include/bbcode.php

   1 <?php
   2 require_once("include/oembed.php");
   3 require_once('include/event.php');
   4
   5 function bb_attachment($Text, $plaintext = false, $tryoembed = true) {
   6         $Text = preg_replace_callback("/\[attachment(.*?)\](.*?)\[\/attachment\]/ism",
   7                 function ($match) use ($plaintext){
   8
   9                         $attributes = $match[1];
  10
  11                         $type = "";
  12                         preg_match("/type='(.*?)'/ism", $attributes, $matches);
  13                         if ($matches[1] != "")
  14                                 $type = strtolower($matches[1]);
  15
  16                         preg_match('/type="(.*?)"/ism', $attributes, $matches);
  17                         if ($matches[1] != "")
  18                                 $type = strtolower($matches[1]);
  19
  20                         if ($type == "")
  21                                 return($match[0]);
  22
  23                         if (!in_array($type, array("link", "audio", "video")))
  24                                 return($match[0]);
  25
  26                         $url = "";
  27                         preg_match("/url='(.*?)'/ism", $attributes, $matches);
  28                         if ($matches[1] != "")
  29                                 $url = $matches[1];
  30
  31                         preg_match('/url="(.*?)"/ism', $attributes, $matches);
  32                         if ($matches[1] != "")
  33                                 $url = $matches[1];
  34
  35                         $title = "";
  36                         preg_match("/title='(.*?)'/ism", $attributes, $matches);
  37                         if ($matches[1] != "")
  38                                 $title = $matches[1];
  39
  40                         preg_match('/title="(.*?)"/ism', $attributes, $matches);
  41                         if ($matches[1] != "")
  42                                 $title = $matches[1];
  43
  44                         $image = "";
  45                         if ($type != "video") {
  46                                 preg_match("/image='(.*?)'/ism", $attributes, $matches);
  47                                 if ($matches[1] != "")
  48                                         $image = $matches[1];
  49
  50                                 preg_match('/image="(.*?)"/ism', $attributes, $matches);
  51                                 if ($matches[1] != "")
  52                                         $image = $matches[1];
  53                         }
  54
  55                         $preview = "";
  56                         if ($type != "video") {
  57                                 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
  58                                 if ($matches[1] != "")
  59                                         $preview = $matches[1];
  60
  61                                 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
  62                                 if ($matches[1] != "")
  63                                         $preview = $matches[1];
  64                         }
  65
  66                         if ($plaintext)
  67                                 $text = sprintf('<a href="%s" target="_blank">%s</a>', $url, $title);
  68                         else {
  69                                 $text = sprintf('<span class="type-%s">', $type);
  70
  71                                 $bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $url, $title), $url, $title);
  72                                 if ($tryoembed)
  73                                         $oembed = tryoembed($bookmark);
  74                                 else
  75                                         $oembed = $bookmark[0];
  76
  77                                 if (($image != "") AND !strstr(strtolower($oembed), "<img "))
  78                                         $text .= sprintf('<img src="%s" alt="%s" class="attachment-image" />', $image, $title); // To-Do: Anführungszeichen in "alt"
  79                                 elseif (($preview != "") AND !strstr(strtolower($oembed), "<img "))
  80                                         $text .= sprintf('<img src="%s" alt="%s" class="attachment-preview" />', $preview, $title); // To-Do: Anführungszeichen in "alt"
  81
  82                                 $text .= $oembed;
  83
  84                                 $text .= sprintf('<blockquote>%s</blockquote></span>', trim($match[2]));
  85                         }
  86
  87                         return($text);
  88                 },$Text);
  89
  90         return($Text);
  91 }
  92
  93 function bb_rearrange_link($shared) {
