(PHP 5 >= 5.1.0, PHP 7)
spl_autoload_unregister — Unregister given function as __autoload() implementation
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.
autoload_function
The autoload function being unregistered.
Returns true on success or false on failure.
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https://www.php.net/manual/en/function.spl-autoload-unregister.php