What is the function in PHP to decode a URL-encoded string?

To decode a URL-encoded string in PHP, you can use the `urldecode()` function. URL encoding is used to encode special characters in a URL to ensure they are properly interpreted by web browsers. When you need to decode a URL-encoded string back to its original form, you can use `urldecode()` to achieve this. 

$url_encoded_string = "Hello%20World%21";
$decoded_string = urldecode($url_encoded_string);

echo $decoded_string; // Output: Hello World!

Keywords

PHP function urldecode URL-encoded string decoding

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