URL decoding can be done using the built-in 'urldecode' function. This returns the encoded data.
It takes a single parameter ($input) which is the URL that is to be decoded. Returns the decoded string provided the decoding was successful −
<?php echo urldecode("https%3A%2F%2Fmedium.com%2F"). "\n"; ?>
In the above lines of the code, the ‘urldecode’ function takes in the raw (encoded string) and returns the decoded value of the string.
This will produce the following output −