如何只显示此数组中的billing_id？

Question

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [billing_id] => 1
                )

            [1] => Array
                (
                    [billing_id] => 2
                )
         )
) 

how to display only billing_id from this array?

Answer 1

You can use foreach in billing_id array container :

  $my_array = array(0=>array(array('billing_id'=>86),array('billing_id'=>1)));

            $i=0;
            foreach($my_array as $billingid){
                echo $billingid[$i]['billing_id'];
            $i++;}