3v4l.org

run code in 300+ PHP versions simultaneously
<html><body> This is test. <?php $a="Hello"; $b="world"; echo "$a, $b"; ?> </body></html>
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<html><body> This is test. Hello, world </body></html>
preferences:
104.6 ms | 402 KiB | 88 Q