3v4l.org

run code in 300+ PHP versions simultaneously
<?php class boo{ function __constructor(){ $this->sagHallo(); } private function sagHallo(){ echo "Hallo :D"; } } $bla= new boo();
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
preferences:
202.92 ms | 405 KiB | 237 Q