3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump('string' == 0); // true var_dump('string' === 0); // false var_dump('string' == '0'); // false var_dump('string' === '0'); // false ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.6
bool(false) bool(false) bool(false) bool(false)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(false) bool(false) bool(false)
preferences:
1202.71 ms | 1622 KiB | 4 Q