PHP remove entry if array value equals to 0 -


this when print_r array. it's multi-dimensional array contains following values.

    [7] => array     (         [0] => 1         [1] => 34         [2] => 181         [3] => 50     )        [9] => array     (         [0] => 1         [1] => 2         [2] => 1         [3] => 47     )     [2] => array     (         [0] => 20         [1] => 0         [2] => 1621         [3] => 45     )    [3] => array     (         [0] => 120         [1] => 0         [2] => 121         [3] => 45     )

i remove entries in key [1] equals 0. after doing modifications, final array should 

    [7] => array     (         [0] => 1         [1] => 34         [2] => 181         [3] => 50     )    [9] => array     (         [0] => 1         [1] => 2         [2] => 1         [3] => 47     )

any ideas ?

foreach rescue: 

foreach($arr $key => $entry) {     if(isset($entry[1]) && $entry[1] === 0) {         unset($arr[$key]);     } }

and array_filter example:

$arr = array_filter($arr, function($entry) {     return $entry[1] !== 0; });

(assumes @ least php 5.3, though can around creating named function , passing second parameter array_filter)


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