include/bbcode.php

   1 <?php
   2 require_once("include/oembed.php");
   3 require_once('include/event.php');
   4
   5 function bb_rearrange_link($shared) {
   6         if ($shared[1] != "type-link")
   7                 return($shared[0]);
   8
   9         $newshare = trim($shared[2]);
  10         $newshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $newshare);
  11
  12         if (!strpos($shared[0], "[bookmark"))
  13                 $newshare = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $newshare, 1);
  14
  15         preg_match("/\[img\](.*?)\[\/img\]/ism", $newshare, $matches);
  16
  17         if ($matches) {
  18                 $newshare = str_replace($matches[0], '', $newshare);
  19                 $newshare = "[img]".$matches[1]."[/img]\n".$newshare;
  20         }
  21
  22         $search = array("\n\n", "\n ", " \n");
  23         $replace = array("\n", "\n", "\n");
  24         do {
  25                 $oldtext = $newshare;
  26                 $newshare = str_replace($search, $replace, $newshare);
  27         } while ($oldtext != $newshare);
  28
  29         $newshare = "[class=type-link]".$newshare."[/class]";
  30
  31         return($newshare);
  32 }
  33
  34 function bb_remove_share_information($Text) {
  35         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanup_share",$Text);
  36         return($Text);
  37 }
  38
  39 function bb_cleanup_share($shared) {
  40         if ($shared[2] != "type-link")
  41                 return($shared[3]);
  42
  43         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
  44                 return($shared[3]);
  45
  46         $title = "";
  47         $link = "";
  48
  49         if (isset($bookmark[2][0]))
  50                 $title = $bookmark[2][0];
  51
  52         if (isset($bookmark[1][0]))
  53                 $link = $bookmark[1][0];
  54
  55         if (strpos($shared[1],$title) !== false)
  56                 $title = "";
  57
  58 //        if (strpos($shared[1],$link) !== false)
  59 //                $link = "";
  60
  61         $text = trim($shared[1]);
  62
  63         if (($text == "") AND ($title != "") AND ($link == ""))
  64                 $text .= "\n\n".trim($title);
  65
  66         if (($link != "") AND ($title != ""))
  67                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
  68         elseif (($link != ""))
  69                 $text .= "\n".trim($link);
  70
  71         return(trim($text));
  72 }
  73
  74
  75 function bb_cleanstyle($st) {
  76   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
  77 }
  78
  79 function bb_cleanclass($st) {
  80   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
  81 }
  82
  83 function cleancss($input) {
  84
  85         $cleaned = "";
  86
  87         $input = strtolower($input);
  88
  89         for ($i = 0; $i < strlen($input); $i++) {
  90                 $char = substr($input, $i, 1);
  91
  92                 if (($char >= "a") and ($char <= "z"))
  93                         $cleaned .= $char;
  94
  95                 if (!(strpos(" #;:0123456789-_", $char) === false))
  96                         $cleaned .= $char;
  97         }
  98
  99         return($cleaned);
 100 }
 101
 102 function stripcode_br_cb($s) {
 103         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
 104 }
 105
 106 function tryoembed($match){
 107         $url = ((count($match)==2)?$match[1]:$match[2]);
 108
 109         // Always embed the SSL version
 110         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
 111                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
 112
 113         //logger("tryoembed: $url");
 114
 115         $o = oembed_fetch_url($url);
 116
 117         //echo "<pre>"; var_dump($match, $url, $o); killme();
 118
 119         if ($o->type=="error") return $match[0];
 120
 121         $html = oembed_format_object($o);
 122         return $html; //oembed_iframe($html,$o->width,$o->height);
 123
 124 }
 125
 126 // [noparse][i]italic[/i][/noparse] turns into
 127 // [noparse][ i ]italic[ /i ][/noparse],
 128 // to hide them from parser.
