3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array('a'=>1, 'b'=>2); if (empty($test['c'])) { echo 'empty test c'; } else { echo $test['c']; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
empty test c
preferences:
181.19 ms | 404 KiB | 211 Q