php man page for class_alias

CLASS_ALIAS(3)								 1							    CLASS_ALIAS(3)

class_alias - Creates an alias for a class

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

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

PARAMETERS
	      o $original
		- The original class.

	      o $alias
		- The alias name for the class.

	      o $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(3) 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(3), is_subclass_of(3).

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