  94         if ($shared[1] != "type-link")
  95                 return($shared[0]);
  96
  97         $newshare = trim($shared[2]);
  98         $newshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $newshare);
  99
 100         if (!strpos($shared[0], "[bookmark"))
 101                 $newshare = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $newshare, 1);
 102
 103         preg_match("/\[img\](.*?)\[\/img\]/ism", $newshare, $matches);
 104
 105         if ($matches) {
 106                 $newshare = str_replace($matches[0], '', $newshare);
 107                 $newshare = "[img]".$matches[1]."[/img]\n".$newshare;
 108         }
 109
 110         $search = array("\n\n", "\n ", " \n");
 111         $replace = array("\n", "\n", "\n");
 112         do {
 113                 $oldtext = $newshare;
 114                 $newshare = str_replace($search, $replace, $newshare);
 115         } while ($oldtext != $newshare);
 116
 117         $newshare = "[class=type-link]".$newshare."[/class]";
 118
 119         return($newshare);
 120 }
 121
 122 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
 123         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism",
 124                 function ($match) use ($plaintext, $nolink){
 125                         return(bb_cleanup_share($match, $plaintext, $nolink));
 126                 },$Text);
 127         return($Text);
 128 }
 129
 130 function bb_cleanup_share($shared, $plaintext, $nolink) {
 131         if (!in_array($shared[2], array("type-link", "type-video")))
 132                 return($shared[0]);
 133
 134         if ($plaintext)
 135                 $shared[3] = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $shared[3]);
 136
 137         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
 138                 return($shared[0]);
 139
 140         if ($nolink)
 141                 return(trim($shared[1]));
 142
 143         $title = "";
 144         $link = "";
 145
 146         if (isset($bookmark[2][0]))
 147                 $title = $bookmark[2][0];
 148
 149         if (isset($bookmark[1][0]))
 150                 $link = $bookmark[1][0];
 151
 152         if (($title != "") AND (strpos($shared[1],$title) !== false))
 153                 $title = "";
 154
 155 //        if (strpos($shared[1],$link) !== false)
 156 //                $link = "";
 157
 158         $text = trim($shared[1]);
 159
 160         if (($text == "") AND ($title != "") AND ($link == ""))
 161                 $text .= "\n\n".trim($title);
 162
 163         // If the link already is included in the post, don't add it again
 164         if (($link != "") AND strpos($text, $link))
 165                 return(trim($text));
 166
 167         if (($link != "") AND ($title != ""))
 168                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
 169         elseif (($link != ""))
 170                 $text .= "\n".trim($link);
 171
 172         return(trim($text));
 173 }
 174
 175
 176 function bb_cleanstyle($st) {
 177   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
 178 }
 179
 180 function bb_cleanclass($st) {
 181   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
 182 }
 183
 184 function cleancss($input) {
 185
 186         $cleaned = "";
 187
 188         $input = strtolower($input);
 189
 190         for ($i = 0; $i < strlen($input); $i++) {
 191                 $char = substr($input, $i, 1);
 192
 193                 if (($char >= "a") and ($char <= "z"))
 194                         $cleaned .= $char;
 195
 196                 if (!(strpos(" #;:0123456789-_", $char) === false))
 197                         $cleaned .= $char;
 198         }
 199
 200         return($cleaned);
 201 }
 202
 203 function stripcode_br_cb($s) {
 204         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
 205 }
 206
 207 function tryoembed($match){
 208         //$url = ((count($match)==2)?$match[1]:$match[2]);
 209         $url = $match[1];
 210
 211         // Always embed the SSL version
 212         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
 213                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
 214
 215         //logger("tryoembed: $url");
 216
 217         $o = oembed_fetch_url($url);
 218
 219         if (isset($match[2]))
 220                 $o->title = $match[2];
 221
 222         //echo "<pre>"; var_dump($match, $url, $o); killme();
 223
 224         if ($o->type=="error") return $match[0];
 225
 226         $html = oembed_format_object($o);
 227         return $html; //oembed_iframe($html,$o->width,$o->height);
 228
 229 }
 230
 231 // [noparse][i]italic[/i][/noparse] turns into
 232 // [noparse][ i ]italic[ /i ][/noparse],
 233 // to hide them from parser.
