inc/libs/refback_functions.php

   1 <?php
   2 /************************************************************************
   3  * Mailer v0.2.1-FINAL                                Start: 09/28/2008 *
   4  * ===================                          Last change: 09/28/2008 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : refback_functions.php                            *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Functions for refback extension                  *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Funktionen fuer Refback-Erweiterung              *
  12  * -------------------------------------------------------------------- *
  13  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * -------------------------------------------------------------------- *
  18  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
  19  * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
  20  * For more information visit: http://www.mxchange.org                  *
  21  *                                                                      *
  22  * This program is free software; you can redistribute it and/or modify *
  23  * it under the terms of the GNU General Public License as published by *
  24  * the Free Software Foundation; either version 2 of the License, or    *
  25  * (at your option) any later version.                                  *
  26  *                                                                      *
  27  * This program is distributed in the hope that it will be useful,      *
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  30  * GNU General Public License for more details.                         *
  31  *                                                                      *
  32  * You should have received a copy of the GNU General Public License    *
  33  * along with this program; if not, write to the Free Software          *
  34  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  35  * MA  02110-1301  USA                                                  *
  36  ************************************************************************/
  37
  38 // Some security stuff...
  39 if (!defined('__SECURITY')) {
  40         die();
  41 }
  42
  43 // Payback refback for refid and reduce it for current user
  44 function addRefbackPoints ($userid, $ref, $points, $ref_points) {
  45         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
  46         // Back ref depths
  47         $GLOBALS['refback_depth'][$userid][$ref] = $GLOBALS['ref_level'];
  48
  49         // Init points
  50         $return = $points;
  51
  52         // Get all ref levels
  53         $result_refs = SQL_QUERY('SELECT `level`, `percents` FROM `{?_MYSQL_PREFIX?}_refdepths` WHERE `level` > 0 ORDER BY `level` ASC',
  54                 __FUNCTION__, __LINE__);
  55
  56         // "Walk" through all level
  57         while ($content = SQL_FETCHARRAY($result_refs)) {
  58                 // Reset ref depths
  59                 // @TODO Try to rewrite the following unset()
  60                 unset($GLOBALS['ref_level']);
  61
  62                 // "Walk" through all refids
  63                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$ref},level={$content['level']},points={$points}<br />");
  64                 foreach (getArrayFromRefbackLevel($userid, $content['level']) as $refid) {
  65                         // Skip level zero or if both are the same
  66                         if ($userid == $refid) continue;
  67
  68                         // Get refback percents
  69                         $percents = getRefbackPercents($userid, $refid);
  70                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$ref},refid={$refid},points={$points},percents={$percents}<br />");
  71
  72                         // Some percents given?
  73                         if ($percents > 0) {
  74                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):points={$points},perc={$content['percents']},percents={$percents},level={$content['level']}<br />");
  75                                 // Calculate points for refback
  76                                 $refback = $points * ($content['percents'] / 100) * ($percents / 100);
  77
  78                                 // Update refback table ('refid' and 'userid' must be exchanged!)
  79                                 SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_user_refs` SET `points`=`points`+%s WHERE `userid`=%s AND `refid`=%s LIMIT 1",
  80                                         array($refback, $refid, $userid), __FUNCTION__, __LINE__);
  81                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):refback={$refback},userid={$userid},refid={$refid} - UPDATE! (".SQL_AFFECTEDROWS().")<br />");
  82
  83                                 // Add points again, but only directly
  84                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):refback={$refback}<br />");
  85                                 addPointsDirectly(sprintf("refback:%s", $refid), $userid, $refback);
  86
  87                                 // Reduce points if refid is found
  88                                 if ($refid == $ref) {
  89                                         // Reduce points here!
  90                                         $return = $points * ($content['percents'] / 100) - $refback;
  91                                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):points={$return} - REDUCED<br />");
  92                                 } // END - if
  93                         } // END - if
  94                 } // END foreach
  95         } // END - while
  96
  97         // Free result
  98         SQL_FREERESULT($result_refs);
  99
 100         // Restore ref depth
 101         $GLOBALS['ref_level'] = $GLOBALS['refback_depth'][$userid][$ref];
 102
 103         // Return them
 104         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 105         return $return;
 106 }
 107
 108 // "Getter" for refback percents
 109 function getRefbackPercents ($userid, $ref) {
 110         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 111         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$ref}<br />");
 112         // Skip identical ids
 113         if ($userid == $ref) return 0;
 114
 115         // Is it cached?
