urldecode()

urldecode() — Decodes URL-encoded string.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

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

Signature

urldecode(string $string): string

Parameters

ParameterTypeWhat it takes
$stringstringThe string to be decoded.

Return value

Returns the decoded string.

Example

A runnable snippet:

$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])); } }

See also

urlencode(), rawurlencode(), rawurldecode()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page urldecode() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.