php 重組數組

一 .代碼
TLog::info(var_export($res,true));
$res = array_map('array_shift', $res);

TLog::info(var_export($res,true));

二.結果

2015-01-09 11:06:34     INFO    PID:0           /data/www/webapp/app_qjob_com/lib/SubscribeService.class.php    line 343        ip:127.0.0.1            array (
  0 => 
  array (
    'object_id' => '4',
  ),
  1 => 
  array (
    'object_id' => '1',
  ),
  2 => 
  array (
    'object_id' => '1',
  ),
  3 => 
  array (
    'object_id' => '1',
  ),
  4 => 
  array (
    'object_id' => '1',
  ),
  5 => 
  array (
    'object_id' => '1',
  ),
)
2015-01-09 11:06:34     INFO    PID:0           /data/www/webapp/app_qjob_com/lib/SubscribeService.class.php    line 346        ip:127.0.0.1            array (
  0 => '4',
  1 => '1',
  2 => '1',
  3 => '1',
  4 => '1',
  5 => '1',
)

三瀏覽器返回

{"errno":0,"data":["4","1","1","1","1","1"]}