 116         if (!isset($GLOBALS['refback_percents'][$userid][$ref])) {
 117                 // Default is zero
 118                 $GLOBALS['refback_percents'][$userid][$ref] = '0';
 119
 120                 // Get percents from database
 121                 $result = SQL_QUERY_ESC("SELECT `refback` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `refid`=%s LIMIT 1",
 122                         array($ref, $userid), __FUNCTION__, __LINE__);
 123
 124                 // Entry found? (Should be!)
 125                 if (SQL_NUMROWS($result) == 1) {
 126                         // Fetch percents
 127                         list($GLOBALS['refback_percents'][$userid][$ref]) = SQL_FETCHROW($result);
 128                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):percents=".$GLOBALS['refback_percents'][$userid][$ref]."<br />");
 129                 } else {
 130                         // Debug log
 131                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>): NO ENTRY FOUND! :-(<br />");
 132                         logDebugMessage(__FUNCTION__, __LINE__, 'userid=' . $userid . ',ref=' . $ref . ' - No entry found. :-(');
 133                 }
 134
 135                 // Free result
 136                 SQL_FREERESULT($result);
 137         } // END - if
 138
 139         // Return percents
 140         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 141         return $GLOBALS['refback_percents'][$userid][$ref];
 142 }
 143
 144 // "Getter" for userid array which will return only one entry
 145 function getArrayFromRefbackLevel ($refid, $level) {
 146         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 147         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):refid={$refid},level={$level}<br />");
 148         // Init userids
 149         $userIds = array();
 150
 151         // Look for all
 152         $result = SQL_QUERY_ESC("SELECT
 153         `userid`
 154 FROM
 155         `{?_MYSQL_PREFIX?}_user_refs`
 156 WHERE
 157         `refid`=%s AND `level`=%s
 158 ORDER BY
 159         `userid` ASC",
 160                 array($refid, $level), __FUNCTION__, __LINE__);
 161
 162         // Entries found?
 163         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):numRows=".SQL_NUMROWS($result)."<br />");
 164         if (!SQL_HASZERONUMS($result)) {
 165                 // Add all
 166                 while ($content = SQL_FETCHARRAY($result)) {
 167                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):refid={$refid},level={$level},userid={$content['userid']}<br />");
 168                         $userIds[] = $content['userid'];
 169                 } // END - while
 170         } // END - if
 171
 172         // Free result
 173         SQL_FREERESULT($result);
 174
 175         // Return array
 176         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):refid={$refid},count()=".count($userIds)."<br />");
 177         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 178         return $userIds;
 179 }
 180
 181 // Update "refback table"
 182 function updateRefbackTable ($userid) {
 183         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 184         // Make it sure referal level zero (member him-/herself) is at least selected
 185         if (empty($GLOBALS['refback_level'])) $GLOBALS['refback_level'] = 1;
 186         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']}<br />");
 187
 188         // Init refid
 189         $GLOBALS['refback_refid'][$GLOBALS['refback_level']] = '0';
 190         $old = '0'; $minus = '0';
 191
 192         // Check for his referal
 193         $result_refid = SQL_QUERY_ESC("SELECT `userid` FROM `{?_MYSQL_PREFIX?}_user_data` WHERE `refid`=%s ORDER BY `userid` ASC",
 194                 array(bigintval($userid)), __FUNCTION__, __LINE__);
 195
 196         // When no entry was updated then we have to create it here
 197         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):found=".SQL_NUMROWS($result_refid)."<br />");
 198         if (!SQL_HASZERONUMS($result_refid)) {
 199                 // Load all refids
 200                 while (list($GLOBALS['refback_refid'][$GLOBALS['refback_level']]) = SQL_FETCHROW($result_refid)) {
 201                         // Remmber userid
 202                         $GLOBALS['refback_userid'][$GLOBALS['refback_refid'][$GLOBALS['refback_level']]] = $userid;
 203
 204                         // Refid set?
 205                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]}<br />");
 206                         if (($GLOBALS['refback_refid'][$GLOBALS['refback_level']] > 0) && ($GLOBALS['refback_refid'][$GLOBALS['refback_level']] != $userid) && (isset($GLOBALS['refback_refid'][$GLOBALS['refback_level']]))) {
 207                                 // New userid?
 208                                 if ((isset($GLOBALS['refback_refid'][$GLOBALS['refback_level']-1])) && (isset($GLOBALS['refback_userid'][$GLOBALS['refback_refid'][$GLOBALS['refback_level']-1]]))) {
 209                                         // New userid!