 129
 130 function bb_spacefy($st) {
 131   $whole_match = $st[0];
 132   $captured = $st[1];
 133   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
 134   $new_str = str_replace($captured, $spacefied, $whole_match);
 135   return $new_str;
 136 }
 137
 138 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
 139 // now turns back and the [noparse] tags are trimed
 140 // returning [i]italic[/i]
 141
 142 function bb_unspacefy_and_trim($st) {
 143   $whole_match = $st[0];
 144   $captured = $st[1];
 145   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
 146   return $unspacefied;
 147 }
 148
 149 function bb_find_open_close($s, $open, $close, $occurance = 1) {
 150
 151         if($occurance < 1)
 152                 $occurance = 1;
 153
 154         $start_pos = -1;
 155         for($i = 1; $i <= $occurance; $i++) {
 156                 if( $start_pos !== false)
 157                         $start_pos = strpos($s, $open, $start_pos + 1);
 158         }
 159
 160         if( $start_pos === false)
 161                 return false;
 162
 163         $end_pos = strpos($s, $close, $start_pos);
 164
 165         if( $end_pos === false)
 166                 return false;
 167
 168         $res = array( 'start' => $start_pos, 'end' => $end_pos );
 169
 170         return $res;
 171 }
 172
 173 function get_bb_tag_pos($s, $name, $occurance = 1) {
 174
 175         if($occurance < 1)
 176                 $occurance = 1;
 177
 178         $start_open = -1;
 179         for($i = 1; $i <= $occurance; $i++) {
 180                 if( $start_open !== false)
 181                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 182         }
 183
 184         if( $start_open === false)
 185                 return false;
 186
 187         $start_equal = strpos($s, '=', $start_open);
 188         $start_close = strpos($s, ']', $start_open);
 189
 190         if( $start_close === false)
 191                 return false;
 192
 193         $start_close++;
 194
 195         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 196
 197         if( $end_open === false)
 198                 return false;
 199
 200         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 201                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 202         if( $start_equal !== false)
 203                 $res['start']['equal'] = $start_equal + 1;
 204
 205         return $res;
 206 }
 207
 208 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 209
 210         $string = $s;
 211
 212         $occurance = 1;
 213         $pos = get_bb_tag_pos($string, $name, $occurance);
 214         while($pos !== false && $occurance < 1000) {
 215
 216                 $start = substr($string, 0, $pos['start']['open']);
 217                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 218                 $end = substr($string, $pos['end']['close']);
 219                 if($end === false)
 220                         $end = '';
 221
 222                 $subject = preg_replace($pattern, $replace, $subject);
 223                 $string = $start . $subject . $end;
 224
 225                 $occurance++;
 226                 $pos = get_bb_tag_pos($string, $name, $occurance);
 227         }
 228
 229         return $string;
 230 }
 231
 232 if(! function_exists('bb_extract_images')) {
 233 function bb_extract_images($body) {
 234
 235         $saved_image = array();
 236         $orig_body = $body;
 237         $new_body = '';
 238
 239         $cnt = 0;
 240         $img_start = strpos($orig_body, '[img');
 241         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 242         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 243         while(($img_st_close !== false) && ($img_end !== false)) {
 244
 245                 $img_st_close++; // make it point to AFTER the closing bracket
 246                 $img_end += $img_start;
 247
 248                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 249                         // This is an embedded image
 250
 251                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 252                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 253
 254                         $cnt++;
 255                 }
 256                 else
 257                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 258
 259                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 260
 261                 if($orig_body === false) // in case the body ends on a closing image tag
 262                         $orig_body = '';
 263
 264                 $img_start = strpos($orig_body, '[img');
 265                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 266                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 267         }
 268
 269         $new_body = $new_body . $orig_body;
 270
 271         return array('body' => $new_body, 'images' => $saved_image);
 272 }}
 273
 274 if(! function_exists('bb_replace_images')) {
 275 function bb_replace_images($body, $images) {
 276
 277         $newbody = $body;
 278
 279         $cnt = 0;
