3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i=0; $i<10000000; $i++) { $var = 'foo'; }
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
preferences:
165.36 ms | 403 KiB | 192 Q