Do not rely on obfuscation alone. Protect the most critical components (e.g., licensing checks) by putting them behind a web API (Software as a Service). By moving the logic to a server you control, you render any attempt to crack the local client code irrelevant.
What is your ? (e.g., shared hosting, dedicated VPS, Docker/AWS containers)
// Original: system('ls'); // Obfuscated $f = chr(115).chr(121).chr(115).chr(116).chr(101).chr(109); $f('ls');
Clone the obfuscator repository or download the package.
Elias smiled, sipping his coffee. "Just a bit of ," he replied. "Keeps the bugs out."