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# 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.

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