 280         foreach($images as $image) {
 281                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 282                 // it loops over the array starting from the first element and going sequentially
 283                 // to the last element
 284                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 285                 $cnt++;
 286         }
 287
 288         return $newbody;
 289 }}
 290
 291 function bb_ShareAttributes($match) {
 292
 293         $attributes = $match[1];
 294
 295         $author = "";
 296         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 297         if ($matches[1] != "")
 298                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 299
 300         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 301         if ($matches[1] != "")
 302                 $author = $matches[1];
 303
 304         $link = "";
 305         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 306         if ($matches[1] != "")
 307                 $link = $matches[1];
 308
 309         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 310         if ($matches[1] != "")
 311                 $link = $matches[1];
 312
 313         $avatar = "";
 314         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 315         if ($matches[1] != "")
 316                 $avatar = $matches[1];
 317
 318         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 319         if ($matches[1] != "")
 320                 $avatar = $matches[1];
 321
 322         $profile = "";
 323         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 324         if ($matches[1] != "")
 325                 $profile = $matches[1];
 326
 327         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 328         if ($matches[1] != "")
 329                 $profile = $matches[1];
 330
 331         $posted = "";
 332
 333         $itemcache = get_config("system","itemcache");
 334
 335         // relative dates only make sense when they aren't cached
 336         if ($itemcache == "") {
 337                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 338                 if ($matches[1] != "")
 339                         $posted = $matches[1];
 340
 341                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 342                 if ($matches[1] != "")
 343                         $posted = $matches[1];
 344
 345                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 346         }
 347
 348         $headline = '<div class="shared_header">';
 349         //$headline = '<br /><div class="shared_header">';
 350
 351         if ($avatar != "")
 352                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 353
 354         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 355
 356         $headline .= "</div>";
 357
 358         $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
 359
 360         return($text);
 361 }
 362
 363 // Escpecially for Diaspora (there mustn't be links in the share information)
 364 function bb_ShareAttributesDiaspora($match) {
 365
 366         $attributes = $match[2];
 367
 368         $author = "";
 369         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 370         if ($matches[1] != "")
 371                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 372
 373         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 374         if ($matches[1] != "")
 375                 $author = $matches[1];
 376
 377         $profile = "";
 378         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 379         if ($matches[1] != "")
 380                 $profile = $matches[1];
 381
 382         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 383         if ($matches[1] != "")
 384                 $profile = $matches[1];
 385
 386         $posted = "";
 387 //      preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 388 //      if ($matches[1] != "")
 389 //              $posted = " ".date("Y-m-d H:i", strtotime($matches[1]));
 390 //
 391 //      preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 392 //      if ($matches[1] != "")
 393 //              $posted = " ".date("Y-m-d H:i", strtotime($matches[1]));
 394
 395         $userid = GetProfileUsername($profile,$author);
 396
 397         $headline = '<div class="shared_header">';
 398         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b></span>';
 399         //$headline .= sprintf(t('<span><b>'.
 400         //              html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').
 401         //              '<a href="%s" target="_blank">%s</a>%s:</b></span>'), $profile, $userid, $posted);
 402         $headline .= "</div>";
 403
 404         $text = trim($match[1]);
 405
 406         if ($text != "")
 407                 $text .= "<hr />";
 408
 409         $text .= $headline.'<blockquote class="shared_content">'.trim($match[3])."</blockquote><br />";
 410         //$text .= $headline."<br />".trim($match[3])."<br />";
 411
 412         return($text);
 413 }
 414
 415 // Optimized for Libertree, Wordpress, Tumblr, ...
