X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Freferral-functions.php;h=4bb7e4305ba065d0a2311e68ad9f3664221f207b;hp=6078e378fa309f9a80c15a0ec5968dc2a60aa8cd;hb=0ed9eaa5aea8db1f690a983a39ff4b2074faf6c5;hpb=63f159414369b5ea19a8ca75d8cd8033c45d8341

diff --git a/inc/referral-functions.php b/inc/referral-functions.php
index 6078e378fa..4bb7e4305b 100644
--- a/inc/referral-functions.php
+++ b/inc/referral-functions.php
@@ -44,7 +44,7 @@ if (!defined('__SECURITY')) {
 function initReferralSystem () {
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, ' Referral system initialized!');
 	$GLOBALS['ref_level']  = NULL;
-	$GLOBALS['ref_system'] = true;
+	$GLOBALS['ref_system'] = TRUE;
 }
 
 // Getter fro ref level percents
@@ -52,11 +52,11 @@ function getReferralLevelPercents ($level) {
 	// Default is zero
 	$data['percents'] = '0';
 
-	// Do we have cache?
+	// Is there cache?
 	if ((isset($GLOBALS['cache_array']['refdepths']['level'])) && (isExtensionActive('cache'))) {
 		// First look for level
 		$key = array_search($level, $GLOBALS['cache_array']['refdepths']['level']);
-		if ($key !== false) {
+		if ($key !== FALSE) {
 			// Entry found
 			$data['percents'] = $GLOBALS['cache_array']['refdepths']['percents'][$key];
 
@@ -83,7 +83,7 @@ function getReferralLevelPercents ($level) {
 }
 
 /**
- * Dynamic referral and points system, can also send mails!
+ * Dynamic Referral and points system, can also send mails!
  *
  * subject       = Subject line, write in lower-case letters and underscore is allowed
  * userid        = Referral id wich should receive...
@@ -93,14 +93,14 @@ function getReferralLevelPercents ($level) {
 function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NULL) {
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'subject=' . $subject . ',userid=' . $userid . ',points=' . $points . ',refid=' . convertNullToZero($refid) . ' - ENTERED!');
 	// By default nothing has been added
-	$added = false;
+	$added = FALSE;
 
 	// Determine payment method and notification
 	$paymentMethod = strtoupper(getPaymentMethodFromSubject($subject));
 	$sendNotify    = isPaymentRecipientNotificationEnabled($subject);
 
 	// When $userid is NULL add points to jackpot
-	if ((!isValidUserId($userid)) && ($paymentMethod == 'DIRECT') && (isExtensionActive('jackpot'))) {
+	if ((!isValidId($userid)) && ($paymentMethod == 'DIRECT') && (isExtensionActive('jackpot'))) {
 		// Add points to jackpot only in DIRECT mode
 		return addPointsToJackpot($points);
 	} // END - if
@@ -128,7 +128,7 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 
 			// Pay refback here if level > 0 and in ref-mode
 			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'subject=' . $subject . ',userid=' . $userid . ',refid=' . convertNullToZero(getUserData('refid')) . ',points=' . $points . ',paymentMethod=' . $paymentMethod);
-			if (($userid != $refid) && (substr($subject, 0, 8) != 'refback:') &&($paymentMethod == 'REFERRAL') && (isValidUserId(getUserData('refid'))) && (isExtensionActive('refback'))) {
+			if (($userid != $refid) && (substr($subject, 0, 8) != 'refback:') &&($paymentMethod == 'REFERRAL') && (isValidId(getUserData('refid'))) && (isExtensionActive('refback'))) {
 				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'subject=' . $subject . ',userid=' . $userid . ',refid=' . convertNullToZero(getUserData('refid')) . ',ref_points=' . $ref_points . ',depth=' . convertNullToZero($GLOBALS['ref_level']) . ' - BEFORE!');
 				$ref_points = addRefbackPoints($userid, getUserData('refid'), $points, $ref_points);
 				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'subject=' . $subject . ',userid=' . $userid . ',refid=' . convertNullToZero(getUserData('refid')) . ',ref_points=' . $ref_points . ',depth=' . convertNullToZero($GLOBALS['ref_level']) . ' - AFTER!');
@@ -160,7 +160,7 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 			// No entry updated?
 			if (SQL_HASZEROAFFECTED()) {
 				// First ref in this level! :-)
-				SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_points` (`userid`,`ref_depth`,`%s`) VALUES (%s, %s, %s)",
+				SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_points` (`userid`, `ref_depth`, `%s`) VALUES (%s, %s, %s)",
 					array(
 						$pointsColumn,
 						bigintval($userid),
@@ -200,7 +200,7 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'subject=' . $subject . ',userid=' . $userid . ',refid=' . $refid . ',paymentMethod=' . $paymentMethod . ',sendNotify=' . intval($sendNotify) . ',isLocked=' . intval($isLocked));
 
