3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class lol { private function __construct() {} private function asdf(){} } class rofl extends lol { public function __construct() { echo "hi"; } public function asdf(){ echo 'blah'; } } (new rofl())->asdf();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
hiblah

preferences:
148.68 ms | 403 KiB | 169 Q