3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('key' => 'value'); $true = $array['key'] == 'value'; $true = true; var_dump([$true]);
Output for 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(1) { [0]=> bool(true) }
preferences:
187.37 ms | 404 KiB | 211 Q