Are there best practices for handling special characters like "#" in PHP URLs to avoid encoding conflicts?

Special characters like "#" in URLs can cause encoding conflicts when not handled properly. To avoid issues, it's best to encode these special characters using PHP's urlencode() function before including them in URLs. This ensures that the special characters are properly encoded and do not interfere with the URL structure.

$special_character = "#";
$encoded_special_character = urlencode($special_character);
$url = "https://example.com/page.php?param=".$encoded_special_character;
echo $url;