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, $plaintext = false) {
  35         if ($plaintext)
  36                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $Text);
  37
  38         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanup_share",$Text);
  39         return($Text);
  40 }
  41
  42 function bb_cleanup_share($shared) {
  43         if (!in_array($shared[2], array("type-link", "type-video")))
  44                 return($shared[0]);
  45
  46         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
  47                 return($shared[0]);
  48
  49         $title = "";
  50         $link = "";
  51
  52         if (isset($bookmark[2][0]))
  53                 $title = $bookmark[2][0];
  54
  55         if (isset($bookmark[1][0]))
  56                 $link = $bookmark[1][0];
  57
  58         if (strpos($shared[1],$title) !== false)
  59                 $title = "";
  60
  61 //        if (strpos($shared[1],$link) !== false)
  62 //                $link = "";
  63
  64         $text = trim($shared[1]);
  65
  66         if (($text == "") AND ($title != "") AND ($link == ""))
  67                 $text .= "\n\n".trim($title);
  68
  69         if (($link != "") AND ($title != ""))
  70                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
  71         elseif (($link != ""))
  72                 $text .= "\n".trim($link);
  73
  74         return(trim($text));
  75 }
  76
  77
  78 function bb_cleanstyle($st) {
  79   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
  80 }
  81
  82 function bb_cleanclass($st) {
  83   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
  84 }
  85
  86 function cleancss($input) {
  87
  88         $cleaned = "";
  89
  90         $input = strtolower($input);
  91
  92         for ($i = 0; $i < strlen($input); $i++) {
  93                 $char = substr($input, $i, 1);
  94
  95                 if (($char >= "a") and ($char <= "z"))
  96                         $cleaned .= $char;
  97
  98                 if (!(strpos(" #;:0123456789-_", $char) === false))
  99                         $cleaned .= $char;
 100         }
 101
 102         return($cleaned);
 103 }
 104
 105 function stripcode_br_cb($s) {
 106         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
 107 }
 108
 109 function tryoembed($match){
 110         $url = ((count($match)==2)?$match[1]:$match[2]);
 111
 112         // Always embed the SSL version
 113         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
 114                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
 115
 116         //logger("tryoembed: $url");
 117
 118         $o = oembed_fetch_url($url);
 119
 120         //echo "<pre>"; var_dump($match, $url, $o); killme();
 121
 122         if ($o->type=="error") return $match[0];
 123
 124         $html = oembed_format_object($o);
 125         return $html; //oembed_iframe($html,$o->width,$o->height);
 126
 127 }
 128
 129 // [noparse][i]italic[/i][/noparse] turns into
 130 // [noparse][ i ]italic[ /i ][/noparse],
 131 // to hide them from parser.
 132
 133 function bb_spacefy($st) {
 134   $whole_match = $st[0];
 135   $captured = $st[1];
 136   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
 137   $new_str = str_replace($captured, $spacefied, $whole_match);
 138   return $new_str;
 139 }
 140
 141 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
 142 // now turns back and the [noparse] tags are trimed
 143 // returning [i]italic[/i]
 144
 145 function bb_unspacefy_and_trim($st) {
 146   $whole_match = $st[0];
 147   $captured = $st[1];
 148   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
 149   return $unspacefied;
 150 }
 151
 152 function bb_find_open_close($s, $open, $close, $occurance = 1) {
 153
 154         if($occurance < 1)
 155                 $occurance = 1;
 156
 157         $start_pos = -1;
 158         for($i = 1; $i <= $occurance; $i++) {
 159                 if( $start_pos !== false)
 160                         $start_pos = strpos($s, $open, $start_pos + 1);
 161         }
 162
 163         if( $start_pos === false)
 164                 return false;
 165
 166         $end_pos = strpos($s, $close, $start_pos);
 167
 168         if( $end_pos === false)
 169                 return false;
 170
 171         $res = array( 'start' => $start_pos, 'end' => $end_pos );
 172
 173         return $res;
 174 }
 175
 176 function get_bb_tag_pos($s, $name, $occurance = 1) {
 177
 178         if($occurance < 1)
 179                 $occurance = 1;
 180
 181         $start_open = -1;
 182         for($i = 1; $i <= $occurance; $i++) {
 183                 if( $start_open !== false)
 184                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 185         }
 186
 187         if( $start_open === false)
 188                 return false;
 189
 190         $start_equal = strpos($s, '=', $start_open);
