A detailed introduction to the array_merge function

How to merge PHP arrays? First, let's introduce what array_merge () is: it combines an array unit or multiple array units, and adds the values in an array to the back of the previous array, returns an array of results. In the previous article "PHP array truncation, segmentation, and replacement part of arrays", we introduced the array cutting, segmentation, and replacement, I believe everyone should be able to understand some related function operations of the PHP array. today we will continue to explain another function: array_merge ()... how to merge PHP arrays? First, let's introduce what array_merge () is: it combines an array unit or multiple array units, and adds the values in an array to the back of the previous array, returns an array of results. In the previous article "PHP array truncation, segmentation, and replacement part of arrays", we introduced the array cutting, segmentation, and replacement, I believe everyone should be able to understand some related function operations of the PHP array. today we will continue to explain another function: array_merge (). The array_merge () syntax structure is as follows: array array_merge (array $ array1 [, array $...]) parameter description is required for array1. The first input array. Array2 is required. The second input array. Array3 is optional. Multiple input arrays that can be specified. Next we will introduce array_merge ()

1. how to merge PHP arrays?

Introduction: The array_merge () function combines arrays and returns a Union array. The obtained array starts with the first input array parameter and is immediately added according to the order in which the following array parameters appear. The format is: 1 array array_merge (array array1 array2 ..., ArrayN) combines the units of one or more arrays. the values of an array are appended to the previous array. Returns an array of results. If the input array contains the same string key name, the key name is followed...

8. common array functions in php (7) array merging array_merge () and array_merge_recursive ()

Introduction: common array functions in php (7) array merging array_merge () and array_merge_recursive ()

9. differences between array_merge and array + array in php

Introduction: differences between array_merge and array + array in php

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

Introduction: The background code is written as follows: $ data ['Goods '] = array_merge ($ goods, $ cat_goods, $ all_goods); I used to upload two arrays, an error will be reported if three items are passed in. what can be done ?? I checked the manual, but the manual did not provide a solution. I hope you can give me some advice. thank you...

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The above is a detailed introduction to the array_merge function. For more information, see other related articles in the first PHP community!