php怎样把一个数组放入另一个数组的子数组里面答:arr1 = Array (Array ('a' => 1,'b' => 2,),Array ('a' => 's','b' => 's',),);arr2 = Array (Array ('c'=>array('a','b','c'),),Array ('c'=>array(1,2,3),),);foreach($arr2 as $key=>$value) { foreach($value as $k=>$v) { arr1[$key][...
PHP高手请进。把一个三维数组里的所有二维数组取出来比较,取交集...答://foreach三维,一步步算下去就行 arr = array(array('a'=>'1','b'=>'2','c'=>'5','d'=>'56'),array('a'=>'1','c'=>'5','d'=>'56'),array('a'=>'1','c'=>'5','e'=>'44'),array('a'=>'1','c'=>'5','d'=>'56','f'=>'d'));if (count($...