(PHP 4, PHP 5 < 5.5) Gets the logo guid string

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

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Returns the type of interface between web server and PHP

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

(PHP 4, PHP 5, PHP 7) Gets the inode of the current script

(PHP 4, PHP 5) Alias of

(PHP 5, PHP 7) Returns a unique identifier for the current thread

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

(PHP 5 >= 5.2.1, PHP 7) Returns directory path used for temporary files

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Gets all configuration options