 234
 235 function bb_spacefy($st) {
 236   $whole_match = $st[0];
 237   $captured = $st[1];
 238   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
 239   $new_str = str_replace($captured, $spacefied, $whole_match);
 240   return $new_str;
 241 }
 242
 243 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
 244 // now turns back and the [noparse] tags are trimed
 245 // returning [i]italic[/i]
 246
 247 function bb_unspacefy_and_trim($st) {
 248   $whole_match = $st[0];
 249   $captured = $st[1];
 250   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
 251   return $unspacefied;
 252 }
 253
 254 function bb_find_open_close($s, $open, $close, $occurance = 1) {
 255
 256         if($occurance < 1)
 257                 $occurance = 1;
 258
 259         $start_pos = -1;
 260         for($i = 1; $i <= $occurance; $i++) {
 261                 if( $start_pos !== false)
 262                         $start_pos = strpos($s, $open, $start_pos + 1);
 263         }
 264
 265         if( $start_pos === false)
 266                 return false;
 267
 268         $end_pos = strpos($s, $close, $start_pos);
 269
 270         if( $end_pos === false)
 271                 return false;
 272
 273         $res = array( 'start' => $start_pos, 'end' => $end_pos );
 274
 275         return $res;
 276 }
 277
 278 function get_bb_tag_pos($s, $name, $occurance = 1) {
 279
 280         if($occurance < 1)
 281                 $occurance = 1;
 282
 283         $start_open = -1;
 284         for($i = 1; $i <= $occurance; $i++) {
 285                 if( $start_open !== false)
 286                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 287         }
 288
 289         if( $start_open === false)
 290                 return false;
 291
 292         $start_equal = strpos($s, '=', $start_open);
 293         $start_close = strpos($s, ']', $start_open);
 294
 295         if( $start_close === false)
 296                 return false;
 297
 298         $start_close++;
 299
 300         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 301
 302         if( $end_open === false)
 303                 return false;
 304
 305         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 306                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 307         if( $start_equal !== false)
 308                 $res['start']['equal'] = $start_equal + 1;
 309
 310         return $res;
 311 }
 312
 313 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 314
 315         $string = $s;
 316
 317         $occurance = 1;
 318         $pos = get_bb_tag_pos($string, $name, $occurance);
 319         while($pos !== false && $occurance < 1000) {
 320
 321                 $start = substr($string, 0, $pos['start']['open']);
 322                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 323                 $end = substr($string, $pos['end']['close']);
 324                 if($end === false)
 325                         $end = '';
 326
 327                 $subject = preg_replace($pattern, $replace, $subject);
 328                 $string = $start . $subject . $end;
 329
 330                 $occurance++;
 331                 $pos = get_bb_tag_pos($string, $name, $occurance);
 332         }
 333
 334         return $string;
 335 }
 336
 337 if(! function_exists('bb_extract_images')) {
 338 function bb_extract_images($body) {
 339
 340         $saved_image = array();
 341         $orig_body = $body;
 342         $new_body = '';
 343
 344         $cnt = 0;
 345         $img_start = strpos($orig_body, '[img');
 346         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 347         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 348         while(($img_st_close !== false) && ($img_end !== false)) {
 349
 350                 $img_st_close++; // make it point to AFTER the closing bracket
 351                 $img_end += $img_start;
 352
 353                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 354                         // This is an embedded image
 355
 356                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 357                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 358
 359                         $cnt++;
 360                 }
 361                 else
 362                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 363
 364                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 365
 366                 if($orig_body === false) // in case the body ends on a closing image tag
 367                         $orig_body = '';
 368
 369                 $img_start = strpos($orig_body, '[img');
 370                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 371                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 372         }
 373
 374         $new_body = $new_body . $orig_body;
 375
 376         return array('body' => $new_body, 'images' => $saved_image);
 377 }}
 378
 379 if(! function_exists('bb_replace_images')) {
 380 function bb_replace_images($body, $images) {
 381
 382         $newbody = $body;
 383
 384         $cnt = 0;
 385         foreach($images as $image) {
 386                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 387                 // it loops over the array starting from the first element and going sequentially
 388                 // to the last element
 389                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 390                 $cnt++;
 391         }
 392
 393         return $newbody;
 394 }}
 395
 396 function bb_ShareAttributes($share, $simplehtml) {
 397         $attributes = $share[2];
 398
 399         $author = "";
 400         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 401         if ($matches[1] != "")
 402                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 403
 404         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 405         if ($matches[1] != "")
 406                 $author = $matches[1];
 407
 408         $profile = "";
 409         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 410         if ($matches[1] != "")
 411                 $profile = $matches[1];
 412
 413         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 414         if ($matches[1] != "")
 415                 $profile = $matches[1];
 416
 417         $avatar = "";
 418         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 419         if ($matches[1] != "")
 420                 $avatar = $matches[1];
 421
