More misc fixes and rewrites (sorry, lame description)
[mailer.git] / inc / libs / refback_functions.php
index 5d04dde4814bacde57e6cc1a47350eb9f6e3d136..1ec422b90733aaf9dfa51f9e8471bdb787d1f729 100644 (file)
  * -------------------------------------------------------------------- *
  * Kurzbeschreibung  : Funktionen fuer Refback-Erweiterung              *
  * -------------------------------------------------------------------- *
- *                                                                      *
+ * $Revision::                                                        $ *
+ * $Date::                                                            $ *
+ * $Tag:: 0.2.1-FINAL                                                 $ *
+ * $Author::                                                          $ *
+ * Needs to be in all Files and every File needs "svn propset           *
+ * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  * For more information visit: http://www.mxchange.org                  *
 
 // Some security stuff...
 if (!defined('__SECURITY')) {
-       $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
+       $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
        require($INC);
 }
 
 // Payback refback for refid and reduce it for current user
 function ADD_REFBACK_POINTS ($uid, $ref, $points, $ref_points) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
-       global $DEPTH, $cacheArray;
-
        // Back ref depths
-       $cacheArray['depth'][$uid][$ref] = $DEPTH; 
+       $GLOBALS['cache_array']['depth'][$uid][$ref] = $GLOBALS['ref_level'];
 
        // Init points
        $return = $points;
 
        // Get all ref levels
-       $result_refs = SQL_QUERY("SELECT level, percents FROM "._MYSQL_PREFIX."_refdepths WHERE level > 0 ORDER BY level ASC", __FILE__, __LINE__);
+       $result_refs = SQL_QUERY("SELECT `level`, `percents` FROM `{!_MYSQL_PREFIX!}_refdepths` WHERE `level` > 0 ORDER BY `level` ASC",
+               __FUNCTION__, __LINE__);
 
        // "Walk" through all level
-       while (list($level, $perc) = SQL_FETCHROW($result_refs)) {
+       while ($content = SQL_FETCHARRAY($result_refs)) {
                // Reset ref depths
-               unset($DEPTH);
+               unset($GLOBALS['ref_level']);
 
                // "Walk" through all refids
-               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$ref},level={$level},points={$points}<br />\n";
-               foreach (GET_REFBACK_USERID_ARRAY($uid, $level) as $refid) {
+               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$ref},level={$content['level']},points={$points}<br />\n";
+               foreach (GET_REFBACK_USERID_ARRAY($uid, $content['level']) as $refid) {
                        // Skip level zero or if both are the same
                        if ($uid == $refid) continue;
 
@@ -68,23 +72,23 @@ function ADD_REFBACK_POINTS ($uid, $ref, $points, $ref_points) {
 
                        // Some percents given?
                        if ($percents > 0) {
-                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):points={$points},perc={$perc},percents={$percents},level={$level}<br />\n";
+                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):points={$points},perc={$content['percents']},percents={$percents},level={$content['level']}<br />\n";
                                // Calculate points for refback
-                               $refback = $points * ($perc / 100) * ($percents / 100);
+                               $refback = $points * ($content['percents'] / 100) * ($percents / 100);
 
                                // Update refback table ("refid" and "uid" must be exchanged!)
-                               $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_user_refs SET points=points+%s WHERE userid=%s AND refid=%s LIMIT 1",
-                                       array($refback, $refid, $uid), __FILE__, __LINE__);
+                               SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_user_refs` SET points=points+%s WHERE `userid`=%s AND refid=%s LIMIT 1",
+                               array($refback, $refid, $uid), __FUNCTION__, __LINE__);
                                //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):refback={$refback},uid={$uid},refid={$refid} - UPDATE! (".SQL_AFFECTEDROWS().")<br />\n";
 
                                // Add points again, but only directly
                                //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):refback={$refback}<br />\n";
-                               ADD_POINTS_REFSYSTEM($uid, $refback, false, "0", false, "direct");
+                               ADD_POINTS_REFSYSTEM_DIRECT(sprintf("refback:%s", $refid), $uid, $refback);
 
