Referal levels for surfbar added (unfinished)
[mailer.git] / inc / extensions.php
1 <?php
2 /************************************************************************
3  * MXChange v0.2.1                                    Start: 03/25/2004 *
4  * ===============                              Last change: 09/29/2004 *
5  *                                                                      *
6  * -------------------------------------------------------------------- *
7  * File              : extensions.php                                   *
8  * -------------------------------------------------------------------- *
9  * Short description : Extension management                             *
10  * -------------------------------------------------------------------- *
11  * Kurzbeschreibung  : Erweiterungen-Management                         *
12  * -------------------------------------------------------------------- *
13  *                                                                      *
14  * -------------------------------------------------------------------- *
15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
16  * For more information visit: http://www.mxchange.org                  *
17  *                                                                      *
18  * This program is free software; you can redistribute it and/or modify *
19  * it under the terms of the GNU General Public License as published by *
20  * the Free Software Foundation; either version 2 of the License, or    *
21  * (at your option) any later version.                                  *
22  *                                                                      *
23  * This program is distributed in the hope that it will be useful,      *
24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
26  * GNU General Public License for more details.                         *
27  *                                                                      *
28  * You should have received a copy of the GNU General Public License    *
29  * along with this program; if not, write to the Free Software          *
30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
31  * MA  02110-1301  USA                                                  *
32  ************************************************************************/
33
34 // Some security stuff...
35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
36 {
37         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
38         require($INC);
39 }
40 //
41 function EXTENSION_REGISTER ($ext_name, $id, $dry_run=false)
42 {
43         global $NOTES, $_CONFIG, $INC_POOL, $cacheInstance;
44         // We want to register an extension and registration status is by default "failed" (= false)
45         $EXT_LOAD_MODE = "register"; $ret = false; $SQLs = array();
46         $INC_POOL = array();
47
48         // This shall never do a non-admin user!
49         if (!IS_ADMIN()) return false;
50
51         // Is this extension already installed?
52         if (EXT_IS_ACTIVE($ext_name)) return false;
53
54         // Generate file name
55         $file = sprintf("%sinc/extensions/ext-%s.php", PATH, $ext_name);
56
57         // Does this extension exists?
58         if (file_exists($file) && is_readable($file))
59         {
60                 // Extension was found so we can load it in registration mode
61                 require($file);
62
63                 // And run possible updates
64                 $EXT_LOAD_MODE = "update"; $EXT_UPDATE_DEPENDS = "";
65                 foreach ($EXT_VER_HISTORY as $EXT_VER)
66                 {
67                         require($file);
68                         if (((GET_EXT_VERSION("sql_patches") != '') && ($_CONFIG['verbose_sql'] == "Y")) || (!EXT_IS_ACTIVE("sql_patches")))
69                         {
70                                 if (!empty($UPDATE_NOTES))
71                                 {
72                                         // Update notes found
73                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br />".$UPDATE_NOTES."<br /><br />\n";
74                                         $UPDATE_NOTES = "";
75                                 }
76                                  elseif (($EXT_VER == "0.0") || ($EXT_VER == "0.0.0"))
77                                 {
78                                         // Initial release
79                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br />".INITIAL_RELEASE."<br /><br />\n";
80                                 }
81                                  else
82                                 {
83                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br /><I>".NO_UPDATE_NOTES."</I><br /><br />\n";
84                                 }
85                         }
86                 }
87
88                 // Does this extension depends on an outstanding update of another update?
89                 if (!empty($EXT_UPDATE_DEPENDS))
90                 {
91                         // Backup SQL commands and clear current
92                         $SQLs2 = $SQLs;  $SQLs = array(); $test = false;
93
94                         // Backup language as well
95                         $LANG_BCK = $EXT_LANG_PREFIX; $EXT_ALWAYS_ACTIVE = "N";
96
97                         // Load required extension also in update mode
98                         $file = sprintf("%sinc/extensions/ext-%s.php", PATH, $EXT_UPDATE_DEPENDS);
99
100                         // Check for required file
101                         if (file_exists($file) && is_readable($file))
102                         {
103                                 // File exists so let's load it
104                                 $VER_BACKUP = $EXT_VERSION;
105                                 require($file);
106                                 $EXT_VERSION = $VER_BACKUP;
107
108                                 // If versions mismatch update extension first
109                                 $ext_ver = GET_EXT_VERSION($EXT_UPDATE_DEPENDS);
110                                 if (empty($ext_ver))
111                                 {
112                                         // Extension not registered so far so first load task's ID...
