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Langstring.php @ 938

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Revision 938, 25.3 KB (checked in by max-horvath, 7 years ago)

"2006-02-04 Max Horvath <max.horvath@…>

MainUI class now uses Smarty templates to render HTML pages
display of debug messages by using $_REQUESTdebug_request? on any page is now only possible for a super admin
caching class now supports lifetime of a cache and every data type supported by PHP (except the resource-type)
Content class caches available content plugins for 7 days if caching has been enabled -> results in a nice speed-up on every page call because of 17 saved filesystem queries
converted Security class to PHP5 style and it's functions to static functions
fixed broken HTMLeditor support
implemented PEAR::HTML_Safe cache support - if PEAR::HTML_Safe has been installed it strips down all potentially dangerous content within HTML that has been entered using the content plugins Langstring, TrivialLangstring? and HTMLeditor
moved /wifidog/include/HTMLeditor to /wifidog/content/HTMLeditor
fixed thrown exception in path_defines_base.php (sprintf() was used uncorrectly)
template for definition of SYSTEM_PATH has been added to config.php for easier definiton when path detection failes
from now on caching is enabled by default in config.php - it means that WiFiDog caching features will automaticly be used if PEAR::Cache_Lite has been installed"

Property svn:eol-style set to native
Property svn:executable set to *
Property svn:keywords set to Author Date Id Revision

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1	<?php
2
3	/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
4
5	// +-------------------------------------------------------------------+
6	// \| WiFiDog Authentication Server \|
7	// \| ============================= \|
8	// \| \|
9	// \| The WiFiDog Authentication Server is part of the WiFiDog captive \|
10	// \| portal suite. \|
11	// +-------------------------------------------------------------------+
12	// \| PHP version 5 required. \|
13	// +-------------------------------------------------------------------+
14	// \| Homepage: http://www.wifidog.org/ \|
15	// \| Source Forge: http://sourceforge.net/projects/wifidog/ \|
16	// +-------------------------------------------------------------------+
17	// \| This program is free software; you can redistribute it and/or \|
18	// \| modify it under the terms of the GNU General Public License as \|
19	// \| published by the Free Software Foundation; either version 2 of \|
20	// \| the License, or (at your option) any later version. \|
21	// \| \|
22	// \| This program is distributed in the hope that it will be useful, \|
23	// \| but WITHOUT ANY WARRANTY; without even the implied warranty of \|
24	// \| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \|
25	// \| GNU General Public License for more details. \|
26	// \| \|
27	// \| You should have received a copy of the GNU General Public License \|
28	// \| along with this program; if not, contact: \|
29	// \| \|
30	// \| Free Software Foundation Voice: +1-617-542-5942 \|
31	// \| 59 Temple Place - Suite 330 Fax: +1-617-542-2652 \|
32	// \| Boston, MA 02111-1307, USA gnu@gnu.org \|
33	// \| \|
34	// +-------------------------------------------------------------------+
35
36	/**
37	* @package WiFiDogAuthServer
38	* @subpackage ContentClasses
39	* @author Benoit Gregoire <bock@step.polymtl.ca>
40	* @copyright 2004-2006 Benoit Gregoire, Technologies Coeus inc.
41	* @version Subversion $Id$
42	* @link http://www.wifidog.org/
43	*/
44
45	/**
46	* Load required classes
47	*/
48	require_once('classes/Cache.php');
49	require_once('classes/HtmlSafe.php');
50	require_once('classes/LocaleList.php');
51
52
53	/**
54	* Représente un Langstring en particulier, ne créez pas un objet langstrings
55	* si vous n'en avez pas spécifiquement besoin
56	*
57	* @package WiFiDogAuthServer
58	* @subpackage ContentClasses
59	* @author Benoit Gregoire <bock@step.polymtl.ca>
60	* @copyright 2004-2006 Benoit Gregoire, Technologies Coeus inc.
