spl_autoload_unregister()
spl_autoload_unregister() — Unregister given function as __autoload() implementation.
Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.1.0, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.
What it does
Removes a function from the autoload queue. If the queue is activated and empty after removing the given function then it will be deactivated.
Signature
spl_autoload_unregister(callable $callback): bool
Parameters
| Parameter | Type | What it takes |
|---|---|---|
| $callback | callable | The autoload function being unregistered. |
Return value
Returns true on success or false on failure.
Example
The PHP manual ships no example for spl_autoload_unregister(); the signature and the parameter table above are the contract.
Changelog
| Version | Change |
|---|---|
| 8.5.0 | Passing the spl_autoload_call() function as a callback argument to unregister all autoloaders has been deprecated. Instead iterate over the return value of spl_autoload_functions() and call spl_autoload_unregister() on each value. |
All PHP 8.5 built-in functions
Reference card built from the PHP manual page spl_autoload_unregister() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.