3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = <<<X XX X X; echo $x;
Output for 7.3.12 - 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
Parse error: Invalid body indentation level (expecting an indentation level of at least 1) in /in/ipirN on line 3
Process exited with code 255.
Output for 5.3.7 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33
XX X

preferences:
165.72 ms | 403 KiB | 249 Q