// isTrue is a helper function to return correct false for older config.php values defined as a string 'false'.
function isTrue($val)
{
- return ($val === true);
+ return (defined($val) && constant($val) === true);
}
// ttValidString is used to check user input to validate a string.
return (substr($string, 0, $len) === $startString);
}
+// ttEndsWith functions checks if a string ends with a given substring.
+function ttEndsWith($string, $endString)
+{
+ $len = strlen($endString);
+ if ($len == 0) return true;
+ return (substr($string, -$len) === $endString);
+}
+
// ttDateToUserFormat converts a date from database format to user format.
function ttDateToUserFormat($date)
{