 422         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 423         if ($matches[1] != "")
 424                 $avatar = $matches[1];
 425
 426         $link = "";
 427         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 428         if ($matches[1] != "")
 429                 $link = $matches[1];
 430
 431         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 432         if ($matches[1] != "")
 433                 $link = $matches[1];
 434
 435         $posted = "";
 436
 437         $itemcache = get_itemcachepath();
 438
 439         // relative dates only make sense when they aren't cached
 440         if ($itemcache == "") {
 441                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 442                 if ($matches[1] != "")
 443                         $posted = $matches[1];
 444
 445                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 446                 if ($matches[1] != "")
 447                         $posted = $matches[1];
 448
 449                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 450         }
 451
 452         $userid = GetProfileUsername($profile,$author, false);
 453         $userid_compact = GetProfileUsername($profile,$author, true);
 454
 455         $preshare = trim($share[1]);
 456
 457         if ($preshare != "")
 458                 $preshare .= "<br /><br />";
 459
 460         switch ($simplehtml) {
 461                 case 1:
 462                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$share[3]."«";
 463                         break;
 464                 case 2:
 465                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 466                         break;
 467                 case 3: // Diaspora
 468                         $headline = '<div class="shared_header">';
 469                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b></span>';
 470                         $headline .= "</div>";
 471
 472                         $text = trim($share[1]);
 473
 474                         if ($text != "")
 475                                 $text .= "<hr />";
 476
 477                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
 478
 479                         if ($link != "")
 480                                 $text .= '<br /><a href="'.$link.'">[l]</a>';
 481                         break;
 482                 case 4:
 483                         $headline = '<div class="shared_header">';
 484                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 485                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
 486                         $headline .= ":</b></span></div>";
 487
 488                         $text = trim($share[1]);
 489
 490                         if ($text != "")
 491                                 $text .= "<hr />";
 492
 493                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
 494
 495                         break;
 496                 case 5:
 497                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 498                         break;
 499                 case 6: // app.net
 500                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
 501                         break;
 502                 case 7: // statusnet/GNU Social
 503                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
 504                         break;
 505                 case 8: // twitter
 506                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
 507                         break;
 508                 case 9: // Google+/Facebook
 509                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
 510
 511                         if ($link != "")
 512                                 $text .= "<br /><br />".$link;
 513                         break;
 514                 default:
 515                         $headline = trim($share[1]).'<div class="shared_header">';
 516                         if ($avatar != "")
 517                                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 518
 519                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 520                         $headline .= "</div>";
 521                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
 522                         break;
 523         }
 524         return($text);
 525 }
 526
 527 function GetProfileUsername($profile, $username, $compact = false) {
 528
 529         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 530         if ($twitter != $profile) {
 531                 if ($compact)
 532                         return($twitter);
 533                 else
 534                         return($username." (".$twitter.")");
 535         }
 536
 537         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
 538         if ($appnet != $profile) {
 539                 if ($compact)
 540                         return($appnet);
 541                 else
 542                         return($username." (".$appnet.")");
 543         }
 544
 545         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
 546         if ($gplus != $profile) {
 547                 if ($compact)
 548                         return($gplususername." (".$username.")");
 549                 else
 550                         return($username." (".$gplus.")");
 551         }
 552
 553         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 554         if ($friendica != $profile) {
 555                 if ($compact)
 556                         return($friendica);
 557                 else
 558                         return($username." (".$friendica.")");
 559         }
 560
 561         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 562         if ($diaspora != $profile) {
 563                 if ($compact)
 564                         return($diaspora);
 565                 else
 566                         return($username." (".$diaspora.")");
 567         }
 568
 569         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 570         if ($StatusnetHost != $profile) {
 571                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 572                 if ($StatusnetUser != $profile) {
 573                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 574                         $user = json_decode($UserData);
 575                         if ($user) {
 576                                 if ($compact)
 577                                         return($user->screen_name."@".$StatusnetHost);
