3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('0e462097431906509019562988736854' == '0e830400451993494058024219903391'); // true everywhere var_dump('123456789012345678901234567890' == '123456789012345678900000000000'); // false in PHP 5.4.4+
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14, 8.4.1
bool(true) bool(false)
preferences:
84.24 ms | 408 KiB | 5 Q