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                                 $result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `level`='%s' AND `refid`=%s LIMIT 1",
 218                                         array(bigintval($userid), $GLOBALS['refback_level'], bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 219
 220                                 // Do we have no entry?
 221                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]},minus={$minus},numRows=".SQL_NUMROWS($result)." - FOUND!<br />");
 222                                 if (SQL_HASZERONUMS($result)) {
 223                                         // Insert this level
 224                                         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - ADD!<br />");
 225                                         SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
 226                                                 array(bigintval($userid), $GLOBALS['refback_level'], bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 227
 228                                         // Move to next referal level and count his counter one up!
 229                                         $GLOBALS['refback_level']++;
 230                                         updateRefbackTable($GLOBALS['refback_refid'][($GLOBALS['refback_level'] - 1)]);
 231                                 } // END - if
 232
 233                                 // Do we have another level here?
 234                                 if ((($GLOBALS['refback_level']-$minus) > 0) && ($old > 0)) {
 235                                         // Restore old one
 236                                         $userid = $old;
 237
 238                                         // Shall we add this as well?
 239                                         $result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `userid`=%s AND `level`='%s' AND `refid`=%s LIMIT 1",
 240                                                 array(bigintval($userid), ($GLOBALS['refback_level']-$minus), bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 241
 242                                         // Do we have no entry?
 243                                         //* 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 />");
 244                                         if (SQL_HASZERONUMS($result)) {
 245                                                 // Insert this level
 246                                                 SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_user_refs` (`userid`,`level`,`refid`) VALUES (%s,%s,%s)",
 247                                                         array(bigintval($userid), ($GLOBALS['refback_level']-$minus), bigintval($GLOBALS['refback_refid'][$GLOBALS['refback_level']])), __FUNCTION__, __LINE__);
 248                                                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level=".($GLOBALS['refback_level']-$minus).",ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - RETURNED!<br />");
 249                                         } // END - if
 250                                 } // END - if
 251                         } // END - if
 252                 } // END - while
 253
 254                 // Free memory
 255                 SQL_FREERESULT($result_refid);
 256         } // END - if
 257
 258         // When he has a referal...
 259         if ((($GLOBALS['refback_refid'][$GLOBALS['refback_level']] == $userid) || ($GLOBALS['refback_refid'][$GLOBALS['refback_level']] == '0')) && (isExtensionInstalledAndNewer('cache', '0.1.2')) && (!isset($GLOBALS['refback_cached']))) {
 260                 // Remove cache here
 261                 //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']]} - CACHE!<br />");
 262                 if ($GLOBALS['cache_instance']->loadCacheFile('refback')) $GLOBALS['cache_instance']->removeCacheFile();
 263                 $GLOBALS['refback_cached'] = 1;
 264         } // END - if
 265
 266         // "Walk" back here
 267         $GLOBALS['refback_level']--;
 268         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']} - LEVEL!<br />");
 269
 270         // Fix empty refid
 271         if (!isset($GLOBALS['refback_refid'][$GLOBALS['refback_level']-1])) $GLOBALS['refback_refid'][$GLOBALS['refback_level']-1] = '0';
 272         //* DEBUG: */ print(__FUNCTION__ . '(<font color="#0000aa">' . __LINE__."</font>):userid={$userid},level={$GLOBALS['refback_level']},ref={$GLOBALS['refback_refid'][$GLOBALS['refback_level']-1]} - BACK!<br />");
 273         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 274 }
 275
 276 // "Getter" for array for user refs in given level
 277 function getArrayFromRefbackUserRefs ($userid, $level) {
 278         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 279         // Default is no refs and no nickname
 280         $add = '';
 281         $refs = array();
 282
 283         // Do we have nickname extension installed?
 284         if (isExtensionActive('nickname')) {
 285                 $add = ", d.nickname";
 286         } // END - if
 287
 288         // Get refs from database
 289         $result = SQL_QUERY_ESC("SELECT
 290         r.id,
 291         r.refid,
 292         r.refback,
 293         r.points,
 294         d.status".$add.",
 295         d.joined,
 296         d.refid AS level_refid
 297 FROM
 298         `{?_MYSQL_PREFIX?}_user_refs` AS r
 299 LEFT JOIN
 300         `{?_MYSQL_PREFIX?}_user_data` AS d
 301 ON
 302         r.refid=d.userid
 303 WHERE
 304         r.userid=%s AND r.level=%s
 305 ORDER BY
 306         r.refid ASC",
 307                 array(bigintval($userid), bigintval($level)), __FUNCTION__, __LINE__);
 308
 309         // Are there some entries?