                                // Reduce points if refid is found
                                if ($refid == $ref) {
                                        // Reduce points here!
-                                       $return = $points * ($perc / 100) - $refback;
+                                       $return = $points * ($content['percents'] / 100) - $refback;
                                        //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):points={$return} - REDUCED<br />\n";
                                } // END - if
                        } // END - if
@@ -95,12 +99,13 @@ function ADD_REFBACK_POINTS ($uid, $ref, $points, $ref_points) {
        SQL_FREERESULT($result_refs);
 
        // Restore ref depth
-       $DEPTH = $cacheArray['depth'][$uid][$ref];
+       $GLOBALS['ref_level'] = $GLOBALS['cache_array']['depth'][$uid][$ref];
 
        // Return them
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
        return $return;
 }
+
 // "Getter" for refback percents
 function GET_REFBACK_PERCENTS ($uid, $ref) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
@@ -112,8 +117,8 @@ function GET_REFBACK_PERCENTS ($uid, $ref) {
        $percents = 0;
 
        // Get percents from database
-       $result = SQL_QUERY_ESC("SELECT refback FROM "._MYSQL_PREFIX."_user_refs WHERE userid=%s AND refid=%s LIMIT 1",
-               array($ref, $uid), __FILE__, __LINE__);
+       $result = SQL_QUERY_ESC("SELECT refback FROM `{!_MYSQL_PREFIX!}_user_refs` WHERE `userid`=%s AND refid=%s LIMIT 1",
+       array($ref, $uid), __FUNCTION__, __LINE__);
 
        // Entry found? (Should be!)
        if (SQL_NUMROWS($result) == 1) {
@@ -123,7 +128,7 @@ function GET_REFBACK_PERCENTS ($uid, $ref) {
        } else {
                // Debug log
                //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>): NO ENTRY FOUND! :-(<br />\n";
-               DEBUG_LOG(__FUNCTION__, __LINE__, " uid={$uid},ref={$ref} - No entry found! :-(");
+               DEBUG_LOG(__FUNCTION__, __LINE__, "uid={$uid},ref={$ref} - No entry found! :-(");
        }
 
        // Free result
@@ -133,6 +138,7 @@ function GET_REFBACK_PERCENTS ($uid, $ref) {
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
        return $percents;
 }
+
 // "Getter" for userid array which will return only one entry
 function GET_REFBACK_USERID_ARRAY ($rid, $level) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
@@ -141,19 +147,23 @@ function GET_REFBACK_USERID_ARRAY ($rid, $level) {
        $userIds = array();
 
        // Look for all
-       $result = SQL_QUERY_ESC("SELECT userid
-FROM "._MYSQL_PREFIX."_user_refs
-WHERE refid=%s AND level=%s
-ORDER BY userid ASC",
-               array($rid,$level), __FILE__, __LINE__);
+       $result = SQL_QUERY_ESC("SELECT
+       `userid`
+FROM
+       `{!_MYSQL_PREFIX!}_user_refs`
+WHERE
+       `refid=`%s AND `level`=%s
+ORDER BY
+       `userid` ASC",
+               array($rid,$level), __FUNCTION__, __LINE__);
 
        // Entries found?
        //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):numRows=".SQL_NUMROWS($result)."<br />\n";
        if (SQL_NUMROWS($result) > 0) {
                // Add all
-               while (list($userid) = SQL_FETCHROW($result)) {
-                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):rid={$rid},level={$level},userid={$userid}<br />\n";
-                       $userIds[] = $userid;
+               while ($content = SQL_FETCHARRAY($result)) {
+                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):rid={$rid},level={$level},userid={$content['userid']}<br />\n";
+                       $userIds[] = $content['userid'];
                } // END - while
        } // END - if
 
@@ -165,75 +175,74 @@ ORDER BY userid ASC",
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
        return $userIds;
 }
+
 // Update "refback table"
-function UPDATE_REFBACK_TABLE($uid) {
+function updateRefbackTable ($uid) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
-       global $cacheArray, $cacheInstance;
-
        // Make it sure referal level zero (member him-/herself) is at least selected
-       if (empty($cacheArray['back_level'])) $cacheArray['back_level'] = 1;
-       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$cacheArray['back_level']}<br />\n";
+       if (empty($GLOBALS['cache_array']['back_level'])) $GLOBALS['cache_array']['back_level'] = 1;
+       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['back_level']}<br />\n";
 
