private static function _getDebugBacktraceArguments()
{
$_aArguments = array(defined('DEBUG_BACKTRACE_IGNORE_ARGS') ? DEBUG_BACKTRACE_IGNORE_ARGS : false, 6);
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
unset($_aArguments[1]);
}
return $_aArguments;
}