3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { public function __construct() { echo "BASE\n"; } } trait SayWorld { public function __construct() { echo "TRAIT\n"; parent::__construct(); } } class MyHelloWorld extends Base { use SayWorld; public function __construct() { echo "CHILD\n"; parent::__construct(); } } $o = new MyHelloWorld();
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
CHILD BASE

preferences:
154.27 ms | 407 KiB | 5 Q