如果我有一定的MySQL表包含数据的多维数组,如:创建多维数组的列简单的数组
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))
有没有一种方法来创建一个新的单一阵列中仅包含“ID”值?这是:
array(5255071, 5253758, 5253517, 5252348, ...)
这个想法是为了避免使用foreach循环。提前致谢。
为什么你想避免foreach循环时,这正是那种它用于东西.. – cowls 2013-03-01 14:58:50
你的阵列没有任何意义。最终的结果会像'$ array ['id'] = 103; $ array ['text'] ='blah';' - 你不能在同一个键上有多个元素。 – MarcinWolny 2013-03-01 14:59:07
你能告诉我们你的数组的var_dump()的结果吗? – JoDev 2013-03-01 15:05:20