In PHP, How Can A Valid HTTP Header In UTF-8 Be Set, Ensuring It Is Compatible With The W3C Validator?

To set the HTTP header to UTF-8 in PHP, you can use the header() function with the appropriate Content-Type header value. Here’s an example:

header("Content-Type: text/html; charset=UTF-8");

This sets the Content-Type header to "text/html" with a character encoding of UTF-8.

Make sure to place this code before any output is sent to the browser, including HTML, whitespace, or error messages. Also, ensure that you’re using a UTF-8 encoded file to avoid any encoding issues.

By setting the Content-Type header correctly, your PHP script will generate valid HTTP headers that conform to the W3C validator’s requirements.

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