''

  • per_page(int)
    Number of themes per page.
    По умолчанию: 24

  • page(int)
    Number of current page.
    По умолчанию: 1

  • number(int)
    Number of tags to be queried.

  • search(строка)
    A search term.
    По умолчанию: ''

  • tag(строка)
    Tag to filter themes.
    По умолчанию: ''

  • author(строка)
    Username of an author to filter themes.
    По умолчанию: ''

  • user(строка)
    Username to query for their favorites.
    По умолчанию: ''

  • browse(строка)
    Browse view: 'featured', 'popular', 'updated', 'favorites'.

  • locale(строка)
    Locale to provide context-sensitive results.
    По умолчанию: value of get_locale()

  • fields(массив)
    Array of fields which should or should not be returned.

    • description(true|false)
      Whether to return the theme full description.
      По умолчанию: false

    • sections(true|false)
      Whether to return the theme readme sections: description, installation, FAQ, screenshots, other notes, and changelog.
      По умолчанию: false

    • rating(true|false)
      Whether to return the rating in percent and total number of ratings.
      По умолчанию: false

    • ratings(true|false)
      Whether to return the number of rating for each star (1-5).
      По умолчанию: false

    • downloaded(true|false)
      Whether to return the download count.
      По умолчанию: false

    • downloadlink(true|false)
      Whether to return the download link for the package.
      По умолчанию: false

    • last_updated(true|false)
      Whether to return the date of the last update.
      По умолчанию: false

    • tags(true|false)
      Whether to return the assigned tags.
      По умолчанию: false

    • homepage(true|false)
      Whether to return the theme homepage link.
      По умолчанию: false

    • screenshots(true|false)
      Whether to return the screenshots.
      По умолчанию: false

    • screenshot_count(int)
      Number of screenshots to return.
      По умолчанию: 1

    • screenshot_url(true|false)
      Whether to return the URL of the first screenshot.
      По умолчанию: false

    • photon_screenshots(true|false)
      Whether to return the screenshots via Photon.
      По умолчанию: false

    • template(true|false)
      Whether to return the slug of the parent theme.
      По умолчанию: false

    • parent(true|false)
      Whether to return the slug, name and homepage of the parent theme.
      По умолчанию: false

    • versions(true|false)
      Whether to return the list of all available versions.
      По умолчанию: false

    • theme_url(true|false)
      Whether to return theme's URL.
      По умолчанию: false

    • extended_author(true|false)
      Whether to return nicename or nicename and display name.
      По умолчанию: false

Список изменений

С версии 2.8.0 Введена.

Код themes_api() WP 5.8.1

function themes_api( $action, $args = array() ) {
	// Include an unmodified $wp_version.
	require 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 );
}