How to get parameters from URL in php

To obtain parameters from the URL in PHP, you can use the $_GET super global variable: Make sure the request method is GET. Use the $_GET array to access parameters: keys are parameter names and values ​​are parameter values.

How to get parameters from URL in PHP

In order to get parameters from URL in PHP, you You can use the $_GET superglobal variable.

Steps:

1. Determine the request method: First, check whether the request method is GET. You can use $_SERVER['REQUEST_METHOD'] to get the request method.
2. Access parameters: If the request method is GET, you can use the $_GET array to access the parameters in the query string. $_GET The array is an associative array where the keys are parameter names and the values ​​are parameter values.

Example:

The following example demonstrates how to retrieve a file from the URL https://example.com/index.php?name=John&age=30 Get parameters in:

<code class="php"><?php
// 检查请求方法
if ($_SERVER['REQUEST_METHOD'] == 'GET') {
    // 获取参数
    $name = $_GET['name'];
    $age = $_GET['age'];

    // 输出参数值
    echo "姓名：$name" . PHP_EOL;
    echo "年龄：$age" . PHP_EOL;
}
?></code>

Output:

<code>姓名：John
年龄：30</code>

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