functions.php

   1 <?php
   2 ###############################################################################
   3 # my little forum                                                             #
   4 # Copyright (C) 2005 Alex                                                     #
   5 # http://www.mylittlehomepage.net/                                            #
   6 #                                                                             #
   7 # This program is free software; you can redistribute it and/or               #
   8 # modify it under the terms of the GNU General Public License                 #
   9 # as published by the Free Software Foundation; either version 2              #
  10 # of the License, or (at your option) any later version.                      #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program; if not, write to the Free Software                 #
  19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. #
  20 ###############################################################################
  21
  22 #require_once("function.tab2space.php");
  23 require_once('functions/funcs.db.php');
  24 require_once('functions/funcs.output.php');
  25 require_once('functions/funcs.processing.php');
  26 require_once('data/extern/stringparser_bbcode/src/stringparser_bbcode.class.php');
  27
  28 #
  29 # Entferne bei aktivem magic_quotes_gpc die Slashes in den uebergebenen Werten
  30 # siehe: http://php.net/manual/en/security.magicquotes.disabling.html
  31 #
  32 /**
  33  * disables magic_quotes from given variables of different types
  34  *
  35  * @param variable [$value]
  36  * @return variable [$value]
  37  * @since 1.7.7
  38  * @link http://php.net/manual/en/security.magicquotes.disabling.html
  39  */
  40 function stripslashes_deep($value) {
  41 $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
  42 return $value;
  43 } # Ende: stripslashes_deep
  44
  45
  46
  47 /**
  48  * reads the forum settings from the database
  49  *
  50  */
  51 function get_settings() {
  52 global $lang, $connid, $db_settings;
  53
  54 $r = array();
  55
  56 $result = mysql_query("SELECT name, value FROM ".$db_settings['settings_table'], $connid);
  57 if (!$result) die($lang['db_error']);
  58 while ($line = mysql_fetch_assoc($result))
  59         {
  60         $r[$line['name']] = $line['value'];
  61         }
  62 mysql_free_result($result);
  63
  64 return $r;
  65 } # End: get_settings
  66
  67
  68
  69 /**
  70  * returns the list of own settings for a registred and logged user
  71  *
  72  * @param integer $user_id
  73  * @return array $list
  74  */
  75 function getMyOwnSettings($user_id) {
  76 global $db_settings, $connid;
  77
  78 $list = array();
  79
  80 $result = mysql_query("SELECT name, value FROM ".$db_settings['usersettings_table']." WHERE user_id = ".intval($user_id), $connid);
  81 if (!$result) die($lang['db_error']);
  82 while ($line = mysql_fetch_assoc($result))
  83         {
  84         $list[$line['name']] = $line['value'];
  85         }
  86 return $list;
  87 } # End: getMyOwnSettings
  88
  89
  90
  91 /**
  92  * reads the category names and ids from the database
  93  *
  94  * @return array $categories
  95  * @return bool false
  96  */
  97 function get_categories() {
  98 global $lang, $settings, $connid, $db_settings;
  99
 100 $count_result = mysql_query("SELECT COUNT(*) FROM ".$db_settings['category_table'], $connid);
 101 list($category_count) = mysql_fetch_row($count_result);
 102 mysql_free_result($count_result);
 103
 104 if ($category_count > 0)
 105         {
 106         if (empty($_SESSION[$settings['session_prefix'].'user_id']))
 107                 {
 108                 $categoriesQuery = "SELECT
 109                 id,
 110                 category
 111                 FROM ".$db_settings['category_table']."
 112                 WHERE accession = 0
 113                 ORDER BY category_order ASC";
 114                 }
 115         else if (isset($_SESSION[$settings['session_prefix'].'user_id']) && isset($_SESSION[$settings['session_prefix'].'user_type']) && $_SESSION[$settings['session_prefix'].'user_type'] == "user")
