How php removes two values from an array

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Two methods to remove: 1, call the unset () function twice to delete the two elements, syntax "unset (array name [subscript / key name])"; 2, use the array_splice () function to delete two elements from the specified location of the array, syntax "array_splice ($arr, start position, 2)".

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

Two methods for php to remove two values of an array

Method 1: call the unset () function twice to delete two elements

The unset () function deletes a specified element

Syntax:

Unset (array name [subscript]); / / delete an element in the indexed array unset (array name ["key name"]); / / associate an element in the array

Example 1:

Example 2:

Method 2: use the array_splice () function

When the array_splice () function deletes some elements of an array, it combines those deleted elements into a new array.

Example 1: delete 2 elements of the array from the beginning

Example 2: delete 2 elements of the array after the first element

Example 3: delete 2 elements of the array after the second element

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