# urldecode

(PHP 4, PHP 5, PHP 7)

urldecode — Decodes URL-encoded string

### Description

urldecode ( string `$str` ) : string

Decodes any `%##` encoding in the given string. Plus symbols ('`+`') are decoded to a space character.

### Parameters

`str`

  The string to be decoded.

### Return Values

Returns the decoded string.

### Examples

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]));
}
}
?>`

### Notes

Warning

The superglobals $_GET and $_REQUEST are already decoded. Using urldecode() on an element in $_GET or $_REQUEST could have unexpected and dangerous results.

### See Also

- urlencode() - URL-encodes string
- rawurlencode() - URL-encode according to RFC 3986
- rawurldecode() - Decode URL-encoded strings
- » RFC 3986