 116                 {
 117                 $categoriesQuery = "SELECT
 118                 id,
 119                 category
 120                 FROM ".$db_settings['category_table']."
 121                 WHERE accession = 0 OR accession = 1
 122                 ORDER BY category_order ASC";
 123                 }
 124         else if (isset($_SESSION[$settings['session_prefix'].'user_id']) && isset($_SESSION[$settings['session_prefix'].'user_type']) && ($_SESSION[$settings['session_prefix'].'user_type'] == "mod" || $_SESSION[$settings['session_prefix'].'user_type'] == "admin"))
 125                 {
 126                 $categoriesQuery = "SELECT
 127                 id,
 128                 category
 129                 FROM ".$db_settings['category_table']."
 130                 WHERE accession = 0 OR accession = 1 OR accession = 2
 131                 ORDER BY category_order ASC";
 132                 }
 133         $result = mysql_query($categoriesQuery, $connid);
 134         if (!$result) die($lang['db_error']);
 135         $categories[0]='';
 136         while ($line = mysql_fetch_assoc($result))
 137                 {
 138                 $categories[$line['id']] = $line['category'];
 139                 }
 140         mysql_free_result($result);
 141         return $categories;
 142         }
 143 else return false;
 144 } # End: get_categories
 145
 146
 147
 148 /**
 149  * reads the categories ids from the categories list
 150  *
 151  * @param array $categories
 152  * @return array $category_ids
 153  * @return bool false
 154  */
 155 function get_category_ids($categories) {
 156 if($categories !== false)
 157         {
 158         while(list($key) = each($categories))
 159                 {
 160                 $category_ids[] = $key;
 161                 }
 162         return $category_ids;
 163         }
 164 else return false;
 165 } # End: get_categories_ids
 166
 167
 168
 169 /**
 170  * lists the access rights to the categories
 171  *
 172  * @return array $category_accession
 173  * @return bool false
 174  */
 175 function category_accession() {
 176 global $settings, $lang, $connid, $db_settings;
 177
 178 $result = mysql_query("SELECT id, accession FROM ".$db_settings['category_table'], $connid);
 179 while ($line = mysql_fetch_assoc($result))
 180         {
 181         $category_accession[$line['id']] = $line['accession'];
 182         }
 183 mysql_free_result($result);
 184 $r = isset($category_accession) ? $category_accession : false;
 185
 186 return $r;
 187 } # End: category_accession
 188
 189
 190
 191 /**
 192  * page navigation for forum.php, board.php and mix.php
 193  *
 194  * @param integer $page
 195  * @param integer $entries_per_page
 196  * @param integer $entry_count
 197  * @param string $order
 198  * @param string $descasc
 199  * @param integer $category
 200  * @param string $action (optional)
 201  * @return string $output
 202  */
 203 function nav($page, $entries_per_page, $entry_count, $order, $descasc, $category, $action="") {
 204 global $lang, $select_submit_button;
 205
 206 $output = "";
 207 if ($entry_count > $entries_per_page)
 208         {
 209         $output .= "&nbsp;";
 210         $new_index_before = $page - 1;
 211         $new_index_after = $page + 1;
 212         $site_count = ceil($entry_count / $entries_per_page);
 213         $ic = '';
 214         $ic .= (isset($category) and $category > 0) ? '&amp;category='.intval($category) : '';
 215         $ic .= (isset($action) && $action!="") ? '&amp;action='.$action : '';