 578                                 else
 579                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
 580                         }
 581                 }
 582         }
 583
 584         // pumpio (http://host.name/user)
 585         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
 586         if ($rest == "") {
 587                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
 588                 if ($pumpio != $profile) {
 589                         if ($compact)
 590                                 return($pumpio);
 591                         else
 592                                 return($username." (".$pumpio.")");
 593                 }
 594         }
 595
 596         return($username);
 597 }
 598
 599 function bb_RemovePictureLinks($match) {
 600         $text = Cache::get($match[1]);
 601
 602         if(is_null($text)){
 603                 $ch = @curl_init($match[1]);
 604                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 605                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 606                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION.")");
 607                 @curl_exec($ch);
 608                 $curl_info = @curl_getinfo($ch);
 609
 610                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 611                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
 612                 else {
 613                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
 614
 615                         // if its not a picture then look if its a page that contains a picture link
 616                         require_once("include/network.php");
 617
 618                         $body = fetch_url($match[1]);
 619
 620                         $doc = new DOMDocument();
 621                         @$doc->loadHTML($body);
 622                         $xpath = new DomXPath($doc);
 623                         $list = $xpath->query("//meta[@name]");
 624                         foreach ($list as $node) {
 625                                 $attr = array();
 626
 627                                 if ($node->attributes->length)
 628                                         foreach ($node->attributes as $attribute)
 629                                                 $attr[$attribute->name] = $attribute->value;
 630
 631                                 if (strtolower($attr["name"]) == "twitter:image")
 632                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
 633                         }
 634                 }
 635                 Cache::set($match[1],$text);
 636         }
 637         return($text);
 638 }
 639
 640 function bb_expand_links($match) {
 641         if (stristr($match[2], $match[3]) OR ($match[2] == $match[3]))
 642                 return ($match[1]."[url]".$match[2]."[/url]");
 643         else
 644                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
 645 }
 646
 647 function bb_CleanPictureLinksSub($match) {
 648         $text = Cache::get($match[1]);
 649
 650         if(is_null($text)){
 651                 $ch = @curl_init($match[1]);
 652                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 653                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 654                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION.")");
 655                 @curl_exec($ch);
 656                 $curl_info = @curl_getinfo($ch);
 657
 658                 // if its a link to a picture then embed this picture
 659                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 660                         $text = "[img]".$match[1]."[/img]";
 661                 else {
 662                         $text = "[img]".$match[2]."[/img]";
 663
 664                         // if its not a picture then look if its a page that contains a picture link
 665                         require_once("include/network.php");
 666
 667                         $body = fetch_url($match[1]);
 668
 669                         $doc = new DOMDocument();
 670                         @$doc->loadHTML($body);
 671                         $xpath = new DomXPath($doc);
 672                         $list = $xpath->query("//meta[@name]");
 673                         foreach ($list as $node) {
 674                                 $attr = array();
 675
 676                                 if ($node->attributes->length)
 677                                         foreach ($node->attributes as $attribute)
 678                                                 $attr[$attribute->name] = $attribute->value;
 679
 680                                 if (strtolower($attr["name"]) == "twitter:image")
 681                                         $text = "[img]".$attr["content"]."[/img]";
 682                         }
 683                 }
 684                 Cache::set($match[1],$text);
 685         }
 686         return($text);
 687 }
 688
 689 function bb_CleanPictureLinks($text) {
 690         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
 691         return ($text);
 692 }
 693
 694         // BBcode 2 HTML was written by WAY2WEB.net
 695         // extended to work with Mistpark/Friendica - Mike Macgirvin
 696
 697 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
 698
 699         $stamp1 = microtime(true);
 700
 701         $a = get_app();
 702
 703         // Hide all [noparse] contained bbtags by spacefying them
 704         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 705
 706         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 707         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 708         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 709
 710
 711         // Move all spaces out of the tags
 712         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 713         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 714
 715         // Extract the private images which use data urls since preg has issues with
 716         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 717         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 718
 719         $extracted = bb_extract_images($Text);
 720         $Text = $extracted['body'];
 721         $saved_image = $extracted['images'];
 722
 723         // If we find any event code, turn it into an event.
 724         // After we're finished processing the bbcode we'll
 725         // replace all of the event code with a reformatted version.
