Array
(
[0] => Array
(
[id] => 14
[fid] => 12
[name] => PS图片
[val] => photoshop
)

[1] => Array
(
[id] => 15
[fid] => 12
[name] => 我的摄影
[val] => myphoto
)
后面还有很多·····
)
当get['val'] = myphoto时，请问怎么找出数组的子集并赋值给$arr呢？不知道如何foreach ,拜托拜托大家赐教了！！！