 310         if (!SQL_HASZERONUMS($result)) {
 311                 // Fetch all entries
 312                 while ($row = SQL_FETCHARRAY($result)) {
 313                         // Add row
 314                         $refs[$row['id']] = $row;
 315                 } // END - while
 316         } // END - if
 317
 318         // Free result
 319         SQL_FREERESULT($result);
 320
 321         // Return result
 322         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 323         return $refs;
 324 }
 325
 326 // "Getter" for refback entry
 327 function getArrayFromUserRefbackData ($id) {
 328         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 329         // Default data is nothing
 330         $data = array();
 331
 332         // Secure id number
 333         $id = bigintval($id);
 334
 335         // Get entry from database
 336         $result = SQL_QUERY_ESC("SELECT `id`, `userid`, `refid`, `refback`, `level`, `points` FROM `{?_MYSQL_PREFIX?}_user_refs` WHERE `id`=%s AND `userid`=%s LIMIT 1",
 337                 array($id, getMemberId()), __FUNCTION__, __LINE__);
 338
 339         // Is there an entry?
 340         if (SQL_NUMROWS($result) == 1) {
 341                 // Fetch data
 342                 $data = SQL_FETCHARRAY($result);
 343         } // END - if
 344
 345         // Free result
 346         SQL_FREERESULT($result);
 347
 348         // Return entry
 349         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 350         return $data;
 351 }
 352
 353 // Update refback percents (but with some sanity-checks!
 354 function updateMemberRefbackPercents ($id, $percents) {
 355         //* DEBUG: */ print("----------------------- <font color=\"#00aa00\">".__FUNCTION__." - ENTRY</font> ------------------------<ul><li>\n");
 356         // Default status is failed
 357         $status['message'] = '{--MEMBER_REFBACK_ERROR_GENERAL--}';
 358
 359         // Do some sanity-checks
 360         if (!isMember()) {
 361                 // No member!
 362                 $status['message'] = '{--MEMBER_REFBACK_ERROR_NO_MEMBER--}';
 363                 return $status;
 364         } elseif (''.$id.'' != ''.($id + 0).'') {
 365                 // No number!
 366                 $status['message'] = '{--MEMBER_REFBACK_ERROR_INVALID_ID_NUMBER--}';
 367                 return $status;
 368         } elseif (($percents < 0) || ($percents > 100)) {
 369                 // Percentage is not valid!
 370                 $status['message'] = '{--MEMBER_REFBACK_ERROR_INVALID_PERCENTAGE--}';
 371                 return $status;
 372         }
 373
 374         // Get ref entry
 375         $dummy = getArrayFromUserRefbackData($id);
 376
 377         // Is this valid?
 378         if (count($dummy) == 0) {
 379                 // id does not belong to user!
 380                 $status['message'] = '{--MEMBER_REFBACK_ERROR_ID_MISMATCH--}';
 381                 return $status;
 382         } // END - if
 383
 384         // Revert german commata
 385         $percents = convertCommaToDot($percents);
 386
 387         // Update entry
 388         SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_user_refs` SET `refback`='%s' WHERE `id`=%s AND `userid`=%s LIMIT 1",
 389                 array($percents, $id, getMemberId()), __FUNCTION__, __LINE__);
 390
 391         // Entry updated?
 392         if (SQL_HASZEROAFFECTED()) {
 393                 // Entry not updated!
 394                 $status['message'] = '{--MEMBER_REFBACK_ERROR_NOT_UPDATED--}';
 395                 return $status;
 396         } // END - if
 397
 398         // Prepare email content
 399         $dummy['percents'] = $percents;
 400
 401         // Load member email template
 402         $mail = loadEmailTemplate('member_refback', $dummy, $dummy['refid']);
 403
 404         // Send email to user
 405         sendEmail($dummy['refid'], '{--MEMBER_REFBACK_SUBJECT--}', $mail);
 406
 407         // Send admin notification
 408         sendAdminNotification('{--ADMIN_REFBACK_SUBJECT--}', 'admin_refback', $dummy, getMemberId());
 409
 410         // All fine!
 411         $status['ok'] = true;
 412
 413         // Return status array
 414         //* DEBUG: */ print("</li></ul>----------------------- <font color=\"#aa0000\">".__FUNCTION__." - EXIT</font> ------------------------<br />");
 415         return $status;
 416 }
 417
 418 // Checks wether refback is enabled
 419 function isRefbackEnabled () {
 420         // Do we have cache?
 421         if (!isset($GLOBALS[__FUNCTION__])) {
 422                 // Determine it
 423                 $GLOBALS[__FUNCTION__] = (getConfig('refback_enabled') == 'Y');
 424         } // END - if
 425
 426         // Return cache
 427         return $GLOBALS[__FUNCTION__];
 428 }
 429
 430 // [EOF]
 431 ?>