        // Init refid
-       $cacheArray['up_refid'][$cacheArray['back_level']] = 0;
+       $GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']] = 0;
        $old = 0; $minus = 0;
 
        // Check for his referal
-       $result_refid = SQL_QUERY_ESC("SELECT userid FROM "._MYSQL_PREFIX."_user_data WHERE refid=%s ORDER BY userid ASC",
-               array(bigintval($uid)), __FILE__, __LINE__);
+       $result_refid = SQL_QUERY_ESC("SELECT `userid` FROM `{!_MYSQL_PREFIX!}_user_data` WHERE `refid`=%s ORDER BY `userid` ASC",
+               array(bigintval($uid)), __FUNCTION__, __LINE__);
 
        // When no entry was updated then we have to create it here
        //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):found=".SQL_NUMROWS($result_refid)."<br />\n";
        if (SQL_NUMROWS($result_refid) > 0) {
                // Load all refids
-               while(list($cacheArray['up_refid'][$cacheArray['back_level']]) = SQL_FETCHROW($result_refid)) {
+               while (list($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]) = SQL_FETCHROW($result_refid)) {
                        // Remmber userid
-                       $cacheArray['up_userid'][$cacheArray['up_refid'][$cacheArray['back_level']]] = $uid;
+                       $GLOBALS['cache_array']['up_userid'][$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]] = $uid;
 
-                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$cacheArray['up_refid'][$cacheArray['back_level']]}<br />\n";
+                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]}<br />\n";
                        // Refid set?
-                       if (($cacheArray['up_refid'][$cacheArray['back_level']] > 0) && ($cacheArray['up_refid'][$cacheArray['back_level']] != $uid) && (!empty($cacheArray['up_refid'][$cacheArray['back_level']]))) {
+                       if (($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']] > 0) && ($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']] != $uid) && (isset($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]))) {
                                // New userid?
-                               if ((isset($cacheArray['up_refid'][$cacheArray['back_level']-1])) && (isset($cacheArray['up_userid'][$cacheArray['up_refid'][$cacheArray['back_level']-1]]))) {
+                               if ((isset($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1])) && (isset($GLOBALS['cache_array']['up_userid'][$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1]]))) {
                                        // New userid!
                                        $old = $uid;
-                                       $uid = $cacheArray['up_userid'][$cacheArray['up_refid'][$cacheArray['back_level']-1]];
+                                       $uid = $GLOBALS['cache_array']['up_userid'][$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1]];
                                        $minus = 1;
-                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},old={$old},level={$cacheArray['back_level']},ref={$cacheArray['up_refid'][$cacheArray['back_level']]} - NEW UID!<br />\n";
+                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},old={$old},level={$GLOBALS['cache_array']['back_level']},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]} - NEW UID!<br />\n";
                                } // END - if
 
                                // Check existence
-                               $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_user_refs WHERE userid=%s AND level='%s' AND refid=%s LIMIT 1",
-                                       array(bigintval($uid), $cacheArray['back_level'], bigintval($cacheArray['up_refid'][$cacheArray['back_level']])), __FILE__, __LINE__);
+                               $result = SQL_QUERY_ESC("SELECT `id` FROM `{!_MYSQL_PREFIX!}_user_refs` WHERE `userid`=%s AND `level`='%s' AND `refid`=%s LIMIT 1",
+                                       array(bigintval($uid), $GLOBALS['cache_array']['back_level'], bigintval($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']])), __FUNCTION__, __LINE__);
 
