3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( (PHP_INT_MAX - 1) / 2, PHP_INT_MAX >> 1, ((PHP_INT_MAX - 1) / 2) === PHP_INT_MAX >> 1 );
Output for 4.4.0 - 4.4.9, 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(4611686018427387903) int(4611686018427387903) bool(true)
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/5smmk on line 4 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/5smmk on line 5 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/5smmk on line 6 Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/5smmk on line 6 float(-0.5) int(0) bool(false)

preferences:
248.64 ms | 402 KiB | 355 Q