3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(INF); var_dump(999999999 < INF); var_dump(INF > 99999);
Output for 4.3.6 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
float(INF) bool(true) bool(true)
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant INF - assumed 'INF' in /in/8t7OR on line 3 string(3) "INF" Notice: Use of undefined constant INF - assumed 'INF' in /in/8t7OR on line 4 bool(false) Notice: Use of undefined constant INF - assumed 'INF' in /in/8t7OR on line 5 bool(false)

preferences:
211.91 ms | 402 KiB | 347 Q