 191         $start_close = strpos($s, ']', $start_open);
 192
 193         if( $start_close === false)
 194                 return false;
 195
 196         $start_close++;
 197
 198         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 199
 200         if( $end_open === false)
 201                 return false;
 202
 203         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 204                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 205         if( $start_equal !== false)
 206                 $res['start']['equal'] = $start_equal + 1;
 207
 208         return $res;
 209 }
 210
 211 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 212
 213         $string = $s;
 214
 215         $occurance = 1;
 216         $pos = get_bb_tag_pos($string, $name, $occurance);
 217         while($pos !== false && $occurance < 1000) {
 218
 219                 $start = substr($string, 0, $pos['start']['open']);
 220                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 221                 $end = substr($string, $pos['end']['close']);
 222                 if($end === false)
 223                         $end = '';
 224
 225                 $subject = preg_replace($pattern, $replace, $subject);
 226                 $string = $start . $subject . $end;
 227
 228                 $occurance++;
 229                 $pos = get_bb_tag_pos($string, $name, $occurance);
 230         }
 231
 232         return $string;
 233 }
 234
 235 if(! function_exists('bb_extract_images')) {
 236 function bb_extract_images($body) {
 237
 238         $saved_image = array();
 239         $orig_body = $body;
 240         $new_body = '';
 241
 242         $cnt = 0;
 243         $img_start = strpos($orig_body, '[img');
 244         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 245         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 246         while(($img_st_close !== false) && ($img_end !== false)) {
 247
 248                 $img_st_close++; // make it point to AFTER the closing bracket
 249                 $img_end += $img_start;
 250
 251                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 252                         // This is an embedded image
 253
 254                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 255                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 256
 257                         $cnt++;
 258                 }
 259                 else
 260                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 261
 262                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 263
 264                 if($orig_body === false) // in case the body ends on a closing image tag
 265                         $orig_body = '';
 266
 267                 $img_start = strpos($orig_body, '[img');
 268                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 269                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 270         }
 271
 272         $new_body = $new_body . $orig_body;
 273
 274         return array('body' => $new_body, 'images' => $saved_image);
 275 }}
 276
 277 if(! function_exists('bb_replace_images')) {
 278 function bb_replace_images($body, $images) {
 279
 280         $newbody = $body;
 281
 282         $cnt = 0;
 283         foreach($images as $image) {
 284                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 285                 // it loops over the array starting from the first element and going sequentially
 286                 // to the last element
 287                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 288                 $cnt++;
 289         }
 290
 291         return $newbody;
 292 }}
 293
 294 function bb_ShareAttributes($match) {
 295
 296         $attributes = $match[1];
 297
 298         $author = "";
 299         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 300         if ($matches[1] != "")
 301                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 302
 303         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 304         if ($matches[1] != "")
 305                 $author = $matches[1];
 306
 307         $link = "";
 308         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 309         if ($matches[1] != "")
 310                 $link = $matches[1];
 311
 312         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 313         if ($matches[1] != "")
 314                 $link = $matches[1];
 315
 316         $avatar = "";
 317         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 318         if ($matches[1] != "")
 319                 $avatar = $matches[1];
 320
 321         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 322         if ($matches[1] != "")
 323                 $avatar = $matches[1];
 324
 325         $profile = "";
 326         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 327         if ($matches[1] != "")
