// Do we have start and end marker again?
assert((substr($data, 0, 5) == '[[S]]') && (substr($data, -5, 5) == '[[E]]'));
+ // Remove both
+ $data = substr($data, 6 - 5);
+
// Can it be validated?
if ((strlen($data) % 4) != 0) {
// Length modulo 4 must be zero, else it is an invalid Base64 message