Question

php:根据条件合并二维数组

上面数组的id，对应下面数组的star_id.





Answer 1

12345678910111213141516function mergById($arr1, $arr2, $id){ $tmp = array(); foreach($arr2 as $record){ $tmp[$record[$id]][] = $record; } $arr3 = array(); foreach($arr1 as $record){ $arr3[] = $record; if(isset($tmp[$record[$id]])){ foreach($tmp[$record[$id]] as $sameIdRecord){ $arr3[] = $sameIdRecord; } } } return $arr3;}