113                                         $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE task_type='EXTENSION' AND subject LIKE '[%s:]%%' LIMIT 1",
114                                          array($EXT_UPDATE_DEPENDS), __FILE__, __LINE__);
115                                         if (SQL_NUMROWS($result) == 1)
116                                         {
117                                                 // Task found so load task's ID and register extension...
118                                                 list($task) = SQL_FETCHROW($result);
119                                                 SQL_FREERESULT($result);
120                                                 $test = EXTENSION_REGISTER($EXT_UPDATE_DEPENDS, $task, $dry_run);
121                                         }
122                                 }
123                                  elseif ($ext_ver != $EXT_VERSION)
124                                 {
125                                         // Ok, update this extension now
126                                         EXTENSION_UPDATE(basename($file), $EXT_UPDATE_DEPENDS, $ext_ver, $dry_run);
127
128                                         // All okay!
129                                         $test = true;
130                                 }
131                                  else
132                                 {
133                                         // Nothing to register / update before...
134                                         $test = true;
135                                 }
136                         }
137                          else
138                         {
139                                 // Required file for update does not exists!
140                                 $test = true;
141                                 // But this is fine for the first time...
142                         }
143
144                         // Finally restore previous SQLs
145                         $SQLs = $SQLs2; unset($SQLs2);
146                         $EXT_LANG_PREFIX = $LANG_BCK;
147                 }
148                  else
149                 {
150                         // Does not depend on an other extension
151                         $test = true;
152                 }
153
154                 // Switch back to register mode
155                 $EXT_LOAD_MODE = "register";
156
157                 // Does everthing before wents ok?
158                 if ($test) {
159                         // "Dry-run-mode" activated?
160                         if (!$dry_run) {
161                                 // Run all SQLs
162                                 foreach ($SQLs as $sql) {
163                                         // Trim spaces away which we don't need
164                                         $sql = trim($sql);
165
166                                         // Is there still an SQL query?
167                                         if (!empty($sql)) {
168                                                 // Do we have an "ALTER TABLE" command?
169                                                 if (substr(strtolower($sql), 0, 11) == "alter table") {
170                                                         // Analyse the alteration command
171                                                         SQL_ALTER_TABLE($sql, __FILE__, __LINE__);
172                                                 } else {
173                                                         // Run regular SQL command
174                                                         $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
175                                                 }
176                                         } // END - if
177                                 } // END - foreach
178
179                                 // Remove cache file(s) if extension is active
180                                 if ((EXT_IS_ACTIVE("cache")) || (GET_EXT_VERSION("cache") != "")) {
181                                         //* DEBUG: */ echo __LINE__.": DESTROY!<br />\n";
182                                         // Remove cache files
183                                         if ($cacheInstance->cache_file("extensions", true)) $cacheInstance->cache_destroy();
184                                         if ($cacheInstance->cache_file("mod_reg", true))    $cacheInstance->cache_destroy();
185                                         if ($cacheInstance->cache_file("config", true))     $cacheInstance->cache_destroy();
186                                 } // END - if
187
188                                 // Check for added include files
189                                 if (count($INC_POOL > 0)) {
190                                         // Loads every include file
191                                         foreach ($INC_POOL as $inc) {
192                                                 require_once($inc);
193                                         } // END - foreach
194                                 }
195
196                                 // Register extension
197                                 $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_extensions (ext_name, ext_lang_file, ext_active, ext_version) VALUES ('%s', '%s', '%s', '%s')",
198                                  array($ext_name, $EXT_LANG_PREFIX, $EXT_ALWAYS_ACTIVE, $EXT_VERSION), __FILE__, __LINE__);
199
200                                 // Update task management
201                                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_task_system SET status='SOLVED' WHERE id=%d LIMIT 1",
202                                  array(bigintval($id)), __FILE__, __LINE__);
203
204                                 // In normal mode return a true on success
205                                 $ret = true; unset($SQLs);
206                         } else {
207                                 // Rewrite SQL command to keep { and } inside
208                                 foreach ($SQLs as $key => $sql) {
209                                         $sql = str_replace('{', "&#123;", str_replace('}', "&#125;", $sql));
210                                         $SQLs[$key] = $sql;
211                                 } // END - foreach
212
213                                 // In  "dry-run" mode return array with all SQL commands
214                                 $ret = $SQLs;
215
216                                 // Remove all SQL commands
217                                 unset($SQLs);
218                         }
219                 } else {
220                         // No, an error occurs while registering extension :-(
221                         $ret = false;
222                 }
223         } elseif (($id > 0) && (!empty($ext_name))) {
224                 // Remove task from system when id and extension's name is valid
225                 $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_task_system WHERE id=%d AND status='NEW' LIMIT 1",
226                  array(bigintval($id)), __FILE__, __LINE__);
227         }
228
229         // Is this the sql_patches?