 216         $ic .= (isset($_GET['letter'])) ? '&amp;letter='.urlencode($_GET['letter']) : '';
 217         if ($new_index_before >= 0)
 218                 {
 219                 $output .= '<a href="'.$_SERVER["SCRIPT_NAME"].'?page='.$new_index_before;
 220                 $output .= '&amp;order='.$order.'&amp;descasc='.$descasc.$ic.'">';
 221                 $output .= '<img src="img/prev.png" alt="&laquo;" title="';
 222                 $output .= strip_tags($lang['previous_page_linktitle']).'" width="12" height="9" /></a>&nbsp;';
 223                 }
 224         # if ($new_index_before >= 0 && $new_index_after < $site_count) $output .= " ";
 225         $page_count = ceil($entry_count / $entries_per_page);
 226         $output .= '<form action="'.$_SERVER["SCRIPT_NAME"].'" method="get" title="';
 227         $output .= strip_tags($lang['choose_page_formtitle']).'"><div class="inline-form">'."\n";
 228         $output .= isset($order) ? '<input type="hidden" name="order" value="'.$order.'" />' : '';
 229         $output .= isset($descasc) ? '<input type="hidden" name="descasc" value="'.$descasc.'" />' : '';
 230         $output .= (isset($category) and $category > 0) ? '<input type="hidden" name="category" value="'.$category.'" />' : '';
 231         $output .= (isset($action) && $action!="") ? '<input type="hidden" name="action" value="'.$action.'" />' : '';
 232         $output .= (isset($_GET['letter'])) ? '<input type="hidden" name="letter" value="'.$_GET['letter'].'" />' : '';
 233         $output .= '<select class="kat" size="1" name="page" onchange="this.form.submit();">'."\n";
 234         $output .= '<option value="0"';
 235         $output .= ($page == 0) ? ' selected="selected"' : '';
 236         $output .= '>'.str_replace("[number]", "1", $lang['page_number']).'</option>'."\n";
 237         for($x=$page-9; $x<$page+10; $x++)
 238                 {
 239                 if ($x > 0 && $x < $page_count)
 240                         {
 241                         $output .= '<option value="'.$x.'"';
 242                         $output .= ($page == $x) ? ' selected="selected"' : '';
 243                         $output .= '>'.str_replace("[number]", $x+1, $lang['page_number']).'</option>'."\n";
 244                         }
 245                 }
 246         $output .= '</select>'."\n".'<noscript>&nbsp;<input type="image" name="" value="" src="img/submit.png" alt="&raquo;" /></noscript></div></form>'."\n";
 247         if ($new_index_after < $site_count)
 248                 {
 249                 $output .= '&nbsp;<a href="'.$_SERVER["SCRIPT_NAME"]."?page=".$new_index_after;
 250                 $output .= '&amp;order='.$order.'&amp;descasc='.$descasc.$ic.'">';
 251                 $output .= '<img src="img/next.png" alt="&raquo;" title="';
 252                 $output .= strip_tags($lang['next_page_linktitle']).'" width="12" height="9" /></a>';
 253                 }
 254         }
 255
 256 return $output;
 257 } # End: nav
 258
 259
 260
 261 /**
 262  * amend the protocol to a given link
 263  *
 264  * @param string $link
 265  * @return string $link
 266  */
 267 function amendProtocol($hp) {
 268
 269 if (substr($hp,0,7) != "http://"
 270         && substr($hp,0,8) != "https://"
 271         && substr($hp,0,6) != "ftp://"
 272         && substr($hp,0,9) != "gopher://"
 273         && substr($hp,0,7) != "news://")
 274         {
 275         $hp = "http://".$hp;
 276         }
 277
 278 return $hp;
 279 } # End: amendProtocol
 280
 281
 282
 283 /**
 284  * makes URLs clickable
 285  *
