+
+// 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)
+{
+ global $user;
+ $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;
+}