public static function isSupported()
    {
        if (null === self::$supported) {
            self::$supported = function_exists('cli_set_process_title') || function_exists('setproctitle');
        }

        return self::$supported;
    }
public static function isSupported()
    {
        if (null === self::$supported) {
            self::$supported = function_exists('cli_set_process_title') || function_exists('setproctitle');
        }

        return self::$supported;
    }
public static function isSupported ( ) { if ( null === self :: $ supported ) { self :: $ supported = function_exists ( 'cli_set_process_title' ) || function_exists ( 'setproctitle' ) ; } return self :: $ supported ; }
Returns whether process titles can be set.

@return bool Returns `true` if process titles can be set and `false`
otherwise.
Returns whether process titles can be set .