 210                                         $old = $userid;
 211                                         $userid = $GLOBALS['refback_userid'][$GLOBALS['refback_refid'][$GLOBALS['refback_level']-1]];
 212                                         $minus = 1;
 213                                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},old={$old},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - NEW UID!<br />");
 214                                 } // END - if
 215
 216                                 // Check existence
 217                                 $result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `level`=%s AND `refid`=%s LIMIT 1",
 218                                         array(
 219                                                 bigintval($userid),
 220                                                 bigintval($GLOBALS['refback_level']),
 221                                                 bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])
 222                                         ), __FUNCTION__, __LINE__);
 223
 224                                 // Do we have no entry?
 225                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]},minus={$minus},numRows=".SQL_NUMROWS($result)." - FOUND!<br />");
 226                                 if (SQL_HASZERONUMS($result)) {
 227                                         // Insert this level
 228                                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - ADD!<br />");
 229                                         SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
 230                                                 array(bigintval($userid), $GLOBALS['refback_level'], bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 231
 232                                         // Move to next referal level and count his counter one up!
 233                                         $GLOBALS['refback_level']++;
 234                                         updateRefbackTable($GLOBALS['refback_refid'][($GLOBALS['refback_level'] - 1)]);
 235                                 } // END - if
 236
 237                                 // Do we have another level here?
 238                                 if ((($GLOBALS['refback_level']-$minus) > 0) && ($old > 0)) {
 239                                         // Restore old one
 240                                         $userid = $old;
 241
 242                                         // Shall we add this as well?
 243                                         $result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `level`=%s AND `refid`=%s LIMIT 1",
 244                                                 array(
 245                                                         bigintval($userid),
 246                                                         (bigintval($GLOBALS['refback_level']) - $minus),
 247                                                         bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])
 248                                                 ), __FUNCTION__, __LINE__);
 249
 250                                         // Do we have no entry?
 251                                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level=".($GLOBALS['refback_level']-$minus).",ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]},numRows=".SQL_NUMROWS($result)." - BACK!<br />");
 252                                         if (SQL_HASZERONUMS($result)) {
 253                                                 // Insert this level
 254                                                 SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
 255                                                         array(bigintval($userid), ($GLOBALS['refback_level']-$minus), bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 256                                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level=".($GLOBALS['refback_level']-$minus).",ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - RETURNED!<br />");
 257                                         } // END - if
 258                                 } // END - if
 259                         } // END - if
 260                 } // END - while
 261
 262                 // Free memory
 263                 SQL_FREERESULT($result_refid);
 264         } // END - if
 265
 266         // When he has a referal...
 267         if ((($GLOBALS['refback_refid'][$GLOBALS['refback_level']] == $userid) || ($GLOBALS['refback_refid'][$GLOBALS['refback_level']] == '0')) && (isExtensionInstalledAndNewer('cache', '0.1.2')) && (!isset($GLOBALS['refback_cached']))) {
 268                 // Remove cache here
 269                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - CACHE!<br />");
 270                 if ($GLOBALS['cache_instance']->loadCacheFile('refback')) $GLOBALS['cache_instance']->removeCacheFile();
 271                 $GLOBALS['refback_cached'] = 1;
 272         } // END - if
 273
 274         // "Walk" back here
 275         $GLOBALS['refback_level']--;
 276         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']} - LEVEL!<br />");
 277
 278         // Fix empty refid
 279         if (!isset($GLOBALS['refback_refid'][$GLOBALS['refback_level']-1])) $GLOBALS['refback_refid'][$GLOBALS['refback_level']-1] = '0';
 280         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']-1]} - BACK!<br />");
 281         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 282 }
 283
 284 // "Getter" for array for user refs in given level
 285 function getArrayFromRefbackUserRefs ($userid, $level) {
 286         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 287         // Default is no refs and no nickname
 288         $refs = array();
 289
 290         // Get refs from database
 291         $result = SQL_QUERY_ESC("SELECT
 292         r.`id`,
 293         r.`refid`,
 294         r.`refback`,
 295         r.`points`,
 296         d.`status`,
 297         d.`joined`,
 298         d.`refid` AS `level_refid`
 299 FROM
 300         `{?_MYSQL_PREFIX?}_user_refs` AS r
 301 LEFT JOIN
 302         `{?_MYSQL_PREFIX?}_user_data` AS d
 303 ON
 304         r.`refid`=d.`userid`
 305 WHERE
 306         r.`userid`=%s AND
 307         r.`level`=%s
 308 ORDER BY
 309         r.`refid` ASC",
 310                 array(bigintval($userid), bigintval($level)), __FUNCTION__, __LINE__);
 311
 312         // Are there some entries?