 328                 $profile = $matches[1];
 329
 330         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 331         if ($matches[1] != "")
 332                 $profile = $matches[1];
 333
 334         $posted = "";
 335
 336         $itemcache = get_config("system","itemcache");
 337
 338         // relative dates only make sense when they aren't cached
 339         if ($itemcache == "") {
 340                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 341                 if ($matches[1] != "")
 342                         $posted = $matches[1];
 343
 344                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 345                 if ($matches[1] != "")
 346                         $posted = $matches[1];
 347
 348                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 349         }
 350
 351         $headline = '<div class="shared_header">';
 352         //$headline = '<br /><div class="shared_header">';
 353
 354         if ($avatar != "")
 355                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 356
 357         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 358
 359         $headline .= "</div>";
 360
 361         $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
 362
 363         return($text);
 364 }
 365
 366 // Escpecially for Diaspora (there mustn't be links in the share information)
 367 function bb_ShareAttributesDiaspora($match) {
 368
 369         $attributes = $match[2];
 370
 371         $author = "";
 372         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 373         if ($matches[1] != "")
 374                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 375
 376         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 377         if ($matches[1] != "")
 378                 $author = $matches[1];
 379
 380         $profile = "";
 381         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 382         if ($matches[1] != "")
 383                 $profile = $matches[1];
 384
 385         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 386         if ($matches[1] != "")
 387                 $profile = $matches[1];
 388
 389         $link = "";
 390         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 391         if ($matches[1] != "")
 392                 $link = $matches[1];
 393
 394         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 395         if ($matches[1] != "")
 396                 $link = $matches[1];
 397
 398         $userid = GetProfileUsername($profile,$author);
 399
 400         $headline = '<div class="shared_header">';
 401         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b></span>';
 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
 411         if ($link != "")
 412                 $text .= '<br /><a href="'.$link.'">[l]</a>';
 413
 414         //      $text .= '<br /><a href="'.$link.'">'.t("Link").' [l]</a>';
 415
 416         return($text);
 417 }
 418
 419 // Optimized for Libertree, Wordpress, Tumblr, ...
 420 function bb_ShareAttributesForExport($match) {
 421
 422         $attributes = $match[2];
 423
 424         $author = "";
 425         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 426         if ($matches[1] != "")
 427                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 428
 429         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 430         if ($matches[1] != "")
 431                 $author = $matches[1];
 432
 433         $profile = "";
 434         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 435         if ($matches[1] != "")
 436                 $profile = $matches[1];
 437
 438         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 439         if ($matches[1] != "")
 440                 $profile = $matches[1];
 441
 442         $link = "";
 443         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 444         if ($matches[1] != "")
 445                 $link = $matches[1];
 446
 447         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 448         if ($matches[1] != "")
 449                 $link = $matches[1];
 450
 451         if ($link == "")
 452                 $link = $profile;
 453
 454         $userid = GetProfileUsername($profile,$author);
 455
 456         $headline = '<div class="shared_header">';
 457         $headline .= sprintf(t('<span><b>'.
 458                         html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').
 459                         '<a href="%s" target="_blank">%s</a>%s:</b></span>'), $link, $userid, $posted);
 460         $headline .= "</div>";
 461
 462         $text = trim($match[1]);
 463
 464         if ($text != "")
 465                 $text .= "<hr />";
 466
 467         $text .= $headline.'<blockquote class="shared_content">'.trim($match[3])."</blockquote><br />";
 468
 469         return($text);
 470 }
 471
 472 // Still in use?