 			// Send "referral confirmed" mails out?
-			if ((isValidUserid($refid)) && ($refid != $userid) && ($sendNotify === true)) {
+			if ((isValidUserid($refid)) && ($refid != $userid) && ($sendNotify === TRUE)) {
 				// Calculate the referral's points and percents
 				$percentsReferral = getReferralLevelPercents($GLOBALS['ref_level'] + 1);
 
@@ -222,11 +222,11 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 				$message = loadEmailTemplate('guest_user_confirmed_referral', $content, bigintval($userid));
 
 				// Send email
-				sendEmail($userid, '{--THANX_REFERRAL_ONE_SUBJECT--}', $message);
+				sendEmail($userid, '{--THANKS_REFERRAL_ONE_SUBJECT--}', $message);
 			} // END - if
 
 			// Points updated, maybe I shall send him an email?
-			if (($sendNotify === true) && ($isLocked === false)) {
+			if (($sendNotify === TRUE) && ($isLocked === FALSE)) {
 				// "Explode" subject
 				$subjectArray = explode(':', $subject);
 				$subjectUserid = (isset($subjectArray[1])) ? $subjectArray[1] : '0';
@@ -262,7 +262,7 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 				);
 			} // END - if
 
-			// Increase referral level, if payment method is REFERRAL
+			// Increase referral level, if payment method is 'REFERRAL'
 			if ($paymentMethod == 'REFERRAL') {
 				// Increase it
 				$GLOBALS['ref_level']++;
@@ -277,7 +277,7 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 
 			// Maybe there's another ref?
 			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'points=' . $points . ',refid(var|data)=' . convertNullToZero($refid) . '|' . convertNullToZero(getUserData('refid')) . ',userid=' . $userid . ',paymentMethod=' . $paymentMethod . ',subject=' . $subject . ',ref_level=' . $GLOBALS['ref_level']);
-			if ((isValidUserId(getUserData('refid'))) && ($points > 0) && (getUserData('refid') != $userid) && ($paymentMethod == 'REFERRAL')) {
+			if (($paymentMethod == 'REFERRAL') && (isValidId(getUserData('refid'))) && ($points > 0) && (getUserData('refid') != $userid)) {
 				// Is _ref there?
 				if (substr($subject, -4, 4) == '_ref') {
 					// Then remove it, no double _ref suffix!
@@ -299,62 +299,62 @@ function addPointsThroughReferralSystem ($subject, $userid, $points, $refid = NU
 function updateReferralCounter ($userid) {
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ' - ENTERED!');
 	// Init referral id
-	$ref = NULL;
+	$refid = NULL;
 
 	// Check for his referral
 	if (fetchUserData($userid)) {
 		// Get it
-		$ref = getUserData('refid');
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',ref=' . convertZeroToNull($ref) . ' - FETCHED!');
+		$refid = getUserData('refid');
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',refid=' . convertZeroToNull($refid) . ' - FETCHED!');
 	} // END - if
 
 	// Init entries
 	if (empty($GLOBALS['cache_array']['ref_level'][$userid])) {
 		$GLOBALS['cache_array']['ref_level'][$userid] = NULL;
 	} // END - if
-	if (empty($GLOBALS['cache_array']['ref_level'][$ref])) {
-		$GLOBALS['cache_array']['ref_level'][$ref] = NULL;
+	if (empty($GLOBALS['cache_array']['ref_level'][$refid])) {
+		$GLOBALS['cache_array']['ref_level'][$refid] = NULL;
 	} // END - if
 
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',ref=' . convertZeroToNull($ref));
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',refid=' . convertZeroToNull($refid));
 
 	// When he has a referral...
-	if (($ref > 0) && ($ref != $userid)) {
+	if ((isValidId($refid)) && ($refid != $userid)) {
 		// Move to next referral level and count his counter one up
-		$GLOBALS['cache_array']['ref_level'][$ref] = $GLOBALS['cache_array']['ref_level'][$userid] + 1;
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',ref(' . $ref . ')=' . $GLOBALS['cache_array']['ref_level'][$ref] . ' - ADVANCED!');
+		$GLOBALS['cache_array']['ref_level'][$refid] = $GLOBALS['cache_array']['ref_level'][$userid] + 1;
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',refid(' . $refid . ')=' . $GLOBALS['cache_array']['ref_level'][$refid] . ' - ADVANCED!');
 