61	*/
62	class Langstring extends Content {
63	/**
64	* HTML allowed to be used
65	*/
66	const ALLOWED_HTML_TAGS = "<a><br><b><h1><h2><h3><h4><i><img><li><ol><p><strong><u><ul><li>";
67
68	/**
69	* Constructor
70	*
71	* @param string $content_id Content id
72	*
73	* @access public
74	*/
75	public function __construct($content_id)
76	{
77	// Define globals
78	global $db;
79
80	parent::__construct($content_id);
81	$this->mBd = &$db;
82	}
83
84	/**
85	* Retourne la première chaîne disponible dans la langue par défaut de
86	* l'usager (si disponible), sinon dans la même langue majeure, sinon
87	* la première chaîne disponible
88	*
89	* @return string Chaîne UTF-8 retournée
90	*
91	* @access public
92	*/
93	public function getString()
94	{
95	// Init values
96	$retval = null;
97	$row = null;
98	$_useCache = false;
99	$_cachedData = null;
100
101	// Create new cache objects
102	$_cacheLanguage = new Cache('langstrings_' . $this->id . '_substring_' . substr(Locale :: getCurrentLocale()->getId(), 0, 2) . '_string', $this->id);
103	$_cache = new Cache('langstrings_' . $this->id . '_substring__string', $this->id);
104
105	// Check if caching has been enabled.
106	if ($_cacheLanguage->isCachingEnabled) {
107	if ($_cachedData = $_cacheLanguage->getCachedData()) {
108	// Return cached data.
109	$_useCache = true;
110	$retval = $_cachedData;
111	} else {
112	// Language specific cached data has not been found.
113	// Try to get language independent cached data.
114	if ($_cachedData = $_cache->getCachedData()) {
115	// Return cached data.
116	$_useCache = true;
117	$retval = $_cachedData;
118	}
119	}
120	}
121
122	if (!$_useCache) {
123	//Get user's prefered language
124	$sql = "SELECT value, locales_id, \n";
125	$sql .= Locale :: getSqlCaseStringSelect(Locale :: getCurrentLocale()->getId());
126	$sql .= " as score FROM langstring_entries WHERE langstring_entries.langstrings_id = '{$this->id}' AND value!='' ORDER BY score LIMIT 1";
127	$this->mBd->execSqlUniqueRes($sql, $row, false);
128
129	if ($row == null) {
130	$retval = "(Langstring vide)";
131	} else {
132	$retval = $row['value'];
133
134	// Check if caching has been enabled.
135	if ($_cache->isCachingEnabled) {
136	// Save data into cache, because it wasn't saved into cache before.
137	$_cache->saveCachedData($retval);
138	}
139	}
140	}
141
142	return $retval;
143	}
144
145	/**
146	* Ajoute une chaîne de caractère au Langstring
147	*
148	* @param string $string La chaîne de caractère à ajouter. Si la chaîne
149	* est vide ('') ou null, la fonction retourne sans
150	* toucher à la base de donnée
151	* @param string $locale La langue régionale de la chaîne ajoutée, exemple:
152	* 'fr_CA', peut être NULL
153	* @param bool $allow_empty_string Allow to store an empty string
154	*
155	* @return bool True si une chaîne a été ajoutée à la base de donnée,
156	* false autrement.
157	*
158	* @access public
159	*/
160	public function addString($string, $locale, $allow_empty_string = false)
161	{
162	// Init values
163	$retval = false;
164	$id = 'NULL';
165	$idSQL = $id;
166
167	if ($locale) {
168	$language = new Locale($locale);
169	$id = $language->GetId();
170	$idSQL = "'".$id."'";
171	}
172
173	if ($allow_empty_string \|\| ($string != null && $string != '')) {
174	$string = $this->mBd->escapeString($string);
175	$this->mBd->execSqlUpdate("INSERT INTO langstring_entries (langstring_entries_id, langstrings_id, locales_id, value) VALUES ('".get_guid()."', '$this->id', $idSQL , '$string')", FALSE);
176
177	// Create new cache object.
178	$_cache = new Cache('langstrings_' . $this->id . '_substring_' . $id . '_string', $this->id);
179
180	// Check if caching has been enabled.
181	if ($_cache->isCachingEnabled) {
182	// Remove old cached data.
183	$_cache->eraseCachedData();
184
185	// Save data into cache.
186	$_cache->saveCachedData($string);
187	}
188
189	$retval = true;
190	}
191
192	return $retval;
193	}
194
195	/**
196	* Updates the string associated with the locale
197	*
198	* @param string $string La chaîne de caractère à ajouter. Si la chaîne
199	* est vide ('') ou null, la fonction retourne
200	* sans toucher à la base de donnée
201	* @param string $locale La langue régionale de la chaîne ajoutée,
202	* exemple: 'fr_CA', peut être NULL
203	*
204	* @return bool True si une chaîne a été ajoutée à la base de donnée, false autrement.