 286  * @param string
 287  * @return string
 288  */
 289 function make_link($string) {
 290 $string = ' '.$string;
 291 $string = preg_replace_callback("#(^|[\n ])([\w]+?://.*?[^ \"\n\r\t<]*)#is", "shorten_link", $string);
 292 $string = preg_replace("#(^|[\n ])((www|ftp)\.[\w\-]+\.[\w\-.\~]+(?:/[^ \"\t\n\r<]*)?)#is", "\\1<a href=\"http://\\2\">\\2</a>", $string);
 293 $string = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $string);
 294 $string = substr($string, 1);
 295
 296 return $string;
 297 } # End: make_link
 298
 299
 300
 301 /**
 302  * function to hide the links from the checkings in posting.php
 303  *
 304  * @param string $string
 305  * @return string $string
 306  */
 307 function text_check_link($string) {
 308 $string = ' '.$string;
 309 $string = preg_replace("#(^|[\n ])([\w]+?://.*?[^ \"\n\r\t<]*)#is", "", $string);
 310 $string = substr($string, 1);
 311
 312 return $string;
 313 } # End: text_check_link
 314
 315
 316
 317 /**
 318  * replaces bb-codes in posting with HTML-source
 319  *
 320  * @param string $string
 321  * @retrun string $string
 322  */
 323 function bbcode($string) {
 324 global $settings;
 325
 326 $bbcode = new StringParser_BBCode ();
 327 $bbcode->addFilter(STRINGPARSER_FILTER_PRE, 'convertLineBreaks');
 328 $bbcode->addParser(array('block','inline','link','listitem'), 'htmlspecialchars');
 329 $bbcode->addParser(array('block','inline','link','listitem'), 'nl2br');
 330 $bbcode->addParser('list', 'bbcodeStripContents');
 331
 332 # codes
 333 $bbcode->addCode('b', 'simple_replace', null, array ('start_tag' => '<strong>', 'end_tag' => '</strong>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 334 $bbcode->addCode('i', 'simple_replace', null, array ('start_tag' => '<em>', 'end_tag' => '</em>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 335 $bbcode->addCode('u', 'simple_replace', null, array ('start_tag' => '<span class="underline">', 'end_tag' => '</span>'), 'inline', array ('listitem', 'block', 'inline'), array ());
 336 $bbcode->addCode('del', 'simple_replace', null, array ('start_tag' => '<del>', 'end_tag' => '</del>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 337 $bbcode->addCode('ins', 'simple_replace', null, array ('start_tag' => '<ins>', 'end_tag' => '</ins>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 338 $bbcode->addCode('sub', 'simple_replace', null, array ('start_tag' => '<sub>', 'end_tag' => '</sub>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 339 $bbcode->addCode('sup', 'simple_replace', null, array ('start_tag' => '<sup>', 'end_tag' => '</sup>'), 'inline', array ('listitem', 'block', 'inline', 'link'), array ());
 340 $bbcode->addCode('code', 'simple_replace', null, array ('start_tag' => '<code>', 'end_tag' => '</code>'), 'inline', array ('listitem', 'block', 'inline'), array ());
 341 $bbcode->addCode('url', 'usecontent?', 'bbcodeDoURL', array ('usecontent_param' => 'default'), 'link', array ('listitem', 'block', 'inline'), array ('link'));
 342 $bbcode->addCode('link', 'usecontent?', 'bbcodeDoURL', array ('usecontent_param' => 'default'), 'link', array ('listitem', 'block', 'inline'), array ('link'));
 343
 344 # code flags
 345 $bbcode->setCodeFlag('b', 'case_sensitive', false);
 346 $bbcode->setCodeFlag('i', 'case_sensitive', false);
 347 $bbcode->setCodeFlag('u', 'case_sensitive', false);
 348
 349 #$bbcode->setCodeFlag('*', 'closetag', BBCODE_CLOSETAG_OPTIONAL);
 350 #$bbcode->setCodeFlag('*', 'closetag.before.newline', BBCODE_NEWLINE_DROP);
 351 #$bbcode->setCodeFlag('list', 'paragraph_type', BBCODE_PARAGRAPH_BLOCK_ELEMENT);
