How to get data in form through PHP post method? (code example)-PHP Tutorial-php.cn

Home

Backend Development

PHP Tutorial

How to get data in form through PHP post method? (code example)

藏色散人

Aug 27, 2018 pm 03:17 PM

In the process of website development, we usually encounter related operations on php form forms. For example, if PHP obtains form data with post submission method, how to operate it? If you have read my [How does PHP obtain form form data through the get method? 】In this article, I believe everyone already has a certain understanding of the method of php $_GET[] variable to obtain form data.

Then this article will continue to give you a detailed introduction to how PHP obtains form form data through the post method.

There are specific code examples below:

1. Form form code (post method submission form example):

<html>
<head>
    <meta charset="utf-8">
    <title>form表单post方法示例</title>
</head>
<body>
<form action="/test/test.php" method="post" >
    <form action="test.php" method="post">
        名字: <input type="text" name="fname"><br>
        年龄: <input type="text" name="age"><br>
        <input type="submit" value="提交">
    </form>
</form>
</body>
</html>

Access through browser, the effect is As shown below:

How to get data in form through PHP post method? (code example)

As shown above, we enter the name and age and click submit to the test.php file.

2. The test.php code is as follows (php gets post data):

<?php
header("content-type:text/html;charset=utf-8");         //设置编码
?>
欢迎 <?php echo $_POST["fname"]; ?>!<br>
你的年龄是 <?php echo $_POST["age"]; ?>  岁。

Here we get the form through the PHP $_POST[] variable The form data is the fname and age parameters (recommended to refer to Chapter 2 of PHP Zero Basics Introductory Tutorial: PHP Form). After submission, the browser access result is as follows:

How to get data in form through PHP post method? (code example)

You can notice here that no form parameters appear in the link in the browser address bar. That is to say, the form information submitted by PHP obtained through the post method is not displayed at all in the address bar. In web form design, most people use the post submission method because it is much more secure than the get method for submitting forms, can avoid the leakage of sensitive information, and there is no limit to the amount of information sent by post. But since the variable does not appear in the URL, the page cannot be bookmarked.

The above content is about the specific method and function of PHP to obtain post submission form data. It has certain reference value and I hope it will be helpful to friends in need.

The above is the detailed content of How to get data in form through PHP post method? (code example). For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

How do you create and use an interface in PHP?Apr 30, 2025 pm 03:40 PM

The article explains how to create, implement, and use interfaces in PHP, focusing on their benefits for code organization and maintainability.

What is the difference between crypt() and password_hash()?Apr 30, 2025 pm 03:39 PM

The article discusses the differences between crypt() and password_hash() in PHP for password hashing, focusing on their implementation, security, and suitability for modern web applications.

How can you prevent Cross-Site Scripting (XSS) in PHP?Apr 30, 2025 pm 03:38 PM

Article discusses preventing Cross-Site Scripting (XSS) in PHP through input validation, output encoding, and using tools like OWASP ESAPI and HTML Purifier.

What is autoloading in PHP?Apr 30, 2025 pm 03:37 PM

Autoloading in PHP automatically loads class files when needed, improving performance by reducing memory use and enhancing code organization. Best practices include using PSR-4 and organizing code effectively.

What are PHP streams?Apr 30, 2025 pm 03:36 PM

PHP streams unify handling of resources like files, network sockets, and compression formats via a consistent API, abstracting complexity and enhancing code flexibility and efficiency.

What is the maximum size of a file that can be uploaded using PHP ?Apr 30, 2025 pm 03:35 PM

The article discusses managing file upload sizes in PHP, focusing on the default limit of 2MB and how to increase it by modifying php.ini settings.

What is Nullable types in PHP ?Apr 30, 2025 pm 03:34 PM

The article discusses nullable types in PHP, introduced in PHP 7.1, allowing variables or parameters to be either a specified type or null. It highlights benefits like improved readability, type safety, and explicit intent, and explains how to declar

What is the difference between the unset() and unlink() functions ?Apr 30, 2025 pm 03:33 PM

The article discusses the differences between unset() and unlink() functions in programming, focusing on their purposes and use cases. Unset() removes variables from memory, while unlink() deletes files from the filesystem. Both are crucial for effec

See all articles