3v4l.org

run code in 300+ PHP versions simultaneously
<script language='PHP'> var_dump('foo'); </script> bar <?php var_dump('herp'); ?> derp
Output for 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 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
<script language='PHP'> var_dump('foo'); </script> bar string(4) "herp" derp
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
string(3) "foo" bar string(4) "herp" derp
preferences:
98.62 ms | 407 KiB | 5 Q