Because of these updates, old decoding tools (designed for IonCube 7, 8, or 10) fail catastrophically against version 13.
A decoder for ionCube-encoded PHP files attempts to recover readable PHP source from files encoded with ionCube (v13). Decoding encrypted PHP is typically restricted and may be illegal without the rights holder’s permission. This guide covers legitimate, lawful contexts (e.g., recovering your own lost source, permitted audit). Ioncube 13 Decoder