(PHP 4, PHP 5, PHP 7)
urldecode — Decodes URL-encoded string
urldecode ( string $str ) : string
 Decodes any %## encoding in the given string. Plus symbols ('+') are decoded to a space character. 
str
The string to be decoded.
Returns the decoded string.
Example #1 urldecode() example
<?php
$query = "my=apples&are=green+and+red";
foreach (explode('&', $query) as $chunk) {
    $param = explode("=", $chunk);
    if ($param) {
        printf("Value for parameter \"%s\" is \"%s\"<br/>\n", urldecode($param[0]), urldecode($param[1]));
    }
}
?> 
    © 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
    https://www.php.net/manual/en/function.urldecode.php