如何获取指定键的数组键。 我有阵列状获取关联数组键
Array ( [101] => Array ( [0] => Array ( [Id] => 56 [Val] => 15.25 ) ) [112] => Array ( [0] => Array ( [Id] => 56 [Val] => 15.25 ) ) [223] => Array ( [0] => Array ( [Id] => 56 [Val] => 15.25 ) ) [104] => Array ( [0] => Array ( [Id] => 56 [Val] => 15.25 ) ) [186] => Array ( [0] => Array ( [Id] => 56 [Val] => 15.25 ) ) )
,我有钥匙“104”,如何才能得到数组键多达104只即101112223个键只有不用循环
循环是什么问题? – kapa 2012-03-30 10:51:43