class_alias

(PHP 5 >= 5.3.0, PHP 7)

Creates an alias for a class

bool class_alias ( string $original, string $alias [, bool $autoload = TRUE ] )

Creates an alias named alias based on the user defined class original. The aliased class is exactly the same as the original class.

Parameters:

original

The original class.

alias

The alias name for the class.

autoload

Whether to autoload if the original class is not found.

Returns:

Returns TRUE on success or FALSE on failure.

Examples:

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)