3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar; private $baz; /* don't do this */ function getVal($val) { return $this->{$val}; } /* do this instead */ function getBar() { return $this->bar; } function getBaz() { return $this->baz; } }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 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 - 8.3.26, 8.4.1 - 8.4.13

preferences:
110.72 ms | 407 KiB | 5 Q