如何檢查數組的子鍵中是否存在鍵?如果該物品的鑰匙被找到,那麼返回該物品?查找數組中的子鍵中存在的鍵?
舉例來說,我有這樣的陣列,
Array
(
[0] => Array
(
[a] => Array
(
[quantity_request] => 1
[time_created] => 1339688613
[variant] => Array
(
)
)
)
[1] => Array
(
[b] => Array
(
[quantity_request] => 1
[time_created] => 1339688631
[variant] => Array
(
)
)
)
[2] => Array
(
[c] => Array
(
[quantity_request] => 1
[time_created] => 1339688959
[variant] => Array
(
)
)
)
)
我想找到鑰匙「B」,並在它返回的一切,像我這是什麼之後,
[b] => Array
(
[quantity_request] => 1
[time_created] => 1339688631
[variant] => Array
(
)
)
我嘗試與此,但沒有回報,
if (array_key_exists('b', $this->content)) {
echo "The 'b' element is in the array";
}
任何想法?
我想有更好的方法,然後循環... – laukok
@lauthiamkok:爲什麼你接受答案呢? – hakre