3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(version_compare('o', "1.0.0")); var_dump(version_compare('p', "1.0.0")); var_dump(version_compare('q', "1.0.0"));
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(-1) int(1) int(-1)
preferences:
117.79 ms | 1696 KiB | 4 Q