Chinese character garbled in PHP,

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    2024-01-11T18:05:20+00:00

    This issue typically arises when there's a mismatch in character encoding between the data source, the PHP processing, and the output display. Here are several solutions to address this issue:

    1. Set the Correct Content-Type Header in PHP: Ensure that your PHP script sends the correct content-type header to the browser. This is usually UTF-8 for Chinese characters. You can set this header in PHP by adding the following line at the beginning of your PHP file:

      header('Content-Type: text/html; charset=utf-8');
      
    2. Database Connection Encoding: If you're fetching data from a database, ensure the connection and the database itself are set to use UTF-8 encoding. For MySQL, you can set this by executing the following query after connecting to the database:

      mysqli_set_charset($connection, "utf8");
      

      Replace $connection with your database connection variable.

    3. File Encoding: Ensure that your PHP files are saved in UTF-8 encoding without BOM (Byte Order Mark). You can usually set this in your text editor or IDE.

    4. HTML Meta Tag: In your HTML output, include a meta tag specifying the charset, like this:

      <meta charset="UTF-8">
      
    5. PHP INI Settings: You can also set the default charset in your php.ini configuration file:

      default_charset = "UTF-8"
      
    6. Form Data Encoding: If you're accepting input from HTML forms, ensure the form is sending data in UTF-8 encoding by including the accept-charset attribute:

      <form method="post" accept-charset="UTF-8">
      
    7. Escape/Decode Functions: Sometimes, you might need to manually encode/decode strings using PHP functions like utf8_encode() or utf8_decode().

    8. Check External Files and APIs: If your PHP script is using external files or APIs, verify that they also use UTF-8 encoding.

    In summary, dealing with Chinese character encoding in PHP involves ensuring that all parts of your system (HTML, PHP, database) are correctly set up to handle UTF-8 encoding. This includes setting appropriate headers, saving files in the correct encoding, and configuring database connections properly.

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