3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump("foo" == 0); var_dump("foo" == true); var_dump(true != 0); var_dump(null == 0); var_dump(null < -1); var_dump(0 > -1);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
bool(false) bool(true) bool(true) bool(true) bool(true) bool(true)
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(true) bool(true) bool(true) bool(true) bool(true)
preferences:
114.45 ms | 1530 KiB | 4 Q