205	*
206	* @access public
207	*/
208	public function UpdateString($string, $locale)
209	{
210	// Init values
211	$retval = false;
212	$id = 'NULL';
213	$row = null;
214
215	if ($locale) {
216	$language = new Locale($locale);
217	$id = $language->GetId();
218	$idSQL = "'" . $id . "'";
219	}
220
221	if ($string != null && $string != '') {
222	$string = $this->mBd->escapeString($string);
223	// If the update returns 0 ( no update ), try inserting the record
224	$this->mBd->execSqlUniqueRes("SELECT * FROM langstring_entries WHERE locales_id = $idSQL AND langstrings_id = '$this->id'", $row, false);
225
226	if ($row != null) {
227	$this->mBd->execSqlUpdate("UPDATE langstring_entries SET value = '$string' WHERE langstrings_id = '$this->id' AND locales_id = $idSQL", false);
228
229	// Create new cache object.
230	$_cache = new Cache('langstrings_' . $this->id . '_substring_' . $id . '_string', $this->id);
231
232	// Check if caching has been enabled.
233	if ($_cache->isCachingEnabled) {
234	// Remove old cached data.
235	$_cache->eraseCachedData();
236
237	// Save data into cache.
238	$_cache->saveCachedData($string);
239	}
240	} else {
241	$this->addString($string, $locale);
242	}
243
244	$retval = true;
245	}
246
247	return $retval;
248	}
249
250	/**
251	* Affiche l'interface d'administration de l'objet
252	*
253	* @param string $type_interface SIMPLE pour éditer un seul champ, COMPLETE
254	* pour voir toutes les chaînes, LARGE pour
255	* avoir un textarea.
256	* @param int $num_nouveau Nombre de champ à afficher pour entrer de
257	* nouvelles chaîne en une seule opération
258	*
259	* @return string HTML code of administration interface
260	*
261	* @access public
262	*/
263	public function getAdminUI($type_interface = "LARGE", $num_nouveau = 1)
264	{
265	// Init values.
266	$html = '';
267	$result = "";
268	//$variantsCounter = 0;
269	//$_hideNewContent = false;
270
271	$html .= "<div class='admin_class'>Langstring (".get_class($this)." instance)</div>\n";
272	$html .= "<div class='admin_section_container'>\n";
273
274	$html .= _("Only these HTML tags are allowed : ").htmlentities(self :: ALLOWED_HTML_TAGS);
275
276	$liste_languages = new LocaleList();
277	$sql = "SELECT * FROM langstring_entries WHERE langstring_entries.langstrings_id = '$this->id' ORDER BY locales_id";
278	$this->mBd->execSql($sql, $result, FALSE); //echo "type_interface: $type_interface\n";
279
280	$html .= "<ul class='admin_section_list'>\n";
281
282	if ($result != null) {
283	while (list ($key, $value) = each($result)) {
284	// The next lines are a preview of a new suggested input mode
285	// ==========================================================
286	//
287	// // Increase variants counter
288	// $variantsCounter++;
289	//
290	// // Hide new content input
291	// $_hideNewContent = true;
292	//
293	// $html .= "<li class='admin_section_list_item'>\n";
294	// $html .= "<div class='admin_section_data'>\n";
295	//
296	// if ($type_interface == 'LARGE') {
297	// $html .= "<textarea name='langstrings_".$this->id."_substring_$value[langstring_entries_id]_string' cols='60' rows='3'>".htmlspecialchars($value['value'], ENT_QUOTES, 'UTF-8')."</textarea>\n";
298	// } else {
299	// $html .= "<input type='text' name='langstrings_".$this->id."_substring_$value[langstring_entries_id]_string' size='44' value='".htmlspecialchars($value['value'], ENT_QUOTES, 'UTF-8')."'>\n";
300	// }
301	//
302	// $html .= "<div class='admin_section_data' id='langstrings_".$this->id."_substring_$value[langstring_entries_id]_language_section' style='display: none;'>\n";
303	// $html .= $liste_languages->GenererFormSelect("$value[locales_id]", "langstrings_".$this->id."_substring_$value[langstring_entries_id]_language", 'Langstring::AfficherInterfaceAdmin', TRUE);
304	// $html .= "</div>\n";
305	//
306	// $html .= "</div>\n";
307	// $html .= "<div class='admin_section_tools'>\n";
308	// $name = "langstrings_".$this->id."_substring_$value[langstring_entries_id]_erase";
309	//
310	// // Choose language button
311	// $html .= "<a href='javascript:showHideView(\"langstrings_".$this->id."_substring_$value[langstring_entries_id]_language_section\", \"langstrings_".$this->id."_substring_$value[langstring_entries_id]_language_section_image\");'><img src='" . BASE_SSL_PATH . "images/icons/language.gif' id='langstrings_".$this->id."_substring_$value[langstring_entries_id]_language_section_image' class='admin_section_button' alt='"._("Choose language")."' title='"._("Choose language")."'></a>";
312	//
313	// // Add string button
314	// if (count($result) == $variantsCounter) {
315	// // This is the last string variant - show "add string" button.
