3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((string) false === ''); var_dump((string) true === '1');
Output for 5.6.38, 7.1.0 - 7.1.25, 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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
bool(true) bool(true)
preferences:
152.96 ms | 407 KiB | 5 Q