Private methods cannot be final as they are never overridden by other classes

Description

Final methods are only available in the class where they are defined. If such a method is defined in one of the child class, it is considered a distinct method. As such, the final keyword doesn’t apply, and even is misleading.

Example

<?php

class X {
     private final function foo() {}
}

?>

Solutions

• Remove the final keyword in the method definition.

• Change the visibility to protected to public.