What potential pitfalls can arise when using German Umlauts in URLs in PHP?

When using German Umlauts in URLs in PHP, potential pitfalls can arise due to encoding issues. To avoid problems, it is recommended to encode the Umlaut characters using UTF-8 before including them in the URL. This ensures that the characters are properly interpreted and displayed in the URL. 

// Encode German Umlauts in URL using UTF-8
$url = 'https://www.example.com/' . urlencode(utf8_encode('überäöü'));
echo $url;

Keywords

German Umlauts URLs PHP encoding htmlentities

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