<?php $array = [ 0 => [ 0 => [1,2,3], // +1 1 => [4,5] // +1 ], 1 => [ 0 => [6,7], // +1 1 => [8,9,10] // +1 ] ]; function monkeys($array, &$count) { foreach ($array as $sub) { if (! is_array($sub)) { return ++$count; } else { return monkeys($sub, $count); } } } var_dump(monkeys($array,0));
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