3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump([0 => 0] === [0x100000000 => 0]);
Output for 5.4.44 - 5.4.45, 5.5.27 - 5.5.38, 5.6.11 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false)
Output for 5.4.0 - 5.4.43, 5.5.0 - 5.5.26, 5.6.0 - 5.6.10
bool(true)

preferences:
293.31 ms | 402 KiB | 381 Q