                                // Do we have no entry?
-                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$cacheArray['back_level']},ref={$cacheArray['up_refid'][$cacheArray['back_level']]},minus={$minus},numRows=".SQL_NUMROWS($result)." - FOUND!<br />\n";
+                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['back_level']},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]},minus={$minus},numRows=".SQL_NUMROWS($result)." - FOUND!<br />\n";
                                if (SQL_NUMROWS($result) == 0) {
                                        // Insert this level
-                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$cacheArray['back_level']},ref={$cacheArray['up_refid'][$cacheArray['back_level']]} - ADD!<br />\n";
-                                       $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_user_refs (userid,level,refid) VALUES (%s,%s,%s)",
-                                               array(bigintval($uid), $cacheArray['back_level'], bigintval($cacheArray['up_refid'][$cacheArray['back_level']])), __FILE__, __LINE__);
+                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['back_level']},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]} - ADD!<br />\n";
+                                       SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
+                                               array(bigintval($uid), $GLOBALS['cache_array']['back_level'], bigintval($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']])), __FUNCTION__, __LINE__);
 
                                        // Move to next referal level and count his counter one up!
-                                       $cacheArray['back_level']++; UPDATE_REFBACK_TABLE($cacheArray['up_refid'][($cacheArray['back_level'] - 1)]);
+                                       $GLOBALS['cache_array']['back_level']++; updateRefbackTable($GLOBALS['cache_array']['up_refid'][($GLOBALS['cache_array']['back_level'] - 1)]);
                                } // END - if
 
                                // Do we have another level here?
-                               if ((($cacheArray['back_level']-$minus) > 0) && ($old > 0)) {
+                               if ((($GLOBALS['cache_array']['back_level']-$minus) > 0) && ($old > 0)) {
                                        // Restore old one
                                        $uid = $old;
 
                                        // Shall we add this as well?
-                                       $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_user_refs WHERE userid=%s AND level='%s' AND refid=%s LIMIT 1",
-                                               array(bigintval($uid), ($cacheArray['back_level']-$minus), bigintval($cacheArray['up_refid'][$cacheArray['back_level']])), __FILE__, __LINE__);
+                                       $result = SQL_QUERY_ESC("SELECT `id` FROM `{!_MYSQL_PREFIX!}_user_refs` WHERE `userid`=%s AND `level`='%s' AND `refid`=%s LIMIT 1",
+                                               array(bigintval($uid), ($GLOBALS['cache_array']['back_level']-$minus), bigintval($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']])), __FUNCTION__, __LINE__);
 
                                        // Do we have no entry?
-                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level=".($cacheArray['back_level']-$minus).",ref={$cacheArray['up_refid'][$cacheArray['back_level']]},numRows=".SQL_NUMROWS($result)." - BACK!<br />\n";
+                                       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level=".($GLOBALS['cache_array']['back_level']-$minus).",ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]},numRows=".SQL_NUMROWS($result)." - BACK!<br />\n";
                                        if (SQL_NUMROWS($result) == 0) {
                                                // Insert this level
-                                               $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_user_refs (userid,level,refid) VALUES (%s,%s,%s)",
-                                                       array(bigintval($uid), ($cacheArray['back_level']-$minus), bigintval($cacheArray['up_refid'][$cacheArray['back_level']])), __FILE__, __LINE__);
-                                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level=".($cacheArray['back_level']-$minus).",ref={$cacheArray['up_refid'][$cacheArray['back_level']]} - RETURNED!<br />\n";
+                                               SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
+                                                       array(bigintval($uid), ($GLOBALS['cache_array']['back_level']-$minus), bigintval($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']])), __FUNCTION__, __LINE__);
+                                               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level=".($GLOBALS['cache_array']['back_level']-$minus).",ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]} - RETURNED!<br />\n";
                                        } // END - if
                                } // END - if
                        } // END - if
@@ -244,42 +253,53 @@ function UPDATE_REFBACK_TABLE($uid) {
        } // END - if
 
