PHP | rawurldecode() function

The rawurldecode() function is an inbuilt function in PHP which is used to decode the encoded string. This function returns the decoded URL (original URL string) as a string. This function replaces the % sign followed by two hex value with literal characters.

Syntax:

string rawurldecode( $str )

Parameters: This function accepts single parameters $str which is mandatory. It is used to store the encoded URL.

Return Value: This function returns the decode URL string.

Below programs illustrate the rawurldecode() function in PHP.

Program 1:

<?php
    echo rawurldecode("A%20computer%20science%20portal%20for%20geek");
?>

Output:

A computer science portal for geek

Program 2:

<?PHP
$str = 'GeeksforGeeks A computer science portal for geek';

// Encode the given string
$encode_str = rawurlencode($str);
echo "Encoded string: " . $encode_str . "<br>";

// Decode the encoded string
$decode_str = rawurldecode($encode_str);
echo "Decoded string: " . $decode_str;
?>

Output:

Encoded string: GeeksforGeeks%20A%20computer%20science%20portal%20for%20geek
Decoded string: GeeksforGeeks A computer science portal for geek

Reference: http://php.net/manual/en/function.rawurldecode.php