 416 function bb_ShareAttributesForExport($match) {
 417
 418         $attributes = $match[2];
 419
 420         $author = "";
 421         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 422         if ($matches[1] != "")
 423                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 424
 425         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 426         if ($matches[1] != "")
 427                 $author = $matches[1];
 428
 429         $profile = "";
 430         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 431         if ($matches[1] != "")
 432                 $profile = $matches[1];
 433
 434         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 435         if ($matches[1] != "")
 436                 $profile = $matches[1];
 437
 438         $link = "";
 439         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 440         if ($matches[1] != "")
 441                 $link = $matches[1];
 442
 443         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 444         if ($matches[1] != "")
 445                 $link = $matches[1];
 446
 447         if ($link == "")
 448                 $link = $profile;
 449
 450         $userid = GetProfileUsername($profile,$author);
 451
 452         $headline = '<div class="shared_header">';
 453         $headline .= sprintf(t('<span><b>'.
 454                         html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').
 455                         '<a href="%s" target="_blank">%s</a>%s:</b></span>'), $link, $userid, $posted);
 456         $headline .= "</div>";
 457
 458         $text = trim($match[1]);
 459
 460         if ($text != "")
 461                 $text .= "<hr />";
 462
 463         $text .= $headline.'<blockquote class="shared_content">'.trim($match[3])."</blockquote><br />";
 464
 465         return($text);
 466 }
 467
 468 // Still in use?
 469 function bb_ShareAttributesSimple($match) {
 470
 471         $attributes = $match[1];
 472
 473         $author = "";
 474         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 475         if ($matches[1] != "")
 476                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 477
 478         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 479         if ($matches[1] != "")
 480                 $author = $matches[1];
 481
 482         $profile = "";
 483         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 484         if ($matches[1] != "")
 485                 $profile = $matches[1];
 486
 487         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 488         if ($matches[1] != "")
 489                 $profile = $matches[1];
 490
 491         $userid = GetProfileUsername($profile,$author);
 492
 493         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 494
 495         return($text);
 496 }
 497
 498 // Used for text exports (Twitter, Facebook, Google+)
 499 function bb_ShareAttributesSimple2($match) {
 500
 501         $attributes = $match[1];
 502
 503         $author = "";
 504         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 505         if ($matches[1] != "")
 506                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 507
 508         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 509         if ($matches[1] != "")
 510                 $author = $matches[1];
 511
 512         $profile = "";
 513         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 514         if ($matches[1] != "")
 515                 $profile = $matches[1];
 516
 517         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 518         if ($matches[1] != "")
 519                 $profile = $matches[1];
 520
 521         $userid = GetProfileUsername($profile,$author);
 522
 523         //$text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 524         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid.": <br />".$match[2];
 525
 526         return($text);
 527 }
 528
 529 function GetProfileUsername($profile, $username) {
 530
 531         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 532         if ($twitter != $profile)
 533                 return($username." (".$twitter.")");
 534
 535         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
 536         if ($gplus != $profile)
 537                 return($username." (".$gplus.")");
 538
 539         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 540         if ($friendica != $profile)
 541                 return($username." (".$friendica.")");
 542
 543         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 544         if ($diaspora != $profile)
 545                 return($username." (".$diaspora.")");
 546
 547         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 548         if ($StatusnetHost != $profile) {
 549                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 550                 if ($StatusnetUser != $profile) {
 551                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 552                         $user = json_decode($UserData);
 553                         if ($user)
 554                                 return($username." (".$user->screen_name."@".$StatusnetHost.")");
 555                 }
 556         }
 557
 558         // pumpio (http://host.name/user)
 559         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
 560         if ($rest == "") {
 561                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "*$2@$1*", $profile);
 562                 if ($pumpio != $profile)
 563                         return($username." (".$pumpio.")");
 564         }
 565
 566         return($username);
 567 }
 568
 569 function bb_RemovePictureLinks($match) {
 570         $text = Cache::get($match[1]);
 571
 572         if(is_null($text)){
 573                 $ch = @curl_init($match[1]);
 574                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 575                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 576                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 577                 @curl_exec($ch);
 578                 $curl_info = @curl_getinfo($ch);
 579
