wp_validate_boolean() WordPress Function

function wp_validate_boolean( $var ) {
	if ( is_bool( $var ) ) {
		return $var;
	}

	if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
		return false;
	}

	return (bool) $var;
}
Used By	Description
wp-includes/category-template.php:get_term_parents_list()	Retrieves term parents with separator.
wp-includes/class-wp-xmlrpc-server.php:wp_xmlrpc_server::_toggle_sticky()	Encapsulate the logic for sticking a post and determining if the user has permission to do so
wp-includes/media.php:wp_video_shortcode()	Builds the Video shortcode output.
wp-includes/media.php:wp_playlist_shortcode()	Builds the Playlist shortcode output.
wp-includes/media.php:wp_audio_shortcode()	Builds the Audio shortcode output.