// 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)
{
$o_date = new DateAndTime(DB_DATEFORMAT, $date);
return $o_date->toString($user->date_format);
}
+
+// ttRandomString generates a random alphanumeric string.
+function ttRandomString($length = 32) {
+ $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ $charactersLength = strlen($characters);
+ $randomString = '';
+ for ($i = 0; $i < $length; $i++) {
+ $randomString .= $characters[rand(0, $charactersLength - 1)];
+ }
+ return $randomString;
+}