Online PHP editor | refs for s6AK7

<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; echo 'count($flat): ' . count($flat) . PHP_EOL; echo 'count($flat, 1): ' . count($flat, 1) . PHP_EOL; echo 'count($treeish): ' . count($treeish) . PHP_EOL; echo 'count($treeish, 1): ' . count($treeish, 1) . PHP_EOL;