230         //* DEBUG: */ echo __LINE__.":{$ext_name}/{$EXT_LOAD_MODE}<br />\n";
231         if (($ext_name == "sql_patches") && (($EXT_LOAD_MODE == "register") || ($EXT_LOAD_MODE == "remove")) && (!$dry_run) && ($test)) {
232                 // Then redirect to logout
233                 //* DEBUG: */ echo __LINE__.": LOAD!<br />\n";
234                 LOAD_URL("modules.php?module=admin&logout=1&".$EXT_LOAD_MODE."=sql_patches");
235         } // END - if
236
237         // Return status code
238         return $ret;
239 }
240 //
241 function EXTENSION_RUN_SQLS($id, $EXT_LOAD_MODE) {
242         global $cacheInstance;
243         $SQLs = array();
244
245         // This shall never do a non-admin user!
246         if (!IS_ADMIN()) return false;
247
248         // Get extension's name
249         $ext_name = GET_EXT_NAME($id);
250         if (empty($ext_name)) return false;
251
252         // Load extension in detected mode
253         $file = sprintf("%sinc/extensions/ext-%s.php", PATH, $ext_name);
254         if (file_exists($file) && is_readable($file)) require($file);
255
256         if ((is_array($SQLs) && (sizeof($SQLs) > 0))) {
257                 // Run SQL commands...
258                 foreach ($SQLs as $sql) {
259                         // Trim spaces away which we don't need
260                         $sql = trim($sql);
261
262                         // Is there still an SQL query?
263                         if (!empty($sql)) {
264                                 // Do we have an "ALTER TABLE" command?
265                                 if (substr(strtolower($sql), 0, 11) == "alter table") {
266                                         // Analyse the alteration command
267                                         SQL_ALTER_TABLE($sql, __FILE__, __LINE__);
268                                 } else {
269                                         // Run regular SQL command
270                                         $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
271                                 }
272                         } // END - if
273                 } // END - foreach
274
275                 // Removal mode?
276                 if ($EXT_LOAD_MODE == "remove") {
277                         // Delete this extension (remember to remove it from your server *before* you click on welcome!
278                         $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_extensions WHERE id=%d LIMIT 1",
279                          array($id), __FILE__, __LINE__);
280                 } // END - if
281
282                 // Remove cache file(s) if extension is active
283                 if ((EXT_IS_ACTIVE("cache")) || (GET_EXT_VERSION("cache") != "")) {
284                         //* DEBUG: */ echo __LINE__.": DESTROY!<br />\n";
285                         // Remove cache files
286                         if ($cacheInstance->cache_file("extensions", true)) $cacheInstance->cache_destroy();
287                         if ($cacheInstance->cache_file("mod_reg", true))    $cacheInstance->cache_destroy();
288                         if ($cacheInstance->cache_file("config", true))     $cacheInstance->cache_destroy();
289                 } // END - if
290
291                 // Is this the sql_patches?