 313         if (!SQL_HASZERONUMS($result)) {
 314                 // Fetch all entries
 315                 while ($row = SQL_FETCHARRAY($result)) {
 316                         // Add row
 317                         $refs[$row['id']] = $row;
 318                 } // END - while
 319         } // END - if
 320
 321         // Free result
 322         SQL_FREERESULT($result);
 323
 324         // Return result
 325         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 326         return $refs;
 327 }
 328
 329 // "Getter" for refback entry
 330 function getArrayFromUserRefbackData ($id) {
 331         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 332         // Default data is nothing
 333         $data = array();
 334
 335         // Secure id number
 336         $id = bigintval($id);
 337
 338         // Get entry from database
 339         $result = SQL_QUERY_ESC("SELECT `id`, `userid`, `refid`, `refback`, `level`, `points` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `id`=%s AND `userid`=%s LIMIT 1",
 340                 array($id, getMemberId()), __FUNCTION__, __LINE__);
 341
 342         // Is there an entry?
 343         if (SQL_NUMROWS($result) == 1) {
 344                 // Fetch data
 345                 $data = SQL_FETCHARRAY($result);
 346         } // END - if
 347
 348         // Free result
 349         SQL_FREERESULT($result);
 350
 351         // Return entry
 352         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 353         return $data;
 354 }
 355
 356 // Update refback percents (but with some sanity-checks!
 357 function updateMemberRefbackPercents ($id, $percents) {
 358         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 359         // Default status is failed
 360         $status['message'] = '{--MEMBER_REFBACK_ERROR_GENERAL--}';
 361
 362         // Do some sanity-checks
 363         if (!isMember()) {
 364                 // No member!
 365                 $status['message'] = '{--MEMBER_REFBACK_ERROR_NO_MEMBER--}';
 366                 return $status;
 367         } elseif (''.$id.'' != ''.($id + 0).'') {
 368                 // No number!
 369                 $status['message'] = '{--MEMBER_REFBACK_ERROR_INVALID_ID_NUMBER--}';
 370                 return $status;
 371         } elseif (($percents < 0) || ($percents > 100)) {
 372                 // Percentage is not valid!
 373                 $status['message'] = '{--MEMBER_REFBACK_ERROR_INVALID_PERCENTAGE--}';
 374                 return $status;
 375         }
 376
 377         // Get ref entry
 378         $dummy = getArrayFromUserRefbackData($id);
 379
 380         // Is this valid?
 381         if (count($dummy) == 0) {
 382                 // id does not belong to user!
 383                 $status['message'] = '{--MEMBER_REFBACK_ERROR_ID_MISMATCH--}';
 384                 return $status;
 385         } // END - if
 386
 387         // Revert german commata
 388         $percents = convertCommaToDot($percents);
 389
 390         // Update entry
 391         SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_user_refs` SET `refback`='%s' WHERE `id`=%s AND `userid`=%s LIMIT 1",
 392                 array($percents, $id, getMemberId()), __FUNCTION__, __LINE__);
 393
 394         // Entry updated?
 395         if (SQL_HASZEROAFFECTED()) {
 396                 // Entry not updated!
 397                 $status['message'] = '{--MEMBER_REFBACK_ERROR_NOT_UPDATED--}';
 398                 return $status;
 399         } // END - if
 400
 401         // Prepare email content
 402         $dummy['percents'] = $percents;
 403
 404         // Load member email template
 405         $mail = loadEmailTemplate('member_refback', $dummy, $dummy['refid']);
 406
 407         // Send email to user
 408         sendEmail($dummy['refid'], '{--MEMBER_REFBACK_SUBJECT--}', $mail);
 409
 410         // Send admin notification
 411         sendAdminNotification('{--ADMIN_REFBACK_SUBJECT--}', 'admin_refback', $dummy, getMemberId());
 412
 413         // All fine!
 414         $status['ok'] = true;
 415
 416         // Return status array
 417         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 418         return $status;
 419 }
 420
 421 // Checks wether refback is enabled
 422 function isRefbackEnabled () {
 423         // Do we have cache?
 424         if (!isset($GLOBALS[__FUNCTION__])) {
 425                 // Determine it
 426                 $GLOBALS[__FUNCTION__] = (getConfig('refback_enabled') == 'Y');
 427         } // END - if
 428
 429         // Return cache
 430         return $GLOBALS[__FUNCTION__];
 431 }
 432
 433 // [EOF]
 434 ?>