class_alias
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
class_alias — Creates an alias for a class
Description
class_alias(string
$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.
Parameters
-
class -
The original class.
-
alias -
The alias name for the class.
-
autoload -
Whether to autoload if the original class is not found.
Return Values
Returns true on success or false on failure.
Examples
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)
See Also
- get_parent_class() - Retrieves the parent class name for object or class
- is_subclass_of() - Checks if the object has this class as one of its parents or implements it
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