 352 #$bbcode->setCodeFlag('list', 'opentag.before.newline', BBCODE_NEWLINE_DROP);
 353 #$bbcode->setCodeFlag('list', 'closetag.before.newline', BBCODE_NEWLINE_DROP);
 354 $bbcode->setRootParagraphHandling(true);
 355
 356 # do the parsing
 357 $string = $bbcode->parse($string);
 358
 359 #$string = preg_replace("#\[link\]www\.(.+?)\[/link\]#is", "<a href=\"http://www.\\1\">www.\\1</a>", $string);
 360 #$string = preg_replace_callback("#\[link\](.+?)\[/link\]#is", "shorten_link", $string);
 361 #$string = preg_replace("#\[link=(.+?)\](.+?)\[/link\]#is", "<a href=\"\\1\">\\2</a>", $string);
 362 #$string = preg_replace("#\[url\]www\.(.+?)\[/url\]#is", "<a href=\"http://www.\\1\">www.\\1</a>", $string);
 363 #$string = preg_replace_callback("#\[url\](.+?)\[/url\]#is", "shorten_link", $string);
 364 #$string = preg_replace("#\[url=(.+?)\](.+?)\[/url\]#is", "<a href=\"\\1\">\\2</a>", $string);
 365 #$string = preg_replace_callback("#\[code\](.+?)\[/code\]#is", "parse_code", $string);
 366 $string = preg_replace("#\[msg\](.+?)\[/msg\]#is", "<a href=\"".$_SERVER['SCRIPT_NAME']."?id=\\1\">\\1</a>", $string);
 367 $string = preg_replace("#\[msg=(.+?)\](.+?)\[/msg\]#is", "<a href=\"".$_SERVER['SCRIPT_NAME']."?id=\\1\">\\2</a>", $string);
 368 if ($settings['bbcode_img'] == 1)
 369         {
 370         $string = preg_replace("#\[img\](.+?)\[/img\]#is", "<img src=\"\\1\" alt=\"[image]\" style=\"margin: 5px 0px 5px 0px\" />", $string);
 371         $string = preg_replace("#\[img\|left\](.+?)\[/img\]#is", "<img src=\"\\1\" alt=\"[image]\" style=\"float: left; margin: 0px 5px 5px 0px\" />", $string);
 372         $string = preg_replace("#\[img\|right\](.+?)\[/img\]#is", "<img src=\"\\1\" alt=\"[image]\" style=\"float: right; margin: 0px 0px 5px 5px\" />", $string);
 373         }
 374 $string = str_replace('javascript','javascr***',$string);
 375
 376 return $string;
 377 } # End: bbcode
 378
 379
 380
 381 /**
 382  * cuts the URL as link text(!) after $setting['text_word_maxlength']/2
 383  *
 384  * @param string $string
 385  * @return string $string
 386  */
 387 function shorten_link($url) {
 388 global $settings;
 389
 390 $t = $url;
 391 if (strlen($url) > $settings['text_word_maxlength'])
 392 $t = substr($url, 0, ($settings['text_word_maxlength']/2)) . "..." . substr($url, - ($settings['text_word_maxlength']-3-$settings['text_word_maxlength']/2));
 393
 394 return $t;
 395 } # End: shorten_link
 396
 397
 398
 399 /**
 400  * returns the HTML code for the output of posted source code
 401  *
 402  * @param string $string
 403  * @return string $string
 404  */
 405 function parse_code($string) {
 406 global $view;
 407 if (basename($_SERVER['PHP_SELF'])=='board_entry.php' || basename($_SERVER['PHP_SELF'])=='mix_entry.php')
 408         {
 409         $p_class='postingboard';
 410         }
 411 else if (!empty($view) and ($view=='board' or $view=='mix'))
 412         {
 413         $p_class='postingboard';
 414         }
 415 else
 416         {
 417         $p_class='posting';
 418         }
 419 $string = $string[1];
 420 $string = str_replace('<br />','',$string);
 421 $string = '</p>'."\n".'<pre class="'.$p_class.'"><code>'.$string.'</code></pre>'."\n".'<p class="'.$p_class.'">';
 422
 423 return $string;
 424 } # End: parse_code
 425
 426
 427
 428 /**
 429  * strips bb codes for e-mail texts:
 430  *
 431  * @param string $string
 432  * @return string $string
 433  */
 434 function unbbcode($string) {
 435 global $settings;
 436
 437 $string = preg_replace("#\[b\](.+?)\[/b\]#is", "*\\1*", $string);