 473 function bb_ShareAttributesSimple($match) {
 474
 475         $attributes = $match[1];
 476
 477         $author = "";
 478         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 479         if ($matches[1] != "")
 480                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 481
 482         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 483         if ($matches[1] != "")
 484                 $author = $matches[1];
 485
 486         $profile = "";
 487         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 488         if ($matches[1] != "")
 489                 $profile = $matches[1];
 490
 491         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 492         if ($matches[1] != "")
 493                 $profile = $matches[1];
 494
 495         $userid = GetProfileUsername($profile,$author);
 496
 497         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 498
 499         return($text);
 500 }
 501
 502 // Used for text exports (Twitter, Facebook, Google+)
 503 function bb_ShareAttributesSimple2($match) {
 504
 505         $attributes = $match[1];
 506
 507         $author = "";
 508         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 509         if ($matches[1] != "")
 510                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 511
 512         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 513         if ($matches[1] != "")
 514                 $author = $matches[1];
 515
 516         $profile = "";
 517         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 518         if ($matches[1] != "")
 519                 $profile = $matches[1];
 520
 521         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 522         if ($matches[1] != "")
 523                 $profile = $matches[1];
 524
 525         $userid = GetProfileUsername($profile,$author);
 526
 527         //$text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 528         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid.": <br />".$match[2];
 529
 530         return($text);
 531 }
 532
 533 function GetProfileUsername($profile, $username) {
 534
 535         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 536         if ($twitter != $profile)
 537                 return($username." (".$twitter.")");
 538
 539         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
 540         if ($gplus != $profile)
 541                 return($username." (".$gplus.")");
 542
 543         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 544         if ($friendica != $profile)
 545                 return($username." (".$friendica.")");
 546
 547         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 548         if ($diaspora != $profile)
 549                 return($username." (".$diaspora.")");
 550
 551         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 552         if ($StatusnetHost != $profile) {
 553                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 554                 if ($StatusnetUser != $profile) {
 555                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 556                         $user = json_decode($UserData);
 557                         if ($user)
 558                                 return($username." (".$user->screen_name."@".$StatusnetHost.")");
 559                 }
 560         }
 561
 562         // pumpio (http://host.name/user)
 563         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
 564         if ($rest == "") {
 565                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "*$2@$1*", $profile);
 566                 if ($pumpio != $profile)
 567                         return($username." (".$pumpio.")");
 568         }
 569
 570         return($username);
 571 }
 572
 573 function bb_RemovePictureLinks($match) {
 574         $text = Cache::get($match[1]);
 575
 576         if(is_null($text)){
 577                 $ch = @curl_init($match[1]);
 578                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 579                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 580                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 581                 @curl_exec($ch);
 582                 $curl_info = @curl_getinfo($ch);
 583
 584                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 585                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
 586                 else {
 587                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
 588
 589                         // if its not a picture then look if its a page that contains a picture link
 590                         require_once("include/network.php");
 591
 592                         $body = fetch_url($match[1]);
 593
 594                         $doc = new DOMDocument();
 595                         @$doc->loadHTML($body);
 596                         $xpath = new DomXPath($doc);
 597                         $list = $xpath->query("//meta[@name]");
 598                         foreach ($list as $node) {
 599                                 $attr = array();
 600
 601                                 if ($node->attributes->length)
 602                                         foreach ($node->attributes as $attribute)
 603                                                 $attr[$attribute->name] = $attribute->value;
 604
 605                                 if (strtolower($attr["name"]) == "twitter:image")
 606                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
 607                         }
 608                 }
 609                 Cache::set($match[1],$text);
 610         }
 611         return($text);
 612 }
 613
 614 function bb_CleanPictureLinksSub($match) {
 615         $text = Cache::get($match[1]);
 616
 617         if(is_null($text)){
 618                 $ch = @curl_init($match[1]);
 619                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 620                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 621                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 622                 @curl_exec($ch);
 623                 $curl_info = @curl_getinfo($ch);
 624
 625                 // if its a link to a picture then embed this picture
 626                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 627                         $text = "[img]".$match[1]."[/img]";
 628                 else {
 629                         $text = "[img]".$match[2]."[/img]";
 630
 631                         // if its not a picture then look if its a page that contains a picture link
 632                         require_once("include/network.php");
 633