 580                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 581                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
 582                 else {
 583                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
 584
 585                         // if its not a picture then look if its a page that contains a picture link
 586                         require_once("include/network.php");
 587
 588                         $body = fetch_url($match[1]);
 589
 590                         $doc = new DOMDocument();
 591                         @$doc->loadHTML($body);
 592                         $xpath = new DomXPath($doc);
 593                         $list = $xpath->query("//meta[@name]");
 594                         foreach ($list as $node) {
 595                                 $attr = array();
 596
 597                                 if ($node->attributes->length)
 598                                         foreach ($node->attributes as $attribute)
 599                                                 $attr[$attribute->name] = $attribute->value;
 600
 601                                 if (strtolower($attr["name"]) == "twitter:image")
 602                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
 603                         }
 604                 }
 605                 Cache::set($match[1],$text);
 606         }
 607         return($text);
 608 }
 609
 610 function bb_CleanPictureLinksSub($match) {
 611         $text = Cache::get($match[1]);
 612
 613         if(is_null($text)){
 614                 $ch = @curl_init($match[1]);
 615                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 616                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 617                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 618                 @curl_exec($ch);
 619                 $curl_info = @curl_getinfo($ch);
 620
 621                 // if its a link to a picture then embed this picture
 622                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 623                         $text = "[img]".$match[1]."[/img]";
 624                 else {
 625                         $text = "[img]".$match[2]."[/img]";
 626
 627                         // if its not a picture then look if its a page that contains a picture link
 628                         require_once("include/network.php");
 629
 630                         $body = fetch_url($match[1]);
 631
 632                         $doc = new DOMDocument();
 633                         @$doc->loadHTML($body);
 634                         $xpath = new DomXPath($doc);
 635                         $list = $xpath->query("//meta[@name]");
 636                         foreach ($list as $node) {
 637                                 $attr = array();
 638
 639                                 if ($node->attributes->length)
 640                                         foreach ($node->attributes as $attribute)
 641                                                 $attr[$attribute->name] = $attribute->value;
 642
 643                                 if (strtolower($attr["name"]) == "twitter:image")
 644                                         $text = "[img]".$attr["content"]."[/img]";
 645                         }
 646                 }
 647                 Cache::set($match[1],$text);
 648         }
 649         return($text);
 650 }
 651
 652 function bb_CleanPictureLinks($text) {
 653         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
 654         return ($text);
 655 }
 656
 657         // BBcode 2 HTML was written by WAY2WEB.net
 658         // extended to work with Mistpark/Friendica - Mike Macgirvin
 659
 660 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
 661
 662         $stamp1 = microtime(true);
 663
 664         $a = get_app();
 665
 666         // Hide all [noparse] contained bbtags by spacefying them
 667         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 668
 669         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 670         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 671         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 672
 673
 674         // Move all spaces out of the tags
 675         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 676         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 677
 678         // Extract the private images which use data urls since preg has issues with
 679         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 680         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 681
 682         $extracted = bb_extract_images($Text);
 683         $Text = $extracted['body'];
 684         $saved_image = $extracted['images'];
 685
 686         // If we find any event code, turn it into an event.
 687         // After we're finished processing the bbcode we'll
 688         // replace all of the event code with a reformatted version.
 689
 690         $ev = bbtoevent($Text);
 691
 692
 693         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 694         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 695
 696         $Text = str_replace("<", "&lt;", $Text);
 697         $Text = str_replace(">", "&gt;", $Text);
 698
 699         // remove some newlines before the general conversion
 700         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 701         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 702
 703         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 704         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 705
 706         // Rearrange shared links
 707         if (get_config("system", "rearrange_shared_links") AND (!$simplehtml OR $tryoembed))
 708                 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_rearrange_link",$Text);
 709
 710         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 711         if (!$tryoembed)
 712                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 713
 714         // Convert new line chars to html <br /> tags
 715
 716         // nlbr seems to be hopelessly messed up
 717         //      $Text = nl2br($Text);
 718
 719         // We'll emulate it.
