How can switching to UTF-8 encoding improve the display of special characters in PHP documents?

Switching to UTF-8 encoding in PHP documents can improve the display of special characters by allowing a wider range of characters to be properly encoded and displayed. This is important for languages with special characters, emojis, or symbols that may not be supported by other encodings. To switch to UTF-8 encoding, you can set the character encoding in your PHP document using the header() function. 

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

Keywords

UTF-8 encoding special characters display PHP documents improvement

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