// 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 true;
}
+// ttValidTemplateText is used to check template-based user input.
+// When templates are used, required input parts must be filled by user.
+// We identify these parts by 3 "stop sign" emojis (aka "octagonal sign" U+1F6D1).
+function ttValidTemplateText($val)
+{
+ $valid = strpos($val, '🛑🛑🛑') === false; // no 3 "stop sign" emojis in a row.
+ return $valid;
+}
+
// ttValidEmail is used to check user input to validate an email string.
function ttValidEmail($val, $emptyValid = false)
{
$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;
+}