How to remove two values from an array in php

Two removal methods: 1. Call the unset() function twice to delete two elements respectively, the syntax is "unset(array name [subscript/key name])"; 2. Use the array_splice() function Delete two elements from the specified position in the array, the syntax is "array_splice($arr, starting position, 2)".

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

php removes the array two Two methods for a value

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

The unset() function can Delete a specified element

Syntax:

unset(数组名[下标]); //删除索引数组中的一个元素 unset(数组名["键名"]); //关联数组中的一个元素

Example 1:

Example 2:

"red","b"=>"green","c"=>"blue","d"=>"blue"); var_dump($arr); unset($arr["b"]); unset($arr["d"]); var_dump($arr); ?>

Method 2: Use the array_splice() function

When the array_splice() function deletes some elements of the array, it will form these deleted elements into a new one. array.

Example 1: Delete 2 elements from the array from the beginning

Example 2: Delete 2 elements from the array after the 1st element

Example 3: Delete 2 elements from the array after the 2nd element

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