Execute PHP Online

<?php
   $user1 = array('dep','ak', 'kr');
   $user2 = array('ak','pa', 'in');
   $user3 = array('kr', 'an', 'gu');
   $user4 = array('gu','amr', 'mam');
   
   $list = array($user1,$user2,$user3,$user4);
   
    var_dump($list);
   
   foreach($list as $user)
   {
       echo $user[0].'=>';
       echo $user[1].'=>';
       echo $user[2].'=>';
       
       
   }
?>