316	// $html .= "<a href='javascript:showHideView(\"langstrings_".$this->id."_add_new_entry_view\", \"langstrings_".$this->id."_add_new_entry_image\");'><img src='" . BASE_SSL_PATH . "images/icons/add.gif' id='langstrings_".$this->id."_add_new_entry_image' class='admin_section_button' alt='"._("Add new string")."' title='"._("Add new string")."'></a>";
317	// } else {
318	// $html .= "<img src='" . BASE_SSL_PATH . "images/icons/add.gif' id='langstrings_".$this->id."_add_new_entry_image' class='admin_section_button_disabled' alt='"._("Add new string")."' title='"._("Add new string")."'>";
319	// }
320	//
321	// // Delete string button
322	// $html .= "<input type='image' name='$name' class='admin_section_button' src='" . BASE_SSL_PATH . "images/icons/delete.gif' alt='"._("Delete string")."' title='"._("Delete string")."'>";
323	//
324	// $html .= "</div>\n";
325	// $html .= "</li>\n";
326
327	$html .= "<li class='admin_section_list_item'>\n";
328	$html .= "<div class='admin_section_data'>\n";
329
330	$html .= $liste_languages->GenererFormSelect("$value[locales_id]", "langstrings_".$this->id."_substring_$value[langstring_entries_id]_language", 'Langstring::AfficherInterfaceAdmin', TRUE);
331
332	if ($type_interface == 'LARGE') {
333	$html .= "<textarea name='langstrings_".$this->id."_substring_$value[langstring_entries_id]_string' cols='60' rows='3'>".htmlspecialchars($value['value'], ENT_QUOTES, 'UTF-8')."</textarea>\n";
334	} else {
335	$html .= "<input type='text' name='langstrings_".$this->id."_substring_$value[langstring_entries_id]_string' size='44' value='".htmlspecialchars($value['value'], ENT_QUOTES, 'UTF-8')."'>\n";
336	}
337
338	$html .= "</div>\n";
339	$html .= "<div class='admin_section_tools'>\n";
340
341	$name = "langstrings_".$this->id."_substring_$value[langstring_entries_id]_erase";
342
343	$html .= "<input type='submit' name='$name' value='"._("Delete string")."'>";
344	$html .= "</div>\n";
345	$html .= "</li>\n";
346	}
347	}
348
349	// The next lines are a preview of a new suggested input mode
350	// ==========================================================
351	//
352	// //Nouvelles chaîne
353	// $locale = LocaleList :: GetDefault();
354	//
355	// $html .= "<li class='admin_section_list_item' id='langstrings_".$this->id."_add_new_entry_view'" . ($_hideNewContent ? " style='display: none;'" : "") . ">\n";
356	// $html .= "<div class='admin_section_data'>\n";
357	//
358	// $new_substring_name = "langstrings_".$this->id."_substring_new_string";
359	//
360	// if ($type_interface == 'LARGE') {
361	// $html .= "<textarea name='$new_substring_name' cols='60' rows='3'></textarea>\n";
362	// } else {
363	// $html .= "<input type='text' name='$new_substring_name' size='44' value=''>\n";
364	// }
365	//
366	// $html .= "<div class='admin_section_data' id='langstrings_".$this->id."_substring_new_language_section'>\n";
367	// $html .= "<img src='" . BASE_SSL_PATH . "images/icons/language.gif' id='langstrings_".$this->id."_substring_new_language_section_image' class='admin_section_button' alt='"._("Choose language")."' title='"._("Choose language")."'>";
368	// $html .= $liste_languages->GenererFormSelect($locale, "langstrings_".$this->id."_substring_new_language", 'Langstring::AfficherInterfaceAdmin', TRUE);
