3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d1 = new stdClass(); $d1->a = null; $d1->b = ''; $d2 = new stdClass(); $d2->a = null; $d2->b = 0; var_dump($d1 === $d2); var_dump($d1 > $d2); var_dump($d1 < $d2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false) bool(false) bool(true)
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
bool(false) bool(false) bool(false)

preferences:
266.92 ms | 404 KiB | 420 Q