3v4l.org

run code in 300+ PHP versions simultaneously
<?php $diff = array_diff_assoc(['hoge' => []], ['fuga' => []]); var_dump($diff);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(1) { ["hoge"]=> array(0) { } }
preferences:
38.99 ms | 402 KiB | 62 Q