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This article mainly explains "how php reverses array key-value pairs". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how php reverses array key-value pairs.

Method: 1, use array_flip () function, syntax "array_flip ($arr)"; 2, use array_keys () and array_combine () function, syntax "array_combine ($arr,array_keys ($arr)".

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

Php reverses array key-value pairs

Method 1: use the array_flip () function

The array_flip () function can exchange keys and values in an array

Method 2: using array_keys () and array_combine () functions

The array_keys () function returns a new array containing all the key names in the array.

The array_combine () function creates a new array by merging two arrays, one of which is the key name and the other is the key value.

At this point, I believe you have a deeper understanding of "how php reverses array key-value pairs". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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