PHP already has this: the `disable_functions` INI setting.[1] Disclaimer: I've never had to use this, so don't know what the limitations and pitfalls are for t

PHP already has this: the `disable_functions` INI setting.[1] Disclaimer: I've never had to use this, so don't know what the limitations and pitfalls are for this, and there may be security concerns that I'm unaware of. [1] http://www.php.net/manual/en/ini.core.php#ini.disable-functions http://www.php.net/manual/en/ini.core.php#ini.disable-functi...