3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(false >= "\0"); var_dump(false >= "0"); var_dump(false >= 0); var_dump(0 >= "\0"); var_dump(0 >= "0"); var_dump(0 >= 0); var_dump(1 >= "\0"); var_dump(1 >= "0"); var_dump(1 >= 0);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(false) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true) bool(true)
preferences:
129.76 ms | 410 KiB | 5 Q