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