PHP比较两个数组的差异

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PHP比较两个数组的差异

array_diff($arr, $arr1); //比较数组差异 $arr = [1,2,3,4]; $arr1 = [1,2,3]; $diff = array_diff($arr, $arr1); dump($diff); //打印输出如下,函数第二个参数为参数值,没有差异则返回空数组 array(1) { [3] => int(4) }…

c#比较两个数组的差异

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Given two arrays, write a function to compute their intersection. Example:Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2, 2]. Note: Each element in the result should appear as many times as it shows in both arrays. The result can be in any ord…

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