(PHP 4, PHP 5, PHP 7) Prints out the credits for PHP

(PHP 4, PHP 5, PHP 7) Find out whether an extension is loaded

(PHP 4, PHP 5, PHP 7) Gets the current configuration setting of magic_quotes_gpc

(PHP 4, PHP 5, PHP 7) Loads a PHP extension at runtime

(PHP 5 >= 5.2.4, PHP 7) Retrieve a path to the loaded php.ini file

(PHP 5, PHP 7 >= 5.5.0, PHP 7) Returns the current process title

(PHP 4, PHP 5, PHP 7) Restores the value of a configuration option

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Restores the value of the include_path configuration option