3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = print("hello world"); var_dump($var); echo "\n"; echo $var; echo "\n"; print $var; echo "\n"; echo print("hello world"); echo "\n"; print (print("hello world")); echo "\n"; print("hello world"); ?>

preferences:
55.82 ms | 402 KiB | 5 Q