 438 $string = preg_replace("#\[i\](.+?)\[/i\]#is", "/\\1/", $string);
 439 $string = preg_replace("#\[u\](.+?)\[/u\]#is", "_\\1_", $string);
 440 $string = preg_replace("#\[link\]www\.(.+?)\[/link\]#ise", "'http://www.'.processUrlEncode('\\1', false)", $string);
 441 $string = preg_replace("#\[link\](.+?)\[/link\]#ise", "processUrlEncode('\\1')", $string);
 442 $string = preg_replace("#\[link=(.+?)\](.+?)\[/link\]#ise", "'\\2 --> '.processUrlEncode('\\1')", $string);
 443 $string = preg_replace("#\[url\]www\.(.+?)\[/url\]#ise", "'http://www.'.processUrlEncode('\\1', false)", $string);
 444 $string = preg_replace("#\[url\](.+?)\[/url\]#ise", "processUrlEncode('\\1')", $string);
 445 $string = preg_replace("#\[url=(.+?)\](.+?)\[/url\]#ise", "'\\2 --> '.processUrlEncode('\\1')", $string);
 446 $string = preg_replace("#\[code\](.+?)\[/code\]#is", "\\1", $string);
 447 $string = preg_replace("#\[msg\](.+?)\[/msg\]#is", "\\1", $string);
 448 $string = preg_replace("#\[msg=(.+?)\](.+?)\[/msg\]#is", "\\2 --> \\1", $string);
 449 if (isset($bbcode_img) && $settings['bbcode_img'] == 1)
 450         {
 451         $string = preg_replace("#\[img\](.+?)\[/img\]#is", "\\1", $string);
 452         $string = preg_replace("#\[img\|left\](.+?)\[/img\]#is", "\\1", $string);
 453         $string = preg_replace("#\[img\|right\](.+?)\[/img\]#is", "\\1", $string);
 454         }
 455 return $string;
 456 } # End: unbbcode
 457
 458
 459
 460 /**
 461  * replaces text smilies with smiley images
 462  *
 463  * @param string $string
 464  * @return string $string
 465  */
 466 function smilies($string) {
 467 global $connid, $db_settings;
 468
 469 $result = mysql_query("SELECT file, code_1, code_2, code_3, code_4, code_5, title FROM ".$db_settings['smilies_table'], $connid);
 470 while($data = mysql_fetch_assoc($result))
 471         {
 472         $title = ($data['title']!='') ? ' title="'.htmlspecialchars($data['title']).'"' : '';
 473         $string = ($data['code_1']!='') ? str_replace($data['code_1'], '<img src="img/smilies/'.$data['file'].'" alt="'.$data['code_1'].'"'.$title.' />', $string) : $string;
 474         $string = ($data['code_2']!='') ? str_replace($data['code_2'], '<img src="img/smilies/'.$data['file'].'" alt="'.$data['code_2'].'"'.$title.' />', $string) : $string;
 475         $string = ($data['code_3']!='') ? str_replace($data['code_3'], '<img src="img/smilies/'.$data['file'].'" alt="'.$data['code_3'].'"'.$title.' />', $string) : $string;
 476         $string = ($data['code_4']!='') ? str_replace($data['code_4'], '<img src="img/smilies/'.$data['file'].'" alt="'.$data['code_4'].'"'.$title.' />', $string) : $string;
 477         $string = ($data['code_5']!='') ? str_replace($data['code_5'], '<img src="img/smilies/'.$data['file'].'" alt="'.$data['code_5'].'"'.$title.' />', $string) : $string;
 478         }
 479 mysql_free_result($result);
 480
 481 return $string;
 482 } # End: smilies
 483
 484
 485
 486 /**
 487  * puts the quote symbol to the begin of a line
 488  *
 489  * @param string $string
 490  * @return string $string
 491  */
 492 function zitat($string) {
 493 global $settings;
 494
 495 return str_replace('<p>'.$settings['quote_symbol'].' ', '<p class="citation">'.$settings['quote_symbol'].' ', $string);
 496
 497 } # End: zitat
 498
 499
 500
 501 /**
 502  * make code in blocks to codeblocks
 503  *
 504  * @param string $string
 505  * @return string $string
 506  */
 507 function codeblock($string) {
 508 global $settings;
 509
 510
 511 if (preg_match("#<p><code>(.+?)</code></p>#is", $string))