 720
 721         $Text = trim($Text);
 722         $Text = str_replace("\r\n","\n", $Text);
 723
 724         // removing multiplicated newlines
 725         if (get_config("system", "remove_multiplicated_lines")) {
 726                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 727                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 728                 do {
 729                         $oldtext = $Text;
 730                         $Text = str_replace($search, $replace, $Text);
 731                 } while ($oldtext != $Text);
 732         }
 733
 734         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 735
 736         if($preserve_nl)
 737                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 738
 739
 740
 741         // Set up the parameters for a URL search string
 742         $URLSearchString = "^\[\]";
 743         // Set up the parameters for a MAIL search string
 744         $MAILSearchString = $URLSearchString;
 745
 746         // Bookmarks in red - will be converted to bookmarks in friendica
 747         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
 748         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
 749
 750         if ($simplehtml == 5)
 751                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
 752
 753         // Perform URL Search
 754         if ($tryoembed)
 755                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 756
 757         if ($simplehtml == 5)
 758                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
 759         else
 760                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 761
 762         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 763         if (!$forplaintext)
 764                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
 765         else {
 766                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
 767                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
 768         }
 769
 770         if ($tryoembed)
 771                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 772
 773         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
 774         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 775         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 776
 777         // Red compatibility, though the link can't be authenticated on Friendica
 778         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 779
 780
 781         // we may need to restrict this further if it picks up too many strays
 782         // link acct:user@host to a webfinger profile redirector
 783
 784         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 785                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 786
 787         // Perform MAIL Search
 788         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 789         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 790
 791         // Check for bold text
 792         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 793
 794         // Check for Italics text
 795         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 796
 797         // Check for Underline text
 798         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 799
 800         // Check for strike-through text
 801         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 802
 803         // Check for over-line text
 804         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 805
 806         // Check for colored text
 807         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 808
 809         // Check for sized text
 810         // [size=50] --> font-size: 50px (with the unit).
 811         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 812         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 813
 814         // Check for centered text
 815         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 816
 817         // Check for list text
 818         $Text = str_replace("[*]", "<li>", $Text);
 819
 820         // Check for style sheet commands
 821         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 822
 823         // Check for CSS classes
 824         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 825
 826         // handle nested lists
 827         $endlessloop = 0;
 828
 829         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 830                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 831                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 832                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 833                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 834                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 835                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 836                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 837                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 838                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 839                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 840                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 841                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 842                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 843         }
 844
 845         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 846         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 847         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 848         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 849
 850         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 851         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 852
 853         $Text = str_replace('[hr]','<hr />', $Text);
 854
 855         // This is actually executed in prepare_body()
 856
 857         $Text = str_replace('[nosmile]','',$Text);
 858
 859         // Check for font change text
 860         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 861
 862         // Declare the format for [code] layout
 863
 864 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 865
 866         $CodeLayout = '<code>$1</code>';
 867         // Check for [code] text
 868         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 869
 870         // Declare the format for [spoiler] layout
 871         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 872
 873         // Check for [spoiler] text
 874         // handle nested quotes
 875         $endlessloop = 0;
 876         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 877                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 878
 879         // Check for [spoiler=Author] text
 880
 881         $t_wrote = t('$1 wrote:');
 882
 883         // handle nested quotes
 884         $endlessloop = 0;
 885         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 886                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 887                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 888                                      $Text);
 889
 890         // Declare the format for [quote] layout
 891         $QuoteLayout = '<blockquote>$1</blockquote>';
 892
 893         // Check for [quote] text
 894         // handle nested quotes
 895         $endlessloop = 0;
 896         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 897                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 898
 899         // Check for [quote=Author] text
 900
 901         $t_wrote = t('$1 wrote:');
 902
 903         // handle nested quotes
