<?php foreach($arr as $item){ }
Standard input is empty
Array ( [0] => Array ( [0] => A1 [1] => C4 [2] => A1 ) ) Array ( [0] => Array ( [0] => A12 [1] => C4 [2] => A1 ) ) Array ( [0] => Array ( [0] => A12 [1] => C4 [2] => A1 ) ) Array ( [0] => Array ( [0] => A12 [1] => C4 [2] => A1 ) )