3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = ['a' => 'AA', 'b' => 'BB', 'c' => 'CC']; $info = list($key, $value) = reset($source); var_dump($info); for ($index = 0; $index < 10; $index++) { $info = next($source); if ($info === false) break; var_dump($info); }

preferences:
56.74 ms | 402 KiB | 5 Q