292                 //* DEBUG: */ echo __LINE__.": {$id}/{$ext_name}/{$EXT_LOAD_MODE}<br />\n";
293                 if (($ext_name == "sql_patches") && (($EXT_LOAD_MODE == "register") || ($EXT_LOAD_MODE == "remove"))) {
294                         // Then redirect to logout
295                         //* DEBUG: */ echo __LINE__.": LOAD!<br />\n";
296                         LOAD_URL("modules.php?module=admin&logout=1&".$EXT_LOAD_MODE."=sql_patches");
297                 } // END - if
298         } // END - if
299 }
300 // Check if given extension is active
301 function EXT_IS_ACTIVE ($ext_name, $ignore_admin = false, $ignore_cache = false) {
302         global $cacheArray, $_CONFIG;
303
304         // Extensions are all inactive during installation
305         if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isBooleanConstantAndTrue('mxchange_installing')) || (empty($ext_name))) return false;
306
307         // Extension's file name will also be checked
308         $file = sprintf("%sinc/extensions/ext-%s.php", PATH, $ext_name);
309         if ((!file_exists($file)) && (!is_readable($file))) return false;
310         //* DEBUG: */ echo "*".$ext_name."(".count($cacheArray).")<br />";
311
312         // Failed is the default
313         $ret = false;
314         if ((!empty($cacheArray['extensions']['ext_active'][$ext_name])) && (!$ignore_cache)) {
315                 // Load from cache
316                 //* DEBUG: */ echo "CACHE!<br />\n";
317                 $active = $cacheArray['extensions']['ext_active'][$ext_name];
318
319                 // Count cache hits
320                 if (isset($_CONFIG['cache_hits'])) $_CONFIG['cache_hits']++;
321         } else {
322                 //* DEBUG: */ echo "DB!<br />\n";
323                 // Load from database
324                 $result = SQL_QUERY_ESC("SELECT ext_active FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
325                  array($ext_name), __FILE__, __LINE__);
326                 if (SQL_NUMROWS($result) == 0) {
327                         // Extension was not found!
328                         return false;
329                 }
330                 list($active) = SQL_FETCHROW($result);
331                 SQL_FREERESULT($result);
332
333                 // Write cache array
334                 $cacheArray['extensions']['ext_active'][$ext_name] = $active;
335         }
336
337         // Is this extension activated? (For admins we always have active extensions...)
338         $inc = sprintf("%sinc/extensions/ext-%s.php", PATH, $ext_name);
339         // Shorter way
340         return (
341                 (
342                         ($active == "Y") || (
343                                 (IS_ADMIN()) &&
344                                 (!$ignore_admin) &&
345                                 (!empty($active))
346                         )
347                 ) && (
348                         file_exists($inc)
349                 ) && (
350                         is_readable($inc)
351                 )
352         );
353 }
354 // Get version from extensions
355 function GET_EXT_VERSION ($ext_name) {
356         global $cacheArray, $_CONFIG, $cacheInstance;
357         $ret = false;
358
359         // Extensions are all inactive during installation
360         if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isBooleanConstantAndTrue('mxchange_installing'))) return "";
361
362         // Is the cache written?
363         if (!empty($cacheArray['extensions']['ext_version'][$ext_name])) {
364                 // Load data from cache
365                 $ret = $cacheArray['extensions']['ext_version'][$ext_name];
366
367                 // Count cache hits
368                 if (isset($_CONFIG['cache_hits'])) $_CONFIG['cache_hits']++; else $_CONFIG['cache_hits'] = 1;
369         } elseif (!is_object($cacheInstance)) {
370                 // Load from database
371                 $result = SQL_QUERY_ESC("SELECT ext_version FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
372                  array($ext_name), __FILE__, __LINE__);
373                 list($ret) = SQL_FETCHROW($result);
374                 SQL_FREERESULT($result);
375
376                 // Set cache
377                 $cacheArray['extensions']['ext_version'][$ext_name] = $ret;
378         }
379         return $ret;
380 }
381 //
382 function EXTENSION_UPDATE($file, $ext, $EXT_VER, $dry_run=false)
383 {
384         // This shall never do a non-admin user!
385         global $cacheInstance, $_CONFIG, $NOTES; $SQLs = array();
386         if ((!IS_ADMIN()) || (empty($ext))) return false;
387
388         // Load extension in update mode
389         $EXT_LOAD_MODE = "update"; $EXT_UPDATE_DEPENDS = ""; $NOTES = "";
390         include(PATH."inc/extensions/".$file);
391         if (!empty($EXT_UPDATE_DEPENDS))
392         {
393                 // Update another extension first!
