3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array( 0 == 'test', // true 1 == 'test', // false 2 == 'test', // false 'test' == 'test', // true 'test' == 0, // true ));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> bool(false) [1]=> bool(false) [2]=> bool(false) [3]=> bool(true) [4]=> bool(false) }
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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(5) { [0]=> bool(true) [1]=> bool(false) [2]=> bool(false) [3]=> bool(true) [4]=> bool(true) }
preferences:
202.5 ms | 405 KiB | 378 Q