 904         $endlessloop = 0;
 905         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 906                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 907                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 908                                      $Text);
 909
 910         // [img=widthxheight]image source[/img]
 911         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 912         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 913         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 914
 915         // Images
 916         // [img]pathtoimage[/img]
 917         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 918         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 919
 920         // Shared content
 921         if (!$simplehtml)
 922                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 923         elseif ($simplehtml == 1)
 924                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 925         elseif (($simplehtml == 2) OR ($simplehtml == 5))
 926                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 927         elseif ($simplehtml == 3)
 928                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesDiaspora",$Text);
 929         elseif ($simplehtml == 4)
 930                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesForExport",$Text);
 931
 932         $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);
 933         $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 />', $Text);
 934         //$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 />', $Text);
 935
 936
 937         // Try to Oembed
 938         if ($tryoembed) {
 939                 $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);
 940                 $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);
 941
 942                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 943                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 944         } else {
 945                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
 946                                         '<a href="$1" target="_blank">$1</a>', $Text);
 947                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
 948                                         '<a href="$1" target="_blank">$1</a>', $Text);
 949         }
 950
 951         // html5 video and audio
 952
 953
 954         if ($tryoembed)
 955                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 956         else
 957                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 958
 959         // Youtube extensions
 960         if ($tryoembed) {
 961                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 962                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 963                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 964         }
 965
 966         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 967         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 968         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 969
 970         if ($tryoembed)
 971                 $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);
 972         else
 973                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
 974                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
 975
 976         if ($tryoembed) {
 977                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 978                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 979         }
 980
 981         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 982         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 983
 984         if ($tryoembed)
 985                 $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);
 986         else
 987                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
 988                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
 989
 990 //      $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);
 991
 992
 993         // oembed tag
 994         $Text = oembed_bbcode2html($Text);
 995
 996         // Avoid triple linefeeds through oembed
 997         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
 998
 999         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1000         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1001         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1002         // start which is always required). Allow desc with a missing summary for compatibility.
1003
1004         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1005                 $sub = format_event_html($ev);
1006
1007                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1008                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1009                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1010                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1011                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1012                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1013         }
1014
1015         // Unhide all [noparse] contained bbtags unspacefying them
1016         // and triming the [noparse] tag.
1017
1018         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1019         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1020         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1021
1022
1023         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1024         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1025         $Text = preg_replace('/\&quot\;/','"',$Text);
1026
1027         // fix any escaped ampersands that may have been converted into links
1028         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1029         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1030
1031         if($saved_image)
1032                 $Text = bb_replace_images($Text, $saved_image);
1033
1034         // Clean up the HTML by loading and saving the HTML with the DOM
1035         // Only do it when it has to be done - for performance reasons
1036         // Update: Now it is done every time - since bad structured html can break a whole page
1037         //if (!$tryoembed) {
1038         //      $doc = new DOMDocument();
1039         //      $doc->preserveWhiteSpace = false;
1040
1041         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1042
1043         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1044         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
1045
1046         //      $Text = $doc->saveHTML();
1047         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
1048
1049         //      $Text = str_replace('<br></li>','</li>', $Text);
1050
1051         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1052         //}
1053
1054         // Clean up some useless linebreaks in lists
1055         //$Text = str_replace('<br /><ul','<ul ', $Text);
1056         //$Text = str_replace('</ul><br />','</ul>', $Text);
1057         //$Text = str_replace('</li><br />','</li>', $Text);
1058         //$Text = str_replace('<br /><li>','<li>', $Text);
1059         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1060
1061         // Remove all hashtag addresses
1062         if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1063                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1064                 $Text = preg_replace($pattern, '#$2', $Text);
1065         }
1066
1067         call_hooks('bbcode',$Text);
1068
1069         $a->save_timestamp($stamp1, "parser");
1070
1071         return $Text;
1072 }