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Common mistakes and solutions to avoid garbled Chinese characters on PHP web pages

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Release： 2024-03-26 12:44:01

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Common mistakes and solutions to avoid garbled Chinese characters on PHP web pages

When developing websites, we often encounter the problem of garbled Chinese characters on PHP web pages. This not only causes It affects the aesthetics of the website and may also cause trouble for users to read. This article will introduce some common Chinese display garbled problems and solving techniques to help developers avoid these problems and ensure the correct display of Chinese content on the website.

1. Common Chinese display garbled problems

Database character set setting error: When creating a database table, if the correct character set is not set, it will appear when storing Chinese content. Garbled characters. A common situation is that the character set used by the database is inconsistent with the character set used by the web page.
PHP code file encoding problem: The PHP code file uses an encoding format that does not support Chinese when saving, causing Chinese characters to be displayed as garbled characters on the page.
Web page encoding setting error: The charset character set is not set correctly in the header of the web page, or the set character set is inconsistent with the character set of the actual page content, which may cause Chinese characters to be displayed as garbled characters.

2. Solving skills and code examples

The database character set is set correctly: When creating a database table, the character set should be set to utf8 or utf8mb4, so that it can support Store Chinese content. The sample code is as follows:

CREATE TABLE `my_table` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci,
    PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

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The PHP code file is saved in UTF-8 format: When saving a PHP file in the editor, the UTF-8 encoding format should be selected to ensure that Chinese characters are supported. The sample code is as follows:

<?php
header('Content-Type: text/html; charset=utf-8');
?>

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Set the web page character set: Use the meta tag in the header of the web page to set the character set to utf-8 to ensure that the page content is consistent with the web page encoding. The sample code is as follows:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<!-- 页面内容 -->
</body>
</html>

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In summary, by correctly setting the database character set, PHP code file encoding and web page character set, you can effectively avoid the problem of garbled Chinese characters displayed on PHP web pages. Developers should pay attention to these details when writing code to ensure that the Chinese content of the website is displayed normally and improve the user experience.

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