1 $ar = array(
 2   array(1 => 'a', 2 => 50, 3 => 60, 4 => 'long', 5 => 'zzz', 6 => 'kkk', 7 => 'ooo'),
 3   array(1 => 'b', 2 => 60, 3 => 70, 4 => 'king', 5 => 'lll', 6 => 'ttt', 7 => 'ppp'),
 4   array(1 => 'c', 2 => 70, 3 => 80, 4 => 'quit', 5 => 'qqq', 6 => 'xxx', 7 => 'ccc'),
 5 );
 6 $kname = array('StaffId', 'Wage', 'Name', 'Work', 'Type');
 7  
 8 function foo(&$v, $k, $kname) {
 9   $v = array_combine($kname, array_slice($v, 1, -1));
10 }
11  
12 array_walk($ar, 'foo', $kname);
13 print_r($ar);

 1 Array
 2 (
 3     [0] => Array
 4         (
 5             [StaffId] => 50
 6             [Wage] => 60
 7             [Name] => long
 8             [Work] => zzz
 9             [Type] => kkk
10         )
11  
12     [1] => Array
13         (
14             [StaffId] => 60
15             [Wage] => 70
16             [Name] => king
17             [Work] => lll
18             [Type] => ttt
19         )
20  
21     [2] => Array
22         (
23             [StaffId] => 70
24             [Wage] => 80
25             [Name] => quit
26             [Work] => qqq
27             [Type] => xxx
28         )
29  
30 )