 		// Update counter
 		SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_refsystem` SET `counter`=`counter`+1 WHERE `userid`=%s AND `level`=%s LIMIT 1",
 			array(
-				bigintval($ref),
-				bigintval($GLOBALS['cache_array']['ref_level'][$ref])
+				bigintval($refid),
+				bigintval($GLOBALS['cache_array']['ref_level'][$refid])
 			), __FUNCTION__, __LINE__);
 
 		// When no entry was updated then we have to create it here
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'ref=' . $ref . ',level=' . $GLOBALS['cache_array']['ref_level'][$ref] . ',updated=' . SQL_AFFECTEDROWS());
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'refid=' . $refid . ',level=' . $GLOBALS['cache_array']['ref_level'][$refid] . ',updated=' . SQL_AFFECTEDROWS());
 		if (SQL_HASZEROAFFECTED()) {
 			// First count!
-			SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_refsystem` (`userid`,`level`,`counter`) VALUES (%s,%s,1)",
+			SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_refsystem` (`userid`, `level`, `counter`) VALUES (%s,%s,1)",
 				array(
-					bigintval($ref),
-					convertZeroToNull($GLOBALS['cache_array']['ref_level'][$ref])
+					bigintval($refid),
+					convertZeroToNull($GLOBALS['cache_array']['ref_level'][$refid])
 				), __FUNCTION__, __LINE__);
-			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'ref=' . $ref . ',level=' . $GLOBALS['cache_array']['ref_level'][$ref] . ',SQL_AFFECTEDROWS()=' . SQL_AFFECTEDROWS());
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'refid=' . $refid . ',level=' . $GLOBALS['cache_array']['ref_level'][$refid] . ',SQL_AFFECTEDROWS()=' . SQL_AFFECTEDROWS());
 		} // END - if
 
 		// Advance to next level
-		updateReferralCounter($ref);
-	} elseif ((($ref == $userid) || ($ref == '0')) && (isExtensionInstalledAndNewer('cache', '0.1.2'))) {
+		updateReferralCounter($refid);
+	} elseif ((($refid == $userid) || (!isValidId($refid))) && (isExtensionInstalledAndNewer('cache', '0.1.2'))) {
 		// Remove cache here
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'ref=' . convertZeroToNull($ref) . ' - CACHE!');
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'refid=' . convertZeroToNull($refid) . ' - CACHE!');
 		rebuildCache('refsystem', 'refsystem');
 	}
 
 	// Update the referral table
 	updateReferralTable($userid);
 
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',ref=' . convertZeroToNull($ref) . ',level=' . convertZeroToNull($GLOBALS['cache_array']['ref_level'][$ref]) . ' - EXIT!');
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',refid=' . convertZeroToNull($refid) . ',level=' . convertZeroToNull($GLOBALS['cache_array']['ref_level'][$refid]) . ' - EXIT!');
 }
 
 // Subtract points from database and mediadata cache
@@ -372,6 +372,7 @@ function subtractPoints ($subject, $userid, $points) {
 		'userid'      => $userid,
 		'points'      => $points,
 		'points_mode' => 'sub',
+		'column'      => 'used_points',
 		'added'       => (!SQL_HASZEROAFFECTED())
 	);
 
@@ -388,24 +389,30 @@ function getUserReferralPoints ($userid, $level) {
 	$refs = array();
 
