extension_loaded

(3.0.10 - 3.0.18 only, PHP 4 >= 4.0.0)

extension_loaded -- find out whether an extension is loaded

Description

bool extension_loaded (string name)

Returns TRUE if the extension identified by name is loaded. You can see the names of various extensions by using phpinfo().

See also phpinfo().

Note: This function was added in 3.0.10.