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<!DOCTYPE html> <html> <body> <?php // Variable to check $url="https://www.xn--w3schools-8taa.com/"; // Encode characters $url = filter_var($url, FILTER_SANITIZE_ENCODED); echo $url; ?> </body> </html>
https%3A%2F%2Fwww.w3schools%C3%85%C3%85.com
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