 512         {
 513         return preg_replace("#<p><code>(.+?)</code></p>#ise", "'<pre><code>'.br2nl('\\1').'</code></pre>'", $string);
 514         }
 515 else
 516         {
 517         return $string;
 518         }
 519
 520 return $string;
 521 } # End: codeblock
 522
 523
 524
 525 /**
 526  *
 527  * @param string
 528  * @return string
 529  */
 530 function br2nl($data) {
 531 return preg_replace( '!<br.*>!iU', "", $data );
 532 }
 533
 534
 535
 536 /**
 537  * puts the quote symbol to the begin of a line for RSS-feeds
 538  *
 539  * @param string $string
 540  * @return string $string
 541  */
 542 function rss_quote($string) {
 543 global $settings;
 544
 545 $string = preg_replace("/^".htmlspecialchars($settings['quote_symbol'])."\\s+(.*)/", "<i>".htmlspecialchars($settings['quote_symbol'])." \\1</i>", $string);
 546 $string = preg_replace("/\\n".htmlspecialchars($settings['quote_symbol'])."\\s+(.*)/", "<i>".htmlspecialchars($settings['quote_symbol'])." \\1</i>", $string);
 547 $string = preg_replace("/\\n ".htmlspecialchars($settings['quote_symbol'])."\\s+(.*)/", "<i>".htmlspecialchars($settings['quote_symbol'])." \\1</i>", $string);
 548
 549 return $string;
 550 } # End: rss_quote
 551
 552
 553
 554 /**
 555  * displays the error messages
 556  *
 557  * @param array $errors
 558  * @return string $messages
 559  */
 560 function errorMessages($error) {
 561 global $lang;
 562
 563 $r  = "<h3>".$lang['error_headline']."</h3>\n";
 564 $r .= "<ul>\n";
 565 foreach ($error as $err)
 566         {
 567         $r .= " <li>".htmlspecialchars($err)."</li>\n";
 568         }
 569 $r .= "</ul>\n";
 570 return $r;
 571 } # End: errorMessages
 572
 573
 574
 575 /**
 576  * replaces the template placeholders with the computed contents
 577  *
 578  */
 579 function parse_template() {
 580 global $settings, $lang, $header, $cssLink, $additionalJS, $footer, $wo, $ao, $topnav, $subnav_1, $subnav_2, $footer_info_dump, $search, $show_postings, $counter;
 581
 582 $template = implode("",file($settings['template']));
 583
 584 if ($settings['home_linkaddress'] != "" && $settings['home_linkname'] != "") $template = preg_replace("#\{IF:HOME-LINK\}(.+?)\{ENDIF:HOME-LINK\}#is", "\\1", $template);
 585 else $template = preg_replace("#\{IF:HOME-LINK\}(.+?)\{ENDIF:HOME-LINK\}#is", "", $template);
 586
 587 $template = str_replace("{LANGUAGE}",strip_tags($lang['language']),$template);
 588 $template = str_replace("{CHARSET}",strip_tags($lang['charset']),$template);
 589 $title = isset($wo) ? $settings['forum_name']." - ".htmlspecialchars($wo) : $settings['forum_name'];
 590 $description = isset($wo) ? $settings['forum_name'].": ".htmlspecialchars($wo) : $settings['forum_name'];
 591 $template = str_replace("{TITLE}",$title,$template);
 592 $template = str_replace("{DESCRIPTION}",$description,$template);
 593 $template = str_replace("{LOAD-CSS}",$cssLink,$template);
 594 $template = str_replace('{ADD-JS}',$additionalJS,$template);
 595 $template = str_replace('{SCRIPT-VERSION-STRING}',$settings['version'],$template);
 596 $template = str_replace("{FORUM-NAME}",$settings['forum_name'],$template);
 597 $template = str_replace('{HOME-ADDRESS}',$settings['home_linkaddress'],$template);
 598 $template = str_replace('{HOME-LINK}',$settings['home_linkname'],$template);
 599 $template = str_replace('{LOAD-TIME}',$lang['forum_load_message'],$template);
 600 $template = str_replace('{FORUM-ADDRESS}',$settings['forum_address'],$template);
 601 $template = str_replace('{CONTACT}',$lang['contact_linkname'],$template);
