(PHP 5 >= 5.3.0, PHP 7, PHP 8)
class_alias — Creates an alias for a class
$class, string $alias, bool $autoload = true): bool
Creates an alias named alias
based on the user defined class class.
The aliased class is exactly the same as the original class.
classThe original class.
aliasThe alias name for the class.
autoloadWhether to autoload if the original class is not found.
Returns true on success or false on failure.
Example #1 class_alias() example
<?php
class Foo { }
class_alias('Foo', 'Bar');
$a = new Foo;
$b = new Bar;
// the objects are the same
var_dump($a == $b, $a === $b);
var_dump($a instanceof $b);
// the classes are the same
var_dump($a instanceof Foo);
var_dump($a instanceof Bar);
var_dump($b instanceof Foo);
var_dump($b instanceof Bar);
?>
The above example will output:
bool(true) bool(false) bool(true) bool(true) bool(true) bool(true) bool(true)