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HomeBackend DevelopmentPHP Tutorial10 recommended content for array_merge()

1 $arr1 = array(1, 2, 3, 4, 'color'=>'red'); 2 $arr2 = array('a', 'b', 'c', 'color'=>'blue'); 3 print_r(array_merge($arr1, $arr2));//同名索引的值会覆盖 4 print_r(array_merge_recursive($arr1, $arr2));//相同的键名 不会覆盖,如果是单个元素会在转为一个一维数组 两个函数作用都是合并数组。参数可以是1到n个数组。(呃,不明白参数是1个数组的时候啥用的。谁知道告诉我。)   输出结果: 第3行: Array(    [0] => 1 &

1. 有关php array_merge()函数的文章推荐10篇

10 recommended content for array_merge()

简介:1 $arr1 = array(1, 2, 3, 4, 'color'=>'red');2 $arr2 = array('a', 'b', 'c', 'color'=>'blue');3 print_r(array_merge($arr1, $ar

2. 关于array_merge函数的详细介绍

10 recommended content for array_merge()

简介:PHP数组如何合并?首先我们来介绍一下什么是array_merge():它是将一个数组单元或者多个数组单元进行合并起来,一个数组中的值,赋加在前面一个的数组后面,返回作为结果的数组。在上一篇文章《PHP数组的截取,等分以及替换部分数组》中,我们介绍了数组的切割,等分,以及替换,相信大家应该都能够理解了PHP数组的一些相关函数操作,那么今天我们继续给大家来讲解另外一个函数:array_merge()...

3. PHP数组如何合并?

10 recommended content for array_merge()

简介:首先我们来介绍一下什么是array_merge():它是将一个数组单元或者多个数组单元进行合并起来,一个数组中的值,赋加在前面一个的数组后面,返回作为结果的数组。

4. PHP数组函数(合并,拆分,追加,查找,删除等)

10 recommended content for array_merge()

简介:array_merge()函数将数组合并到一起,返回一个联合的数组。所得到的数组以第一个输入数组参数开始,按后面数组参数出现的顺序依次迫加。其形式为:

5. php数组拼接

10 recommended content for array_merge()

简介:合并数组 array_merge()函数将数组合并到一起,返回一个联合的数组。所得到的数组以第一个输入数组参数开始,按后面数组参数出现的顺序依次迫加。其形式为: 1 array array_merge (array array1 array2…,arrayN) 将一个或多个数组的单元合并起来,一个数组中的值附加在前一个数组的后面。返回作为结果的数组。 如果输入的数组中有相同的字符串键名,则该键名后面 ...

6. php中的常用数组函数(七) 数组合并 array_merge()和array_merge_recursive()

简介:php中的常用数组函数(七) 数组合并 array_merge()和array_merge_recursive()

7. Warning: array_merge(): Argument #3 is not an array

Introduction: The background code is written like this $data['goods'] = array_merge($goods, $cat_goods, $all_goods); I used to pass two arrays, but now I will report an error if I pass three. What’s the explanation? ? I checked the manual, but there is no solution given in the manual. I hope you can give me some advice. Thank you all. I...

8. thinkphp array merging

Introduction: The problem encountered when doing infinite classification is to read out all the third-level directories contained in the first-level directory according to the ID of the first-level directory. After the foreach loop reads out, there are 5 How can arrays be merged into one array? I have used the array_merge() function, but the result is still 5 arrays and the merging was not successful. {...

##9. The method of merging arrays in php php calls the class method php calls the parent class method php learning introductory method

Introduction: PHP, method: Method of merging arrays in PHP: There are two ways to merge arrays in PHP. Let me explain the specific method slowly: 1. The array_merge() function merges arrays Specific examples are as follows: 'uid=1', 'order' => 'uid', 'limit' => '5' ); $b = array( 'where' => 'uid=2', 'order' => 'uid desc', ); $c = array_m

10. Merge methods and example codes for merging multiple arrays into one array under php

Introduction: Merge: Methods and example codes for merging multiple arrays into one array under php: 1. Merge arrays The array_merge() function merges arrays together and returns a combined array. The resulting array starts with the first input array parameter, and is added sequentially in the order in which subsequent array parameters appear. Its form is: Copy code The code is as follows: array array_merge (array array1 array2...,arrayN) Merges the cells of one or more arrays, and the values ​​in one array are appended to the previous array. Returns the resulting array. If there are the same words in the input array

【Related Q&A recommendations】:

thinkphp - PHP array merge

php - Warning: array_merge(): Argument #3 is not an array

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