        // When he has a referal...
-       if ((($cacheArray['up_refid'][$cacheArray['back_level']] == $uid) || ($cacheArray['up_refid'][$cacheArray['back_level']] == 0)) && (GET_EXT_VERSION("cache") >= "0.1.2") && (!isset($cacheArray['back_cached']))) {
+       if ((($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']] == $uid) || ($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']] == 0)) && (GET_EXT_VERSION('cache') >= '0.1.2') && (!isset($GLOBALS['cache_array']['back_cached']))) {
                // Remove cache here
-               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$cacheArray['up_refid'][$cacheArray['back_level']]} - CACHE!<br />\n";
-               if ($cacheInstance->cache_file("refback", true)) $cacheInstance->cache_destroy();
-               $cacheArray['back_cached'] = 1;
+               //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']]} - CACHE!<br />\n";
+               if ($GLOBALS['cache_instance']->loadCacheFile('refback')) $GLOBALS['cache_instance']->destroyCacheFile();
+               $GLOBALS['cache_array']['back_cached'] = 1;
        } // END - if
 
        // "Walk" back here
-       $cacheArray['back_level']--;
-       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$cacheArray['back_level']} - LEVEL!<br />\n";
+       $GLOBALS['cache_array']['back_level']--;
+       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['back_level']} - LEVEL!<br />\n";
 
        // Fix empty refid
-       if (!isset($cacheArray['up_refid'][$cacheArray['back_level']-1])) $cacheArray['up_refid'][$cacheArray['back_level']-1] = 0;
-       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$cacheArray['back_level']},ref={$cacheArray['up_refid'][$cacheArray['back_level']-1]} - BACK!<br />\n";
+       if (!isset($GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1])) $GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1] = 0;
+       //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):uid={$uid},level={$GLOBALS['cache_array']['back_level']},ref={$GLOBALS['cache_array']['up_refid'][$GLOBALS['cache_array']['back_level']-1]} - BACK!<br />\n";
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
 }
+
 // "Getter" for array for user refs in given level
 function GET_USER_REFS ($uid, $level) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
        // Default is no refs and no nickname
-       $ADD = "";
+       $add = '';
        $refs = array();
 
        // Do we have nickname extension installed?
-       if (EXT_IS_ACTIVE("nickname")) {
-               $ADD = ", d.nickname";
+       if (EXT_IS_ACTIVE('nickname')) {
+               $add = ", d.nickname";
        } // END - if
 
        // Get refs from database
-       $result = SQL_QUERY_ESC("SELECT r.id, r.refid, r.refback, r.points, d.status".$ADD."
-FROM "._MYSQL_PREFIX."_user_refs AS r
-LEFT JOIN "._MYSQL_PREFIX."_user_data AS d
-ON r.refid=d.userid
-WHERE r.userid=%s AND r.level=%s
-ORDER BY r.refid ASC",
-               array(bigintval($uid), bigintval($level)), __FILE__, __LINE__);
+       $result = SQL_QUERY_ESC("SELECT
+       r.id,
+       r.refid,
+       r.refback,
+       r.points,
+       d.status".$add."
+FROM
+       `{!_MYSQL_PREFIX!}_user_refs` AS r
+LEFT JOIN
+       `{!_MYSQL_PREFIX!}_user_data` AS d
+ON
+       r.refid=d.userid
+WHERE
+       r.userid=%s AND r.level=%s
+ORDER BY
+       r.refid ASC",
+               array(bigintval($uid), bigintval($level)), __FUNCTION__, __LINE__);
 
        // Are there some entries?
        if (SQL_NUMROWS($result) > 0) {
@@ -297,6 +317,7 @@ ORDER BY r.refid ASC",
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
        return $refs;
 }
+
 // "Getter" for refback entry
 function GET_USER_REF_ENTRY ($id) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
@@ -307,8 +328,8 @@ function GET_USER_REF_ENTRY ($id) {
        $id = bigintval($id);
 
        // Get entry from database
-       $result = SQL_QUERY_ESC("SELECT id, refid, refback, level FROM "._MYSQL_PREFIX."_user_refs WHERE id=%s AND userid=%s LIMIT 1",
-               array($id, $GLOBALS['userid']), __FILE__, __LINE__);
+       $result = SQL_QUERY_ESC("SELECT `id`, `refid`, `refback`, `level` FROM `{!_MYSQL_PREFIX!}_user_refs` WHERE `id`=%s AND `userid`=%s LIMIT 1",
+               array($id, getUserId()), __FUNCTION__, __LINE__);
 
