How can the HTTP headers affect the display of special characters in PHP?

HTTP headers can affect the display of special characters in PHP by specifying the content type and charset. If the content type and charset are not properly set in the HTTP headers, special characters may not be displayed correctly. To solve this issue, you can set the content type header to "text/html" and specify the charset to be used, such as UTF-8. 

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

Keywords

HTTP headers special characters display PHP encoding

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