How php removes an element from the middle of an array

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

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