3v4l.org

run code in 300+ PHP versions simultaneously

@ 2020-08-04T00:03:34Z

<?php

class WithFinalPrivate
{
    public function test() {
        $this->privateNonOverloadable();
        $this->nonFinal();
        self::privateNonOverloadable();
        self::nonFinal();
    }
    final private function privateNonOverloadable() {
        echo __CLASS__, '::', __FUNCTION__, PHP_EOL;
    }
    private function nonFinal() {
        echo __CLASS__, '::', __FUNCTION__, PHP_EOL;
    }
}

class Child extends WithFinalPrivate {

    public function childTest() {
        $this->privateNonOverloadable();
        $this->nonFinal();
        self::privateNonOverloadable();
        self::nonFinal();
    }
    private function privateNonOverloadable() {
        echo __CLASS__, '::', __FUNCTION__, PHP_EOL;
    }
    private function nonFinal() {
        echo __CLASS__, '::', __FUNCTION__, PHP_EOL;
    }
}

$obj = new Child;
$obj->childTest();
$obj->test();

Output for 8.1.23 - 8.1.33, 8.2.10 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Warning: Private methods cannot be final as they are never overridden by other classes in /in/68teR on line 11 Child::privateNonOverloadable Child::nonFinal Child::privateNonOverloadable Child::nonFinal WithFinalPrivate::privateNonOverloadable WithFinalPrivate::nonFinal WithFinalPrivate::privateNonOverloadable WithFinalPrivate::nonFinal
Output for 7.4.0 - 7.4.8: Fatal error: Cannot override final method WithFinalPrivate::privateNonOverloadable() in /in/68teR on line 27
Process exited with code 255.
Output for 7.2.0 - 7.2.32, 7.3.0 - 7.3.20: Fatal error: Cannot override final method WithFinalPrivate::privateNonOverloadable() in /in/68teR on line 33
Process exited with code 255.

preferences:dark modelive previewkey bindings

79.38 ms | 409 KiB | 5 Q