Cannot use ‘final’ as constant modifier

Description

final is an option for methods, and it is not available for class constants and properties. It becomes a feature with class constants in PHP 8.0.

Example

<?php

class X {
	private static const A  = 1;
}

?>

Alternatives

• Remove the option from the constant signature.

In more recent PHP versions, this error message is now :ref:cannot-use-the-%s-modifier-on-a-%s.