- array_intersect: documentation ( source)
- print_r: documentation ( source)
- array_shift: documentation ( source)
- array_filter: documentation ( source)
<?php
$array = array();
$array[] = array('441', '442', '443');
$array[] = array('441', '443');
$array[] = array('441', '442',);
$array[] = array();
$array = array_filter($array);
$res_arr = array_shift($array);
foreach($array as $filter){
$res_arr = array_intersect($res_arr, $filter);
}
print_r($res_arr);