369	// $html .= "</div>\n";
370	//
371	// $html .= "</div>\n";
372	// $html .= "<div class='admin_section_tools'>\n";
373	//
374	// $new_substring_submit_name = "langstrings_".$this->id."_add_new_entry";
375	//
376	// // Add string button
377	// $html .= "<input type='image' name='$new_substring_submit_name' class='admin_section_button' src='" . BASE_SSL_PATH . "images/icons/add.gif' alt='"._("Add new string")."' title='"._("Add new string")."'>";
378	//
379	// $html .= "</div>\n";
380	// $html .= "</li>\n";
381	//
382	// $html .= "</ul>\n";
383	// $html .= "</div>\n";
384
385	//Nouvelles chaîne
386	$locale = LocaleList :: GetDefault();
387	$html .= "<li class='admin_section_list_item'>\n";
388	$html .= "<div class='admin_section_data'>\n";
389
390	$html .= $liste_languages->GenererFormSelect($locale, "langstrings_".$this->id."_substring_new_language", 'Langstring::AfficherInterfaceAdmin', TRUE);
391	$new_substring_name = "langstrings_".$this->id."_substring_new_string";
392
393	if ($type_interface == 'LARGE') {
394	$html .= "<textarea name='$new_substring_name' cols='60' rows='3'></textarea>\n";
395	} else {
396	$html .= "<input type='text' name='$new_substring_name' size='44' value=''>\n";
397	}
398
399	$html .= "</div>\n";
400	$html .= "<div class='admin_section_tools'>\n";
401
402	$new_substring_submit_name = "langstrings_".$this->id."_add_new_entry";
403
404	$html .= "<input type='submit' name='$new_substring_submit_name' value='"._("Add new string")."'>";
405	$html .= "</div>\n";
406	$html .= "</li>\n";
407
408	$html .= "</ul>\n";
409	$html .= "</div>\n";
410
411	return parent :: getAdminUI($html);
412	}
413
414	/**
415	* Processes the input of the administration interface for Langstring
416	*
417	* @return void
418	*
419	* @access public
420	*/
421	public function processAdminUI()
422	{
423	// Init values.
424	$result = null;
425
426	if ($this->isOwner(User :: getCurrentUser()) \|\| User :: getCurrentUser()->isSuperAdmin()) {
427	parent :: processAdminUI();
428	$generateur_form_select = new FormSelectGenerator();
429	$sql = "SELECT * FROM langstring_entries WHERE langstring_entries.langstrings_id = '$this->id'";
430	$this->mBd->execSql($sql, $result, FALSE);
431
432	if ($result != null) {
433	while (list ($key, $value) = each($result)) {
434	$language = $generateur_form_select->getResult("langstrings_".$this->id."_substring_$value[langstring_entries_id]_language", 'Langstring::AfficherInterfaceAdmin');
435
436	if (empty ($language)) {
437	$language = '';
438	$languageSQL = 'NULL';
439	} else {
440	$languageSQL = "'".$language."'";
441	}
442
443	if (!empty ($_REQUEST["langstrings_".$this->id."_substring_$value[langstring_entries_id]_erase"]) && $_REQUEST["langstrings_".$this->id."_substring_$value[langstring_entries_id]_erase"] == true) {
444	$this->mBd->execSqlUpdate("DELETE FROM langstring_entries WHERE langstrings_id = '$this->id' AND langstring_entries_id='$value[langstring_entries_id]'", FALSE);
445
446	// Create new cache object.
447	$_cache = new Cache('langstrings_' . $this->id . '_substring_' . $language . '_string', $this->id);
448
449	// Check if caching has been enabled.
450	if ($_cache->isCachingEnabled) {
451	// Remove old cached data.
452	$_cache->eraseCachedData();
453	}
454	} else {
455	// Strip HTML tags !
