php man page for get_parent_class

GET_PARENT_CLASS(3)							 1						       GET_PARENT_CLASS(3)

get_parent_class - Retrieves the parent class name for object or class

SYNOPSIS
       string get_parent_class ([mixed	$object])

DESCRIPTION
	Retrieves the parent class name for object or class.

PARAMETERS
	      o $object
		- The tested object or class name. This parameter is optional if called from the object's method.

RETURN VALUES
	Returns the name of the parent class of the class of which $object is an instance or the name.

       Note

	       If the object does not have a parent or the class given does not exist FALSE will be returned.

	If called without parameter outside object, this function returns FALSE.

CHANGELOG
       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.1.0	|						    |
       |	|						    |
       |	|  If called without parameter outside object, this |
       |	| function would have returned NULL with a warning, |
       |	| but now returns FALSE.			    |
       |	|						    |
       +--------+---------------------------------------------------+
EXAMPLES
       Example #1

	      Using get_parent_class(3)

	      <?php

	      class dad {
		  function dad()
		  {
		  // implements some logic
		  }
	      }

	      class child extends dad {
		  function child()
		  {
		      echo "I'm " , get_parent_class($this) , "'s son
";
		  }
	      }

	      class child2 extends dad {
		  function child2()
		  {
		      echo "I'm " , get_parent_class('child2') , "'s son too
";
		  }
	      }

	      $foo = new child();
	      $bar = new child2();

	      ?>

	      The above example will output:

	      I'm dad's son
	      I'm dad's son too

SEE ALSO
       get_class(3), is_subclass_of(3).

PHP Documentation Group 												       GET_PARENT_CLASS(3)