Multiple final modifiers are not allowed

Description

One mention of the final option is sufficient to make a method so.

Example

<?php

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

?>

Solutions

• Keep only one mention of final.

Changed Behavior

This error may appear following an evolution in behavior, in previous versions. See ` <https://php-changed-behaviors.readthedocs.io/en/latest/behavior/.html>`_.