使用PHP获取两个数组之间的差集、并集、交集方法

目录

• 1. 差集：
• 2. 并集：
• 3. 交集：

$array1 = [1, 2, 3, 4, 5];
$array2 = [4, 5, 6, 7, 8];
$diff = array_diff($array1, $array2);
print_r($diff);

$array1 = [1, 2, 3, 4, 5];
$array2 = [4, 5, 6, 7, 8];
$union = array_merge($array1, $array2);
$union = array_unique($union);
print_r($union); 

$array1 = [1, 2, 3, 4, 5];
$array2 = [4, 5, 6, 7, 8];
$intersection = array_intersect($array1, $array2);
print_r($intersection);