/**
* Sets the Steam Web API key
*
* @param string $apiKey The 128bit API key that has to be requested from
* http://steamcommunity.com/dev
* @throws WebApiException if the given API key is not a valid 128bit
* hexadecimal string
*/
public static function setApiKey($apiKey)
{
if ($apiKey != null && !preg_match('/^[0-9A-F]{32}$/', $apiKey)) {
throw new WebApiException(WebApiException::INVALID_KEY);
}
self::$apiKey = $apiKey;
}