394                 $test = EXTENSION_UPDATE(("ext-".$EXT_UPDATE_DEPENDS.".php"), $EXT_UPDATE_DEPENDS, GET_EXT_VERSION($EXT_UPDATE_DEPENDS), $dry_run);
395         }
396
397         // Check if version is updated
398         if ((($EXT_VERSION != $EXT_VER) || ($dry_run)) && (is_array($EXT_VER_HISTORY)))
399         {
400                 // Search for starting point
401                 $start = array_search($EXT_VER, $EXT_VER_HISTORY);
402                 $NOTES = "";
403
404                 // And load SQL queries in order of version history
405                 for ($idx = ($start + 1); $idx < sizeof($EXT_VER_HISTORY); $idx++)
406                 {
407                         // Remove old SQLs array to prevent possible bugs
408                         if (!$dry_run) { unset($SQLs); $SQLs = array(); }
409
410                         // Set version
411                         $EXT_VER = $EXT_VER_HISTORY[$idx];
412
413                         // Include again...
414                         include(PATH."inc/extensions/".$file);
415
416                         // Add notes
417                         if ($_CONFIG['verbose_sql'] == "Y")
418                         {
419                                 $EXT_VER = $EXT_VER_HISTORY[$idx];
420                                 if (!empty($UPDATE_NOTES))
421                                 {
422                                         // Update notes found
423                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br />".$UPDATE_NOTES."<br /><br />\n";
424                                         $UPDATE_NOTES = "";
425                                 }
426                                  elseif ($EXT_VER == "0.0")
427                                 {
428                                         // Initial release
429                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br />".INITIAL_RELEASE."<br /><br />\n";
430                                 }
431                                  else
432                                 {
433                                         $NOTES .= "<STRONG>v".$EXT_VER.":</STRONG><br /><I>".NO_UPDATE_NOTES."</I><br /><br />\n";
434                                 }
435                         }
436
437                         // Run SQLs
438                         if ((is_array($SQLs)) && (!$dry_run))
439                         {
440                                 // Run SQL commands
441                                 foreach ($SQLs as $sql)
442                                 {
443                                         $sql = trim($sql);
444                                         if (!empty($sql))
445                                         {
446                                                 // Do we have an "ALTER TABLE" command?
447                                                 if (substr(strtolower($sql), 0, 11) == "alter table") {
448                                                         // Analyse the alteration command
449                                                         SQL_ALTER_TABLE($sql, __FILE__, __LINE__);
450                                                 } else {
451                                                         // Run regular SQL command
452                                                         $result = SQL_QUERY($sql, __FILE__, __LINE__, false);
453                                                 }
454                                         }
455                                 }
456                         } elseif (GET_EXT_VERSION("sql_patches") == "") {
457                                 // Remove SQLs if extension is not installed
458                                 $SQLs = array();
459                         }
460                 }
461
462                 if (!$dry_run)
463                 {
464                         // In normal mode insert task and update extension's version...
465                         $ext_subj = "[UPDATE-".$ext."-".$EXT_VERSION.":] ".ADMIN_UPDATE_EXT_SUBJ;
466
467                         // Create task
468                         $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_task_system WHERE subject='%s' LIMIT 1",
469                          array($ext_subj), __FILE__, __LINE__);
470                         if (SQL_NUMROWS($result) == 0)
471                         {
472                                 // Task not created so it's a brand-new extension which we need to register and create a task for!
