How php does array flipping

This article introduces the knowledge of "how to flip arrays in php". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In php, you can use the array_reverse () function to flip the array, which reverses the order of the elements in the original array, creates a new array, and returns; syntax "array_reverse (array,preserve)".

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

In php, you can use the array_reverse () function to flip the array.

The array_reverse () function returns the array in the reverse order of elements. This function flips the order of the elements in the original array, creates a new array, and returns.

Syntax:

Array_reverse (array,preserve)

Preserve: optional. Specifies whether to retain the key name of the original array. If true is specified, the key name of the element remains the same, otherwise the key name will be lost.

Example:

Return to the original array, flip array:

Returns a flipped array that retains the key name of the original array

This is the end of "how to flip arrays in php". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!