Online PHP editor | refs for IiQ3q

<?php $ids = array ( 0 => array ( 0 => '2', 1 => '13', ), 1 => array ( ), 2 => array ( ), 3 => array ( ), 4 => array ( ), 5 => array ( ), 6 => array ( ), 7 => array ( ), 8 => array ( ), 9 => array ( ), 10 => array ( ), 11 => array ( ), ); print_r(array_reduce($ids, function($carry, $item) { var_dump($item); })); function myfunction($v1,$v2){ return $v1; } $a=array("A","B","C"); print_r(array_reduce($a,"myfunction"));