3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( (float) INF > PHP_FLOAT_MAX, (int) INF > PHP_INT_MAX, (float) NAN > PHP_FLOAT_MAX, (int) NAN > PHP_INT_MAX );
Output for 7.2.0 - 7.2.34, 7.3.0 - 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 - 8.3.6
bool(true) bool(false) bool(false) bool(false)
Output for 7.0.23 - 7.0.33, 7.1.9 - 7.1.33
Notice: Use of undefined constant PHP_FLOAT_MAX - assumed 'PHP_FLOAT_MAX' in /in/NE7id on line 3 Notice: Use of undefined constant PHP_FLOAT_MAX - assumed 'PHP_FLOAT_MAX' in /in/NE7id on line 5 bool(true) bool(false) bool(false) bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.22, 7.1.0 - 7.1.8
Notice: Use of undefined constant PHP_FLOAT_MAX - assumed 'PHP_FLOAT_MAX' in /in/NE7id on line 3 Notice: Use of undefined constant PHP_FLOAT_MAX - assumed 'PHP_FLOAT_MAX' in /in/NE7id on line 5 bool(true) bool(false) bool(true) bool(false)

preferences:
282.69 ms | 403 KiB | 383 Q