456	$string = $_REQUEST["langstrings_".$this->id."_substring_$value[langstring_entries_id]_string"];
457	$string = $this->mBd->escapeString(strip_tags($string, self :: ALLOWED_HTML_TAGS));
458
459	// If PEAR::HTML_Safe is available strips down all potentially dangerous content
460	$_HtmlSafe = new HtmlSafe();
461
462	if ($_HtmlSafe->isHtmlSafeEnabled) {
463	// Add "embed" and "object" to the default set of dangerous tags
464	$_HtmlSafe->setDeleteTags(array("embed", "object"), true);
465
466	// Strip HTML
467	$string = $_HtmlSafe->parseHtml($string);
468	}
469
470	$this->mBd->execSqlUpdate("UPDATE langstring_entries SET locales_id = $languageSQL , value = '$string' WHERE langstrings_id = '$this->id' AND langstring_entries_id='$value[langstring_entries_id]'", FALSE);
471
472	// Create new cache object.
473	$_cache = new Cache('langstrings_' . $this->id . '_substring_' . $language . '_string', $this->id);
474
475	// Check if caching has been enabled.
476	if ($_cache->isCachingEnabled) {
477	// Remove old cached data.
478	$_cache->eraseCachedData();
479
480	// Save data into cache.
481	$_cache->saveCachedData($string);
482	}
483	}
484	}
485	}
486
487	//Ajouter nouvelles chaîne(s) si champ non vide ou si l'usager a appuyé sur le bouton ajouter
488	$new_substring_name = "langstrings_".$this->id."_substring_new_string";
489	$new_substring_submit_name = "langstrings_".$this->id."_add_new_entry";
490
491	if ((isset ($_REQUEST[$new_substring_submit_name]) && $_REQUEST[$new_substring_submit_name] == true) \|\| !empty ($_REQUEST[$new_substring_name])) {
492	$language = $generateur_form_select->getResult("langstrings_".$this->id."_substring_new_language", 'Langstring::AfficherInterfaceAdmin');
493
494	if (empty ($language)) {
495	$language = null;
496	}
497
498	$this->addString($_REQUEST[$new_substring_name], $language, true);
499	}
500	}
501	}
502
503	/**
504	* Retreives the user interface of this object.
505	*
506	* Anything that overrides this method should call the parent method with
507	* it's output at the END of processing.
508	*
509	* @param string $subclass_admin_interface HTML content of the interface
510	* element of a children
511	*
512	* @return string The HTML fragment for this interface
513	*
514	* @access public
515	*/
516	public function getUserUI($subclass_user_interface = null)
517	{
518	// Init values
519	$html = '';
520
521	$html .= "<div class='user_ui_container'>\n";
522	$html .= "<div class='user_ui_object_class'>Langstring (".get_class($this)." instance)</div>\n";
523	$html .= "<div class='langstring'>\n";
524	$html .= $this->getString();
525	$html .= $subclass_user_interface;
526	$html .= "</div>\n";
527	$html .= "</div>\n";
528
529	return parent::getUserUI($html);
530	}
531
532	/**
533	* Reloads the object from the database.
534	*
535	* Should normally be called after a set operation.
536	*
537	* This function is private because calling it from a subclass will call
538	* the constructor from the wrong scope
539	*
540	* @return void
541	*
542	* @access private
543	*/
544	private function refresh()
545	{
546	$this->__construct($this->id);
547	}
548
549	/**
550	* Deletes a Langstring object
551	*
552	* @param string $errmsg Reference to error message
553	*
554	* @return bool True if deletion was successful
555	*
556	* @access public
557	* @internal Persistent content will not be deleted
558	*/
559	public function delete(&$errmsg)
560	{
561	// Init values.
562	$_retval = false;
563
564	if ($this->isPersistent()) {
565	$errmsg = _("Content is persistent (you must make it non persistent before you can delete it)");
566	} else {
567	global $db;
568
569	if ($this->isOwner(User :: getCurrentUser()) \|\| User :: getCurrentUser()->isSuperAdmin()) {
570	$_sql = "DELETE FROM content WHERE content_id='$this->id'";
571	$db->execSqlUpdate($_sql, false);
572	$_retval = true;
573
574	// Create new cache object.
575	$_cache = new Cache('all', $this->id);
576
577	// Check if caching has been enabled.
578	if ($_cache->isCachingEnabled) {
579	// Remove old cached data.
580	$_cache->eraseCachedGroupData();
581	}
582	} else {
583	$errmsg = _("Access denied (not owner of content)");
584	}
585	}
586
587	return $_retval;
588	}
589
590	}
591
592	/*
593	* Local variables:
594	* tab-width: 4
595	* c-basic-offset: 4
596	* c-hanging-comment-ender-p: nil
597	* End:
598	*/
599
600	?>

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