# spl_autoload_unregister

(PHP 5 >= 5.1.0, PHP 7)

spl_autoload_unregister — Unregister given function as __autoload() implementation

### Description

spl_autoload_unregister ( mixed `$autoload_function` ) : bool

Removes a function from the autoload queue. If the queue is activated and empty after removing the given function then it will be deactivated.

When this function results in the queue being deactivated, any __autoload function that previously existed will not be reactivated.

### Parameters

`autoload_function`

  The autoload function being unregistered.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.