 	// Get refs from database
-	$result = SQL_QUERY_ESC("SELECT
-	ur.`id`, ur.`refid`, ud.`status`, ud.`last_online`, ud.`mails_confirmed`, ud.`emails_received`
+	$result = SQL_QUERY_ESC('SELECT
+	`ur`.`id`,
+	`ur`.`refid`,
+	`ud`.`status`,
+	`ud`.`last_online`,
+	`ud`.`mails_confirmed`,
+	`ud`.`emails_received`,
+	`ud`.`subid`
 FROM
 	`{?_MYSQL_PREFIX?}_user_refs` AS `ur`
 LEFT JOIN
 	`{?_MYSQL_PREFIX?}_user_points` AS `up`
 ON
-	ur.`refid`=up.`userid` AND
-	(ur.`level`=0 OR ur.`level` IS NULL)
+	`ur`.`refid`=`up`.`userid` AND
+	(`ur`.`level`=0 OR `ur`.`level` IS NULL)
 LEFT JOIN
 	`{?_MYSQL_PREFIX?}_user_data` AS `ud`
 ON
-	ur.`refid`=ud.`userid`
+	`ur`.`refid`=`ud`.`userid`
 WHERE
-	ur.`userid`=%s AND
-	ur.`level`=%s
+	`ur`.`userid`=%s AND
+	`ur`.`level`=%s
 ORDER BY
-	ur.`refid` ASC",
+	`ur`.`refid` ASC',
 		array(
 			bigintval($userid),
 			bigintval($level)
@@ -475,10 +482,10 @@ function getPointsDataArrayFromSubject ($subject) {
 	} // END - if
 
 	// Now checkout the entry in database table
-	$result = SQL_QUERY_ESC("SELECT `id`,`subject`,`column_name`,`locked_mode`,`payment_method`,`notify_recipient` FROM `{?_MYSQL_PREFIX?}_points_data` WHERE `subject`='%s' LIMIT 1",
+	$result = SQL_QUERY_ESC("SELECT `id`, `subject`, `column_name`, `locked_mode`, `payment_method`, `notify_recipient` FROM `{?_MYSQL_PREFIX?}_points_data` WHERE `subject`='%s' LIMIT 1",
 		array($subject), __FUNCTION__, __LINE__);
 
-	// Do we have an entry?
+	// Is there an entry?
 	if (SQL_NUMROWS($result) == 1) {
 		// Then load it
 		$pointsData = SQL_FETCHARRAY($result);
@@ -489,7 +496,7 @@ function getPointsDataArrayFromSubject ($subject) {
 		} // END - foreach
 	} else {
 		// Register this automatically
-		SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_points_data` (`subject`,`column_name`,`locked_mode`,`payment_method`,`notify_recipient`) VALUES ('%s','points','LOCKED','REFERRAL','N')",
+		SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_points_data` (`subject`, `column_name`, `locked_mode`, `payment_method`, `notify_recipient`) VALUES ('%s','points','LOCKED','REFERRAL','N')",
 			array($subject), __FUNCTION__, __LINE__);
 
 		// Re-request it
@@ -512,7 +519,7 @@ function getPointsColumnNameFromSubjectLocked ($subject, $isLocked) {
 	$columnName = $pointsData['column_name'];
 
 	// Are the points locked?
-	if (($isLocked === true) && ($pointsData['locked_mode'] == 'LOCKED')) {
+	if (($isLocked === TRUE) && ($pointsData['locked_mode'] == 'LOCKED')) {
 		// Locked points, so prefix it
 		$columnName = 'locked_' . $pointsData['column_name'];
 	} // END - if
@@ -573,7 +580,7 @@ function loadReferralTable ($userid) {
 	$GLOBALS['referral_result'][$userid] = SQL_QUERY_ESC('SELECT `level` FROM `{?_MYSQL_PREFIX?}_refsystem` WHERE `userid`=%s ORDER BY `level` ASC',
 		array($userid), __FUNCTION__, __LINE__);
 
-	// Do we have entries?
+	// Are there entries?
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',SQL_NUMROWS()=' . SQL_NUMROWS($GLOBALS['referral_result'][$userid]));
 	if (SQL_NUMROWS($GLOBALS['referral_result'][$userid]) > 0) {
 		// Then walk through all levels
@@ -588,7 +595,7 @@ function loadReferralTable ($userid) {
 				$GLOBALS['referral_result_refs'][$userid] = SQL_QUERY_ESC('SELECT `userid` FROM `{?_MYSQL_PREFIX?}_user_data` WHERE `refid`=%s ORDER BY `userid` ASC',
 					array($userid), __FUNCTION__, __LINE__);
 
