Is it possible in "php-concat-bypass" to return back ability to...

[aels]

Is it possible in "php-concat-bypass" exploit POC to return back the ability to execute functions like proc_open, popen, passthru etc.?
Not just introduce new function "pwn", but load disabled functions?

Treat it as a feature request. I'll pay 500$ for this in btc.
Love, Peace =*

[mm0r1]

What are the practical reason to do that? Escaping out of the php jail via pwn=system allows you to completely ignore all restrictions set by the interpreter.

[aels]

the only reason is cuz proc_open gives much more control of execution flaw, offering interaction with stdin\stdout, that system do not