: Converting plain text strings into hex, base64, or other encoded formats that are decoded only at runtime.

: A classic commercial choice that compiles code into binary files to prevent reverse engineering. Benefits vs. Drawbacks Is PHP obfuscation necessary at all? - Stack Overflow

Developers often turn to these reputable options for protecting their PHP projects:

: A robust commercial alternative that combines obfuscation with bytecode encryption for maximum security.

: Replacing meaningful names like $userPassword with random strings like $a1_7b .