How can the use of Unicode (UTF-8) in PHP files improve compatibility with special characters and Umlauts?

Special characters and Umlauts may not display correctly in PHP files if they are not encoded properly. By using Unicode (UTF-8) encoding in PHP files, you can ensure compatibility with a wide range of special characters and Umlauts, allowing them to be displayed correctly on web pages. 

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

Keywords

Unicode UTF-8 PHP files compatibility Umlauts

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