-				// Do we have entries?
+				// Are there entries?
 				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',level=' . $level . ',SQL_NUMROWS()=' . SQL_NUMROWS($GLOBALS['referral_result_refs'][$userid]));
 				if (SQL_NUMROWS($GLOBALS['referral_result_refs'][$userid]) > 0) {
 					// Then again walk through all
@@ -644,7 +651,7 @@ function addMissingReferralLevels ($userid) {
 					// Also walk through this one
 					foreach ($refArray as $refRefid) {
 						// Calculate new level
-						$newLevel =  $level + $refLevel;
+						$newLevel = $level + $refLevel;
 						//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',level=' . $level . ',refid=' . convertNullToZero($refid) . ',refLevel=' . $refLevel . ',refRefid=' . $refRefid . ',newLevel=' . $newLevel);
 						// Is the refRefid not in?
 						if ((!isset($GLOBALS['referral_refid'][$userid][$newLevel])) || (!in_array($refRefid, $GLOBALS['referral_refid'][$userid][$newLevel]))) {
@@ -660,7 +667,7 @@ function addMissingReferralLevels ($userid) {
 			} // END - foreach
 		} // END - foreach
 	} // END - foreach
-	//die('<pre>'.print_r($GLOBALS['referral_refid'][$userid],true).'</pre>');
+	//die('<pre>'.print_r($GLOBALS['referral_refid'][$userid],TRUE).'</pre>');
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ' - EXIT!');
 }
 
@@ -682,8 +689,8 @@ function flushReferralTableToDatabase ($userid) {
 	} // END - if
 
 	// Prepare SQL
-	$SQL = 'INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`,`level`,`refid`) VALUES ';
-	$executeSql = false;
+	$SQL = 'INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`, `level`, `refid`) VALUES ';
+	$executeSql = FALSE;
 
 	// Now walk through the array, first levels
 	foreach ($GLOBALS['referral_refid'][$userid] as $level => $levelArray) {
@@ -692,20 +699,15 @@ function flushReferralTableToDatabase ($userid) {
 		foreach ($levelArray as $refid) {
 			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',level=' . $level . ',refid=' . $refid);
 			// Query the user_refs table
-			list($count) = SQL_FETCHROW(SQL_QUERY_ESC('SELECT COUNT(`id`) AS `count` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `level`=%s AND `refid`=%s LIMIT 1',
-				array(
-					$userid,
-					$level,
-					$refid
-				), __FUNCTION__, __LINE__));
+			$count = countSumTotalData(bigintval($userid), 'user_refs', 'id', 'userid', TRUE, ' AND `level`=' . bigintval($level) . ' AND `refid`=' . bigintval($refid));
 
-			// Do we have no entry?
+			// Is there no entry?
 			if ($count == 0) {
 				// Then add it to the SQL
 				$SQL .= '(' . $userid . ',' . $level . ',' . $refid . '),';
 
 				// Some has been added, so execute the query
-				$executeSql = true;
+				$executeSql = TRUE;
 			} // END - if
 		} // END - foreach
 	} // END - foreach
@@ -715,7 +717,7 @@ function flushReferralTableToDatabase ($userid) {
 
 	// And run it
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',SQL=' . $SQL);
-	if ($executeSql === true) {
+	if ($executeSql === TRUE) {
 		SQL_QUERY($SQL, __FUNCTION__, __LINE__);
 	} // END - if
 
@@ -723,7 +725,7 @@ function flushReferralTableToDatabase ($userid) {
 }
 
 // Generator (somewhat getter) for points_data, locked_mode
-function generatePointsLockedModeOptions ($lockedMode =  NULL) {
+function generatePointsLockedModeOptions ($lockedMode = NULL) {
 	// Is this cached?
 	if (!isset($GLOBALS[__FUNCTION__][$lockedMode])) {
 		// Generate output and cache it
@@ -746,7 +748,7 @@ function generatePointsLockedModeOptions ($lockedMode =  NULL) {
 }
 
 // Generator (somewhat getter) for points_data, payment_method
-function generatePointsPaymentMethodOptions ($paymentMethod =  NULL) {
+function generatePointsPaymentMethodOptions ($paymentMethod = NULL) {
 	// Is this cached?
 	if (!isset($GLOBALS[__FUNCTION__][$paymentMethod])) {
 		// Generate output and cache it
@@ -769,7 +771,7 @@ function generatePointsPaymentMethodOptions ($paymentMethod =  NULL) {
 }
 
 // Generator (somewhat getter) for points_data, notify_recipient
-function generatePointsNotifyRecipientOptions ($notifyRecipient =  NULL) {
+function generatePointsNotifyRecipientOptions ($notifyRecipient = NULL) {
 	// Is this cached?
 	if (!isset($GLOBALS[__FUNCTION__][$notifyRecipient])) {
 		// Generate output and cache it
@@ -806,5 +808,104 @@ function getReferralId () {
 	return $GLOBALS['__refid'];
 }
 
