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                # php 數組處理 ![](https://img.kancloud.cn/a6/a2/a6a21e7656fedb8a67f104e0e7b104ea_564x637.png) ****某個值是否在數組中 in\_array:** ![](https://img.kancloud.cn/7a/17/7a17383207b7866f8f159720221c296e_527x517.png) **增加數據到數組 array\_push** ![](https://img.kancloud.cn/92/23/92232ed6c4b06d42336dd2124df8a610_1296x400.png)** **計算數組元素出現的次數 array\_count\_values():** ![](https://img.kancloud.cn/65/b5/65b59c06274f8278b78c772f7f58de04_1171x303.png) **數組指定key是否存在:** array\_key\_exists($key ,$array **獲取數組的交集 array\_intersect()** ![](https://img.kancloud.cn/6c/71/6c7102ed5e075995ded2088af7a734a5_844x525.png) **獲取數組的差集** ![](https://img.kancloud.cn/16/05/16050563c5446bd1b999784785218e2d_854x496.png) **數組合并array\_merge**\*\* ![](https://img.kancloud.cn/5b/5f/5b5fe58a6b941389c5accf5e033293a3_1366x340.png) **數組所有值的和: array\_sum():** 1、使用數組函數:array\_column() 返回輸入數組中某個單一列的值 2、使用數組求和函數:array\_sum() 返回數組中值的和 **數組倒序:array\_reverse:** ![](https://img.kancloud.cn/89/c2/89c2103eeb94bacc6886a0d94e074d21_661x336.png) **array\_keys() 函數返回包含數組中所有鍵名的一個新數組。** ![](https://img.kancloud.cn/e7/75/e77595381581cd190b9fa8c6286e4b29_635x369.png) **數組排序:** ![](https://img.kancloud.cn/51/15/511523e57a41c1319351c3e59da75fb2_428x243.png)![](https://img.kancloud.cn/3f/22/3f22a256bd39453ee068b04f05f88cd5_356x214.png)
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