$ar = array( array(1 => 'a', 2 => 50, 3 => 60, 4 => 'long', 5 => 'zzz', 6 => 'kkk', 7 => 'ooo'), array(1 => 'b', 2 => 60, 3 => 70, 4 => 'king', 5 => 'lll', 6 => 'ttt', 7 => 'ppp'), array(1 => 'c', 2 => 70, 3 => 80, 4 => 'quit', 5 => 'qqq', 6 => 'xxx', 7 => 'ccc'),);$kname = array('StaffId', 'Wage', 'Name', 'Work', 'Type');function foo(&$v, $k, $kname) { $v = array_combine($kname, array_slice($v, 1, -1));}array_walk($ar, 'foo', $kname);print_r($ar);

Array(  [0] => Array    (      [StaffId] => 50      [Wage] => 60      [Name] => long      [Work] => zzz      [Type] => kkk    )  [1] => Array    (      [StaffId] => 60      [Wage] => 70      [Name] => king      [Work] => lll      [Type] => ttt    )  [2] => Array    (      [StaffId] => 70      [Wage] => 80      [Name] => quit      [Work] => qqq      [Type] => xxx    ))