if ( ! $this->template && ! ( $this->template = $this->headers['Template'] ) ) {
$this->template = $this->stylesheet;
if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet . '/index.php' ) ) {
- $this->errors = new WP_Error( 'theme_no_index', __( 'Template is missing.' ) );
+ $error_message = sprintf(
+ /* translators: 1: index.php, 2: Codex URL, 3: style.css */
+ __( 'Template is missing. Standalone themes need to have a %1$s template file. <a href="%2$s">Child themes</a> need to have a Template header in the %3$s stylesheet.' ),
+ '<code>index.php</code>',
+ __( 'https://codex.wordpress.org/Child_Themes' ),
+ '<code>style.css</code>'
+ );
+ $this->errors = new WP_Error( 'theme_no_index', $error_message );
$this->cache_add( 'theme', array( 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template ) );
return;
}
*
* @staticvar array $properties
*
- * @return bool
+ * @param string $offset Property to check if set.
+ * @return bool Whether the given property is set.
*/
public function __isset( $offset ) {
static $properties = array(
/**
* __get() magic method for properties formerly returned by current_theme_info()
*
- * @return mixed
+ * @param string $offset Property to get.
+ * @return mixed Property value.
*/
public function __get( $offset ) {
switch ( $offset ) {
*
* @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site'
* settings, or 'both'. Defaults to 'both'.
- * @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current blog.
+ * @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site.
* @return bool Whether the theme is allowed for the network. Returns true in single-site.
*/
public function is_allowed( $check = 'both', $blog_id = null ) {
* @static
* @access public
*
- * @param int $blog_id Optional. Defaults to current blog.
+ * @param int $blog_id Optional. ID of the site. Defaults to the current site.
* @return array Array of stylesheet names.
*/
public static function get_allowed( $blog_id = null ) {
/**
- * Filter the array of themes allowed on the site or network.
+ * Filter the array of themes allowed on the network.
*
- * @since MU
+ * Site is provided as context so that a list of network allowed themes can
+ * be filtered further.
+ *
+ * @since 4.5.0
*
* @param array $allowed_themes An array of theme stylesheet names.
+ * @param int $blog_id ID of the site.
*/
- $network = (array) apply_filters( 'allowed_themes', self::get_allowed_on_network() );
+ $network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id );
return $network + self::get_allowed_on_site( $blog_id );
}
*/
public static function get_allowed_on_network() {
static $allowed_themes;
- if ( ! isset( $allowed_themes ) )
+ if ( ! isset( $allowed_themes ) ) {
$allowed_themes = (array) get_site_option( 'allowedthemes' );
+ }
+
+ /**
+ * Filter the array of themes allowed on the network.
+ *
+ * @since MU
+ *
+ * @param array $allowed_themes An array of theme stylesheet names.
+ */
+ $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes );
+
return $allowed_themes;
}
*
* @staticvar array $allowed_themes
*
- * @param int $blog_id Optional. Defaults to current blog.
+ * @param int $blog_id Optional. ID of the site. Defaults to the current site.
* @return array Array of stylesheet names.
*/
public static function get_allowed_on_site( $blog_id = null ) {
if ( ! $blog_id || ! is_multisite() )
$blog_id = get_current_blog_id();
- if ( isset( $allowed_themes[ $blog_id ] ) )
- return $allowed_themes[ $blog_id ];
+ if ( isset( $allowed_themes[ $blog_id ] ) ) {
+ /**
+ * Filter the array of themes allowed on the site.
+ *
+ * @since 4.5.0
+ *
+ * @param array $allowed_themes An array of theme stylesheet names.
+ * @param int $blog_id ID of the site. Defaults to current site.
+ */
+ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
+ }
$current = $blog_id == get_current_blog_id();
}
}
- return (array) $allowed_themes[ $blog_id ];
+ /** This filter is documented in wp-includes/class-wp-theme.php */
+ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
}
/**
- * Sort themes by name.
+ * Sorts themes by name.
*
* @since 3.4.0
*
* @static
* @access public
+ *
+ * @param array $themes Array of themes to sort, passed by reference.
*/
public static function sort_by_name( &$themes ) {
if ( 0 === strpos( get_locale(), 'en_' ) ) {
* @static
* @access private
*
- * @return int
+ * @param string $a First name.
+ * @param string $b Second name.
+ * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
+ * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
*/
private static function _name_sort( $a, $b ) {
return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] );
* @static
* @access private
*
- * @return int
+ * @param string $a First name.
+ * @param string $b Second name.
+ * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally.
+ * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort().
*/
private static function _name_sort_i18n( $a, $b ) {
// Don't mark up; Do translate.
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