473                                 $result = SQL_QUERY_ESC("INSERT INTO "._MYSQL_PREFIX."_task_system (assigned_admin, userid, status, task_type, subject, text, task_created) VALUES ('%s', '0', 'NEW', 'EXTENSION_UPDATE', '%s', '%s', UNIX_TIMESTAMP())",
474                                  array(GET_ADMIN_ID(SQL_ESCAPE(get_session('admin_login'))), $ext_subj, addslashes($NOTES)), __FILE__, __LINE__);
475                         }
476
477                         // Free memory
478                         SQL_FREERESULT($result);
479
480                         // Update extension's version
481                         $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_extensions SET ext_version='%s' WHERE ext_name='%s' LIMIT 1",
482                          array($EXT_VERSION, $ext), __FILE__, __LINE__);
483
484                         // Update cache
485                         if (EXT_IS_ACTIVE("cache"))
486                         {
487                                 if ($cacheInstance->cache_file("extensions", true) == true) $cacheInstance->cache_destroy();
488                                 if ($cacheInstance->cache_file("config", true) == true)     $cacheInstance->cache_destroy();
489                                 if ($cacheInstance->cache_file("mod_reg", true) == true)    $cacheInstance->cache_destroy();
490                         }
491
492                         // Remove array
493                         unset($SQLs);
494                 }
495                  else
496                 {
497                         // In "dry-run" mode return array with SQL commands
498                         return $SQLs;
499                 }
500         }
501 }
502 //
503 function EXTENSION_VERBOSE_TABLE($SQLs, $title = ADMIN_SQLS_EXECUTED_ON_REMOVAL, $dashed = "", $switch = false, $WIDTH = "480") {
504         global $_CONFIG;
505
506         $S = false; $SW = 2; $i = 1;
507         $OUT = "";
508         if ((is_array($SQLs)) && (GET_EXT_VERSION("sql_patches")) && ($_CONFIG['verbose_sql'] == "Y")) {
509                 $OUT  = "<DIV align=\"center\">
510 <TABLE border=\"0\" cellspacing=\"0\" cellpadding=\"0\" width=\"".$WIDTH."\" align=\"center\"".$dashed.">
511 <TR>
512   <TD colspan=\"2\" align=\"center\" class=\"admin_title bottom2\" height=\"24\">
513     <STRONG>".$title.":</STRONG>
514   </TD>
515 </TR>\n";
516                 foreach ($SQLs as $idx => $sql) {
517                         $sql = trim($sql);
518                         if (!empty($sql)) {
519                                 $S = true;
520                                 $OUT .= "<TR>
521   <TD class=\"switch_sw".(3 - $SW)." bottom2\" style=\"padding-left: 2px\" width=\"30\">".$i.".</TD>
522   <TD class=\"switch_sw".(3 - $SW)." bottom2\" style=\"padding-left: 5px; padding-right: 5px\">
523     ".$sql."
524   </TD>
525 </TR>\n";
526                                 if ($switch) $SW = 3 - $SW;
527                                 $i++;
528                         }
529                 }
530         }
531
532         if ((!$S) && (GET_EXT_VERSION("sql_patches")) && ($_CONFIG['verbose_sql'] == "Y")) {
533                 // No addional SQL commands to run
534                 $OUT .= "<TR>
535   <TD colspan=\"2\" align=\"center\" class=\"switch_sw2 bottom2\" height=\"24\">
536     <FONT class=\"admin_note\">".ADMIN_NO_ADDIONAL_SQLS."</FONT>
537   </TD>
538 </TR>\n";
539         }
540
541         if (!empty($OUT)) {
542                 // Add missing close-table tag
543                 $OUT .= "</TABLE>
544 </DIV>\n";
545         }
546
547         // Return output
548         return $OUT;
549 }
550 //
551 function GET_EXT_NAME($id)
552 {
553         $ret = "";
554         global $cacheArray, $_CONFIG;
555         if (!empty($cacheArray['extensions']['ext_id'][$id]))
556         {
557                 // Load from cache
558                 $ret = $cacheArray['extensions']['ext_id'][$id];
559
560                 // Count cache hits
561                 $_CONFIG['cache_hits']++;
562         }
563          else
564         {
565                 // Load from database
566                 $result = SQL_QUERY_ESC("SELECT ext_name FROM "._MYSQL_PREFIX."_extensions WHERE id=%d LIMIT 1",
567                  array(bigintval($id)), __FILE__, __LINE__);
568                 list($ret) = SQL_FETCHROW($result);
569                 SQL_FREERESULT($result);
570         }
571         return $ret;
572 }
573 //
574 function GET_EXT_ID($name)
575 {
576         $ret = "0";
577         global $cacheArray, $_CONFIG;
578         if ((isset($cacheArray['extensions']['ext_id'])) && (is_array($cacheArray['extensions']['ext_id'])))
579         {
580                 // Load from cache
581                 $ret = array_search($name, $cacheArray['extensions']['ext_id']);
582
583                 // Count cache hits
584                 $_CONFIG['cache_hits']++;
585         }
586          else
587         {
588                 // Load from database
589                 $result = SQL_QUERY_ESC("SELECT id FROM "._MYSQL_PREFIX."_extensions WHERE ext_name='%s' LIMIT 1",
590                  array($name), __FILE__, __LINE__);
591                 list($ret) = SQL_FETCHROW($result);
592                 SQL_FREERESULT($result);
593         }
594         return $ret;
595 }
596 //
597 ?>