 726
 727         $ev = bbtoevent($Text);
 728
 729
 730         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 731         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 732
 733         $Text = str_replace("<", "&lt;", $Text);
 734         $Text = str_replace(">", "&gt;", $Text);
 735
 736         // remove some newlines before the general conversion
 737         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 738         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 739
 740         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 741         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 742
 743         // Handle attached links or videos
 744         $Text = bb_attachment($Text, ($simplehtml != 4) AND ($simplehtml != 0), $tryoembed);
 745
 746         // Rearrange shared links
 747         if (get_config("system", "rearrange_shared_links") AND (!$simplehtml OR $tryoembed))
 748                 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_rearrange_link",$Text);
 749
 750         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 751         if (!$tryoembed)
 752                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 753
 754         // Convert new line chars to html <br /> tags
 755
 756         // nlbr seems to be hopelessly messed up
 757         //      $Text = nl2br($Text);
 758
 759         // We'll emulate it.
 760
 761         $Text = trim($Text);
 762         $Text = str_replace("\r\n","\n", $Text);
 763
 764         // removing multiplicated newlines
 765         if (get_config("system", "remove_multiplicated_lines")) {
 766                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ");
 767                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ");
 768                 do {
 769                         $oldtext = $Text;
 770                         $Text = str_replace($search, $replace, $Text);
 771                 } while ($oldtext != $Text);
 772         }
 773
 774         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 775
 776         if($preserve_nl)
 777                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 778
 779
 780
 781         // Set up the parameters for a URL search string
 782         $URLSearchString = "^\[\]";
 783         // Set up the parameters for a MAIL search string
 784         $MAILSearchString = $URLSearchString;
 785
 786         // Remove all hashtag addresses
 787         if (!$tryoembed OR $simplehtml)
 788                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
 789
 790         // Bookmarks in red - will be converted to bookmarks in friendica
 791         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
 792         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
 793         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
 794                                 "[bookmark=$1]$2[/bookmark]", $Text);
 795
 796         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
 797                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
 798                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
 799                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
 800         }
 801
 802         if ($simplehtml == 5)
 803                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
 804
 805         // Perform URL Search
 806         if ($tryoembed)
 807                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
 808
 809         if ($simplehtml == 5)
 810                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
 811         else
 812                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 813
 814         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 815         if (!$forplaintext)
 816                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
 817         else {
 818                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
 819                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
 820         }
 821
 822         if ($tryoembed)
 823                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 824
 825         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
 826         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 827         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 828
 829         // Red compatibility, though the link can't be authenticated on Friendica
 830         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 831
 832
 833         // we may need to restrict this further if it picks up too many strays
 834         // link acct:user@host to a webfinger profile redirector
 835
 836         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 837                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 838
 839         // Perform MAIL Search
 840         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 841         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 842
 843         // Check for bold text
 844         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 845
 846         // Check for Italics text
 847         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 848
 849         // Check for Underline text
 850         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 851
 852         // Check for strike-through text
 853         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 854
 855         // Check for over-line text
 856         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 857
 858         // Check for colored text
 859         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 860
 861         // Check for sized text
 862         // [size=50] --> font-size: 50px (with the unit).
 863         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
 864         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
 865
 866         // Check for centered text
 867         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 868
 869         // Check for list text
 870         $Text = str_replace("[*]", "<li>", $Text);
 871
 872         // Check for style sheet commands
 873         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 874
 875         // Check for CSS classes
 876         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 877
 878         // handle nested lists
 879         $endlessloop = 0;
 880
 881         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 882                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 883                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 884                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 885                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 886                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 887                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 888                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 889                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 890                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 891                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 892                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 893                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 894                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 895         }
 896
 897         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 898         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 899         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 900         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 901
 902         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 903         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 904
 905         $Text = str_replace('[hr]','<hr />', $Text);
 906
 907         // This is actually executed in prepare_body()
 908
 909         $Text = str_replace('[nosmile]','',$Text);
 910
 911         // Check for font change text
 912         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 913
 914         // Declare the format for [code] layout
 915
 916 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 917
 918         $CodeLayout = '<code>$1</code>';
 919         // Check for [code] text
 920         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 921
 922         // Declare the format for [spoiler] layout
 923         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 924
 925         // Check for [spoiler] text
 926         // handle nested quotes
