private function _getWarningsByFunctionName($sFuncName, $aSubjects)
{
$_aWarnings = array();
foreach ($aSubjects as $_sSubject => $_sWarning) {
if (!call_user_func_array($sFuncName, array($_sSubject))) {
$_aWarnings[] = sprintf($_sWarning, $_sSubject);
}
}
return $_aWarnings;
}