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Today, I would like to share with you how php removes an element from the array. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article.

Removal method: 1, use "$index=floor (count ($arr1) / 2);" statement to get the index in the middle of the array; 2, use array_splice () to delete an element from the obtained index, syntax "array_splice ($arr1,$index,1);".

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

Php method of removing an element from the middle of an array

In php, you can use the array_splice () function to remove an element from the middle of an array.

Simply delete one element from the middle using the array_splice () function.

Realize the idea:

Get the intermediate location index-- using floor () and count ()

Get the length of the array with count () and divide it by 2

Because to consider, in the case of odd number, it is necessary to round down with floor ().

The array_splice () function deletes 1 element from the intermediate index location.

Implementation example:

When the array length is odd

When the length of the array is even

That's all of the article "how php removes an element from an array". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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