How php combines the two dimensions without changing the key value

How to combine the two-dimensional php without changing the key value, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible method.

In php, you can use the array_merge_recursive () function to merge a two-dimensional array without changing the key value; this function does not override the key name when two or more array elements have the same key name, but recursively forms an array of values with the same key name.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use the array_merge_recursive () function to merge a two-dimensional array without changing the key value.

The array_merge_recursive () function is used to merge one or more arrays into one.

The difference between this function and the array_merge () function is in cases where two or more array elements have the same key name. Array_merge_recursive () does not override the key, but recursively forms an array of values with the same key name.

Example: merge two-dimensional arrays without changing key values

Output:

This is the answer to the question about how php combines the two-dimensional combination without changing the key value. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel for more related knowledge.