如果我有一定的MySQL表包含數據的多維數組,如:創建多維數組的列簡單的數組
Array ([0] => Array ([0] => 5255071 [id] => 5255071 [1] => 2013-02-28 20:40:48 [sent] => 2013-02-28 20:40:48) [1] => Array ([0] => 5253758 [id] => 5253758 [1] => 2010-11-16 12:56:39 [sent] => 2010-11-16 12:56:39) [2] => Array ([0] => 5253517 [id] => 5253517 [1] => 2010-11-16 12:43:57 [sent] => 2010-11-16 12:43:57) [3] => Array ([0] => 5252348 [id] => 5252348 [1] => 2010-11-16 11:19:35 [sent] => 2010-11-16 11:19:35) [4] => Array ([0] => 5252343 [id] => 5252343 [1] => 2010-11-16 11:19:01 [sent] => 2010-11-16 11:19:01) [5] => Array ([0] => 5252254 [id] => 5252254 [1] => 2010-11-16 11:11:26 [sent] => 2010-11-16 11:11:26) [6] => Array ([0] => 5251390 [id] => 5251390 [1] => 2010-11-16 09:16:57 [sent] => 2010-11-16 09:16:57) [7] => Array ([0] => 5249381 [id] => 5249381 [1] => 2010-11-16 03:01:32 [sent] => 2010-11-16 03:01:32) [8] => Array ([0] => 5249086 [id] => 5249086 [1] => 2010-11-16 02:47:30 [sent] => 2010-11-16 02:47:30) [9] => Array ([0] => 5247987 [id] => 5247987 [1] => 2010-11-16 01:59:34 [sent] => 2010-11-16 01:59:34) [10] => Array ([0] => 5247325 [id] => 5247325 [1] => 2010-11-16 01:33:12 [sent] => 2010-11-16 01:33:12))
有沒有一種方法來創建一個新的單一陣列中僅包含「ID」值?這是:
array(5255071, 5253758, 5253517, 5252348, ...)
這個想法是爲了避免使用foreach循環。提前致謝。
爲什麼你想避免foreach循環時,這正是那種它用於東西.. – cowls 2013-03-01 14:58:50
你的陣列沒有任何意義。最終的結果會像'$ array ['id'] = 103; $ array ['text'] ='blah';' - 你不能在同一個鍵上有多個元素。 – MarcinWolny 2013-03-01 14:59:07
你能告訴我們你的數組的var_dump()的結果嗎? – JoDev 2013-03-01 15:05:20