        // Is there an entry?
        if (SQL_NUMROWS($result) == 1) {
@@ -323,24 +344,25 @@ function GET_USER_REF_ENTRY ($id) {
        //* DEBUG: */ print "</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />\n";
        return $data;
 }
+
 // Update refback percents (but with some sanity-checks!
 function REFBACK_CHANGE_MEMBER_PERCENTS ($id, $percents) {
        //* DEBUG: */ print "----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n";
        // Default status is failed
-       $status['message'] = MEMBER_REFBACK_ERROR_GENERAL;
+       $status['message'] = getMessage('MEMBER_REFBACK_ERROR_GENERAL');
 
        // Do some sanity-checks
        if (!IS_MEMBER()) {
                // No member!
-               $status['message'] = MEMBER_REFBACK_ERROR_NO_MEMBER;
+               $status['message'] = getMessage('MEMBER_REFBACK_ERROR_NO_MEMBER');
                return $status;
-       } elseif ("".$id."" != "".($id + 0)."") {
+       } elseif ("".$id."" != ''.($id + 0)."") {
                // No number!
-               $status['message'] = MEMBER_REFBACK_ERROR_INVALID_ID_NUMBER;
+               $status['message'] = getMessage('MEMBER_REFBACK_ERROR_INVALID_ID_NUMBER');
                return $status;
        } elseif (($percents < 0) || ($percents > 100)) {
                // Percentage is not valid!
-               $status['message'] = MEMBER_REFBACK_ERROR_INVALID_PERCENTAGE;
+               $status['message'] = getMessage('MEMBER_REFBACK_ERROR_INVALID_PERCENTAGE');
                return $status;
        }
 
@@ -350,39 +372,39 @@ function REFBACK_CHANGE_MEMBER_PERCENTS ($id, $percents) {
        // Is this valid?
        if (count($dummy) == 0) {
                // ID does not belong to user!
-               $status['message'] = MEMBER_REFBACK_ERROR_ID_MISMATCH;
+               $status['message'] = getMessage('MEMBER_REFBACK_ERROR_ID_MISMATCH');
                return $status;
        } // END - if
 
        // Revert german commata
-       $percents = REVERT_COMMA($percents);
+       $percents = convertCommaToDot($percents);
 
        // Update entry
-       SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_user_refs SET refback='%s' WHERE id=%s AND userid=%s LIMIT 1",
-               array($percents, $id, $GLOBALS['userid']), __FILE__, __LINE__);
+       SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_user_refs` SET refback='%s' WHERE `id`=%s AND `userid`=%s LIMIT 1",
+       array($percents, $id, getUserId()), __FUNCTION__, __LINE__);
 
        // Entry updated?
        if (SQL_AFFECTEDROWS() < 1) {
                // Entry not updated!
-               $status['message'] = MEMBER_REFBACK_ERROR_NOT_UPDATED;;
+               $status['message'] = getMessage('MEMBER_REFBACK_ERROR_NOT_UPDATED');
                return $status;
        } // END - if
 
        // Prepare email content
        $content = array(
-               'percents' => TRANSLATE_COMMA($percents),
+               'percents' => translateComma($percents),
                'refid'    => $dummy['refid'],
                'level'    => $dummy['level']
        );
 
        // Load member email template
-       $mail = LOAD_EMAIL_TEMPLATE("member_refback", $content, $GLOBALS['userid']);
+       $mail = LOAD_EMAIL_TEMPLATE("member_refback", $content, getUserId());
 
        // Send email to user
-       SEND_EMAIL($dummy['refid'], MEMBER_REFBACK_SUBJECT, $mail);
+       sendEmail($dummy['refid'], getMessage('MEMBER_REFBACK_SUBJECT'), $mail);
 
        // Send admin notification
-       SEND_ADMIN_NOTIFICATION(ADMIN_REFBACK_SUBJECT, "admin_refback", $content, $GLOBALS['userid']);
+       sendAdminNotification(getMessage('ADMIN_REFBACK_SUBJECT'), "admin_refback", $content, getUserId());
 
        // All fine!
        $status['ok'] = true;