+// Determines referral id and sets it
+function determineReferralId () {
+	// Is it already detected?
+	if (isReferralIdValid()) {
+		// Do not determine it, just return it
+		return getReferralId();
+	} elseif ((!isHtmlOutputMode()) && (basename($_SERVER['PHP_SELF']) != 'ref.php')) {
+		// Skip this in non-html-mode and outside ref.php
+		return FALSE;
+	}
+
+	// Check if refid is set
+	if (isReferralIdValid()) {
+		// This is fine...
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using refid from GLOBALS (' . getReferralId() . ')');
+	} elseif (isPostRequestElementSet('refid')) {
+		// Get referral id from POST element refid
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using refid from POST data (' . postRequestElement('refid') . ')');
+		setReferralId(secureString(postRequestElement('refid')));
+	} elseif (isGetRequestElementSet('refid')) {
+		// Get referral id from GET parameter refid
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using refid from GET data (' . getRequestElement('refid') . ')');
+		setReferralId(getRequestElement('refid'));
+	} elseif (isGetRequestElementSet('ref')) {
+		// Set refid=ref (the referral link uses such variable)
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using ref from GET data (' . getRequestElement('ref') . ')');
+		setReferralId(getRequestElement('ref'));
+	} elseif ((isGetRequestElementSet('user')) && (basename($_SERVER['PHP_SELF']) == 'click.php')) {
+		// The variable user comes from  click.php
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using user from GET data (' . getRequestElement('user') . ')');
+		setReferralId(bigintval(getRequestElement('user')));
+	} elseif ((isSessionVariableSet('refid')) && (isValidId(getSession('refid')))) {
+		// Set session refid as global
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using refid from SESSION data (' . getSession('refid') . ')');
+		setReferralId(bigintval(getSession('refid')));
+	} elseif ((isExtensionInstalledAndNewer('user', '0.3.4')) && (isRandomReferralIdEnabled())) {
+		// Select a random user which has confirmed enougth mails
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Checking random referral id');
+		setReferralId(determineRandomReferralId());
+	} elseif ((isExtensionInstalledAndNewer('sql_patches', '0.1.2')) && (isValidId(getDefRefid()))) {
+		// Set default refid as refid in URL
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using default refid (' . getDefRefid() . ')');
+		setReferralId(getDefRefid());
+	} else {
+		// No default id when ext-sql_patches is not installed or none set
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using NULL as refid');
+		setReferralId(NULL);
+	}
+
+	// Set cookie when default refid > 0
+	if ((!isSessionVariableSet('refid')) || (!isValidId(getReferralId())) || ((!isValidId(getSession('refid'))) && (isExtensionInstalledAndNewer('sql_patches', '0.1.2')) && (isValidId(getDefRefid())))) {
+		// Default is not found
+		$found = FALSE;
+
+		// Is there nickname or userid set?
+		if ((isExtensionActive('nickname')) && (isNicknameUsed(getReferralId()))) {
+			// Nickname in URL, so load the id
+			$found = fetchUserData(getReferralId(), 'nickname');
+
+			// If we found it, use the userid as referral id
+			if ($found === TRUE) {
+				// Set the userid as 'refid'
+				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using refid from user account by nickname (' . getUserData('userid') . ')');
+				setReferralId(getUserData('userid'));
+			} // END - if
+		} elseif (isValidId(getReferralId())) {
+			// Direct userid entered
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using direct userid (' . getReferralId() . ')');
+			$found = fetchUserData(getReferralId());
+		}
+
+		// Is the record valid?
+		if ((($found === FALSE) || (!isUserDataValid())) && (isExtensionInstalledAndNewer('sql_patches', '0.1.2'))) {
+			// No, then reset referral id
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using default refid (' . getDefRefid() . ')');
+			setReferralId(getDefRefid());
+		} // END - if
+
+		// Set cookie
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Saving refid to session (' . getReferralId() . ') #1');
+		setSession('refid', getReferralId());
+	} elseif ((!isReferralIdValid()) || (!fetchUserData(getReferralId()))) {
+		// Not valid!
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Not valid referral id (' . getReferralId() . '), setting NULL in session');
+		setReferralId(NULL);
+		setSession('refid', NULL);
+	} else {
+		// Set it from GLOBALS array in session
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Saving refid to session (' . getReferralId() . ') #2');
+		setSession('refid', getReferralId());
+	}
+
+	// Run post validation filter chain
+	runFilterChain('post_refid_validation');
+
+	// Return determined refid
+	return getReferralId();
+}
+
 // [EOF]
 ?>