How to remove key from array in php

php method to remove the key of the array: 1. Create a php sample file; 2. Define the parameter "$arr" as the array to be operated on; 3. Use the "array_values()" function to remove the key in the array Just key.

The operating environment of this article: Windows 10 system, php8.1.3 version, dell g3 computer.

Function introduction:

In PHP, you can use the array_values() function to remove the key name key in the array.

The array_values() function in PHP can get the values ​​of all elements in the array

Function syntax:

array_values(array)

array_values() function is to return the values ​​of all elements in the array. It is very simple to use. With only one required parameter, it can return an array containing all the values ​​in the given array, but does not retain the key name. . The returned array will be in the form of an indexed array, with array indices starting at 0 and increasing by 1.

array_values() function is particularly suitable for arrays with confusing element subscripts, or for converting associative arrays into indexed arrays.

Example: array_values() function removes keys from the array

Code implementation:

<?php
header("Content-type:text/html;charset=utf-8");
$arr=array("id" => 1, "姓名" => "张三", "年龄" => 20, "性别" => "男", "课程" => &#39;PHP编程&#39;,"网站" => &#39;php中文网&#39;);
var_dump($arr);
var_dump(array_values($arr));
?>

Output result:

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