 602
 603 // User menu:
 604 if (isset($_SESSION[$settings['session_prefix']."user_name"]))
 605         {
 606         if (isset($_SESSION[$settings['session_prefix'].'user_type']) && $_SESSION[$settings['session_prefix'].'user_type']=="admin")
 607                 {
 608                 $user_menu_admin = ' | <a href="admin.php" title="'.strip_tags($lang['admin_area_linktitle']).'">'.$lang['admin_area_linkname'].'</a>';
 609                 }
 610         else
 611                 {
 612                 $user_menu_admin = "";
 613                 }
 614         $user_menu = '<a href="user.php?id='.$_SESSION[$settings['session_prefix'].'user_id'].'" title="'.strip_tags($lang['own_userdata_linktitle']).'"><b>'.htmlspecialchars($_SESSION[$settings['session_prefix'].'user_name']).'</b></a> | <a href="login.php" title="'.strip_tags($lang['logout_linktitle']).'">'.$lang['logout_linkname'].'</a> | <a href="user.php" title="'.strip_tags($lang['user_area_linktitle']).'">'.$lang['user_area_linkname'].'</a>'.$user_menu_admin;
 615         }
 616 else
 617         {
 618         $user_menu = '<a href="login.php" rel="nofollow" title="'.strip_tags($lang['login_linktitle']).'">'.$lang['login_linkname'].'</a> | <a href="register.php" rel="nofollow" title="'.strip_tags($lang['register_linktitle']).'">'.$lang['register_linkname'].'</a>';
 619         }
 620 $user_menu .= ' | <a href="search.php" rel="nofollow" title="'.strip_tags($lang['search_formtitle']).'">'.$lang['search_linkname'].'</a>';
 621 $template = str_replace("{USER-MENU}",$user_menu,$template);
 622
 623 // Search:
 624 $search_dump = "\n".'<form action="search.php" method="get" title="'.strip_tags($lang['search_formtitle']).'"><div class="search">'."\n";
 625 $search_dump .= '<label for="search">'.$lang['search_marking'].'&nbsp;</label>';
 626 # if (isset($search)) $search_match = htmlspecialchars(stripslashes($search)); else $search_match = "";
 627 $search_dump .= '<input class="searchfield" type="text" id="search" name="search" value="" size="20" />&nbsp;<input type="image" name="" src="img/submit.gif" alt="&raquo;" /></div></form>'."\n";
 628 $template = str_replace("{SEARCH}",$search_dump,$template);
 629
 630 // Sub navigation:
 631 $tnd = (isset($topnav)) ? $topnav : "";
 632 $template = str_replace("{LOCATION}",$tnd,$template);
 633
 634 $subnav_1_dump = (isset($subnav_1)) ? $subnav_1 : "&nbsp;";
 635 $template = str_replace("{SUB-NAVIGATION-1}",$subnav_1_dump,$template);
 636
 637 $subnav_2_dump = (isset($subnav_2)) ? $subnav_2 : "&nbsp;";
 638 $template = str_replace("{SUB-NAVIGATION-2}",$subnav_2_dump,$template);
 639
 640 // Footer:
 641 $template = str_replace("{COUNTER}",$counter,$template);
 642 if ($settings['provide_rssfeed'] == 1 && $settings['access_for_users_only'] == 0)
 643         {
 644         $rss_feed_link = '<link rel="alternate" type="application/rss+xml" title="RSS Feed" href="rss.php" />';
 645         $rss_feed_button = '<a href="rss.php"><img src="img/rss.png" width="14" height="14" alt="RSS Feed" /></a><br />';
 646         }
 647 else
 648         {
 649         $rss_feed_link = '';
 650         $rss_feed_button = '';
 651         }
 652 $template = str_replace("{RSS-FEED-LINK}",$rss_feed_link,$template);
 653 $template = str_replace("{RSS-FEED-BUTTON}",$rss_feed_button,$template);
 654
 655 $template_parts = explode("{CONTENT}",$template);
 656 $header = (isset($template_parts[0])) ? $template_parts[0] : "";
 657 $footer = (isset($template_parts[1])) ? $template_parts[1] : "";
 658 } # End: parse_template
 659 ?>