[concrete5] add expiry time to user registration validation hash (~5.6.x)

userinfo.php

<?php

defined('C5_EXECUTE') or die("Access Denied.");

class UserInfo extends Concrete5_Model_UserInfo {

	public static function getByValidationHash($uHash, $unredeemedHashesOnly = true, $passtimestamp = 604800) {
		$uDateGenerated = time() - $passtimestamp;
		
		$db = Loader::db();
		if ($unredeemedHashesOnly) {
			$uID = $db->GetOne("select uID from UserValidationHashes where uHash = ? and uDateRedeemed = 0 and uDateGenerated > ?", array($uHash,$uDateGenerated));
		} else {
			$uID = $db->GetOne("select uID from UserValidationHashes where uHash = ? and uDateGenerated > ?", array($uHash,$uDateGenerated));
		}
		if ($uID) {
			$ui = UserInfo::getByID($uID);
			return $ui;
		}
	}
		
}