 927         $endlessloop = 0;
 928         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 929                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 930
 931         // Check for [spoiler=Author] text
 932
 933         $t_wrote = t('$1 wrote:');
 934
 935         // handle nested quotes
 936         $endlessloop = 0;
 937         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 938                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 939                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 940                                      $Text);
 941
 942         // Declare the format for [quote] layout
 943         $QuoteLayout = '<blockquote>$1</blockquote>';
 944
 945         // Check for [quote] text
 946         // handle nested quotes
 947         $endlessloop = 0;
 948         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 949                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 950
 951         // Check for [quote=Author] text
 952
 953         $t_wrote = t('$1 wrote:');
 954
 955         // handle nested quotes
 956         $endlessloop = 0;
 957         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 958                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 959                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 960                                      $Text);
 961
 962         // [img=widthxheight]image source[/img]
 963         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 964         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 965         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 966
 967         // Images
 968         // [img]pathtoimage[/img]
 969         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 970         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 971
 972         // Shared content
 973         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
 974                 function ($match) use ($simplehtml){
 975                         return(bb_ShareAttributes($match, $simplehtml));
 976                 },$Text);
 977
 978         $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
 979         $Text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
 980         //$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
 981
 982
 983         // Try to Oembed
 984         if ($tryoembed) {
 985                 $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
 986                 $Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
 987
 988                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 989                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 990         } else {
 991                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
 992                                         '<a href="$1" target="_blank">$1</a>', $Text);
 993                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
 994                                         '<a href="$1" target="_blank">$1</a>', $Text);
 995         }
 996
 997         // html5 video and audio
 998
 999
1000         if ($tryoembed)
1001                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1002         else
1003                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1004
1005         // Youtube extensions
1006         if ($tryoembed) {
1007                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1008                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1009                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1010         }
1011
1012         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1013         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1014         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1015
1016         if ($tryoembed)
1017                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
1018         else
1019                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1020                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1021
1022         if ($tryoembed) {
1023                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1024                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1025         }
1026
1027         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1028         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1029
1030         if ($tryoembed)
1031                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="https://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
1032         else
1033                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1034                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1035
1036 //      $Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
1037
1038
1039         // oembed tag
1040         $Text = oembed_bbcode2html($Text);
1041
1042         // Avoid triple linefeeds through oembed
1043         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1044
1045         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1046         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1047         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1048         // start which is always required). Allow desc with a missing summary for compatibility.
1049
1050         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1051                 $sub = format_event_html($ev);
1052
1053                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1054                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1055                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1056                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1057                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1058                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1059         }
1060
1061         // Unhide all [noparse] contained bbtags unspacefying them
1062         // and triming the [noparse] tag.
1063
1064         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1065         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1066         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1067
1068
1069         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1070         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1071         $Text = preg_replace('/\&quot\;/','"',$Text);
1072
1073         // fix any escaped ampersands that may have been converted into links
1074         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1075         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1076
1077         if($saved_image)
1078                 $Text = bb_replace_images($Text, $saved_image);
1079
1080         // Clean up the HTML by loading and saving the HTML with the DOM.
1081         // Bad structured html can break a whole page.
1082         // For performance reasons do it only with ativated item cache or at export.
1083         if (!$tryoembed OR (get_itemcachepath() != "")) {
1084                 $doc = new DOMDocument();
1085                 $doc->preserveWhiteSpace = false;
1086
1087                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1088
1089                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1090                 $encoding = '<?xml encoding="UTF-8">';
1091                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1092                 $doc->encoding = 'UTF-8';
1093                 $Text = $doc->saveHTML();
1094                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1095
1096                 $Text = str_replace('<br></li>','</li>', $Text);
1097
1098                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1099         }
1100
1101         // Clean up some useless linebreaks in lists
1102         //$Text = str_replace('<br /><ul','<ul ', $Text);
1103         //$Text = str_replace('</ul><br />','</ul>', $Text);
1104         //$Text = str_replace('</li><br />','</li>', $Text);
1105         //$Text = str_replace('<br /><li>','<li>', $Text);
1106         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1107
1108         // Remove all hashtag addresses
1109 /*      if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1110                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1111                 $Text = preg_replace($pattern, '#$2', $Text);
1112         }
1113 */
1114         call_hooks('bbcode',$Text);
1115
1116         $a->save_timestamp($stamp1, "parser");
1117
1118         return $Text;
1119 }
1120 ?>