.. _cannot-use-"parent"-when-current-class-scope-has-no-parent:

Cannot use "parent" when current class scope has no parent
----------------------------------------------------------
 
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		Cannot use "parent" when current class scope has no parent: ``parent`` keyword represents the first available class in the current class hierarchy.
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Description
___________
 
``parent`` keyword represents the first available class in the current class hierarchy. A class has a ``parent`` class, when that class uses the ``extends`` keyword. When the current class has no such keyword, it has no ``parent`` and cannot use it.

This error applies to ``parent`` as a class descriptor or as a type.

Example
_______

.. code-block:: php

   <?php
   
   class X {
       function foo(parent $y) {
           parent::goo();
       }
   }
   
   ?>

Solutions
_________

+ Add a parent to the current class.
+ Use another class name, instead of ``parent``: for example, the actual name of the target class, rather than the relative one.


In previous PHP versions, this error message used to be :ref:`parameter-uses-'parent'-as-type-hint-although-class-does-not-have-a-parent!`.