 634                         $body = fetch_url($match[1]);
 635
 636                         $doc = new DOMDocument();
 637                         @$doc->loadHTML($body);
 638                         $xpath = new DomXPath($doc);
 639                         $list = $xpath->query("//meta[@name]");
 640                         foreach ($list as $node) {
 641                                 $attr = array();
 642
 643                                 if ($node->attributes->length)
 644                                         foreach ($node->attributes as $attribute)
 645                                                 $attr[$attribute->name] = $attribute->value;
 646
 647                                 if (strtolower($attr["name"]) == "twitter:image")
 648                                         $text = "[img]".$attr["content"]."[/img]";
 649                         }
 650                 }
 651                 Cache::set($match[1],$text);
 652         }
 653         return($text);
 654 }
 655
 656 function bb_CleanPictureLinks($text) {
 657         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
 658         return ($text);
 659 }
 660
 661         // BBcode 2 HTML was written by WAY2WEB.net
 662         // extended to work with Mistpark/Friendica - Mike Macgirvin
 663
 664 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
 665
 666         $stamp1 = microtime(true);
 667
 668         $a = get_app();
 669
 670         // Hide all [noparse] contained bbtags by spacefying them
 671         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 672
 673         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 674         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 675         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 676
 677
 678         // Move all spaces out of the tags
 679         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 680         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 681
 682         // Extract the private images which use data urls since preg has issues with
 683         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 684         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 685
 686         $extracted = bb_extract_images($Text);
 687         $Text = $extracted['body'];
 688         $saved_image = $extracted['images'];
 689
 690         // If we find any event code, turn it into an event.
 691         // After we're finished processing the bbcode we'll
 692         // replace all of the event code with a reformatted version.
 693
 694         $ev = bbtoevent($Text);
 695
 696
 697         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 698         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 699
 700         $Text = str_replace("<", "&lt;", $Text);
 701         $Text = str_replace(">", "&gt;", $Text);
 702
 703         // remove some newlines before the general conversion
 704         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 705         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 706
 707         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 708         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 709
 710         // Rearrange shared links
 711         if (get_config("system", "rearrange_shared_links") AND (!$simplehtml OR $tryoembed))
 712                 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_rearrange_link",$Text);
 713
 714         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 715         if (!$tryoembed)
 716                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 717
 718         // Convert new line chars to html <br /> tags
 719
 720         // nlbr seems to be hopelessly messed up
 721         //      $Text = nl2br($Text);
 722
 723         // We'll emulate it.
 724
 725         $Text = trim($Text);
 726         $Text = str_replace("\r\n","\n", $Text);
 727
 728         // removing multiplicated newlines
 729         if (get_config("system", "remove_multiplicated_lines")) {
 730                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 731                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 732                 do {
 733                         $oldtext = $Text;
 734                         $Text = str_replace($search, $replace, $Text);
 735                 } while ($oldtext != $Text);
 736         }
 737
 738         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 739
 740         if($preserve_nl)
 741                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 742
 743
 744
 745         // Set up the parameters for a URL search string
 746         $URLSearchString = "^\[\]";
 747         // Set up the parameters for a MAIL search string
 748         $MAILSearchString = $URLSearchString;
 749
 750         // Remove all hashtag addresses
 751         if (!$tryoembed OR $simplehtml)
 752                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
 753
 754         // Bookmarks in red - will be converted to bookmarks in friendica
 755         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
 756         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
 757         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
 758                                 "[bookmark=$1]$2[/bookmark]", $Text);
 759
 760         if ($simplehtml == 2) {
 761                 $Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
 762                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
 763         }
 764
 765         if ($simplehtml == 5)
 766                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
 767
 768         // Perform URL Search
 769         if ($tryoembed)
 770                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 771
 772         if ($simplehtml == 5)
 773                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
 774         else
 775                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 776
 777         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 778         if (!$forplaintext)
 779                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
 780         else {
 781                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
 782                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
 783         }
 784
 785         if ($tryoembed)
 786                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 787
 788         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
 789         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 790         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 791
 792         // Red compatibility, though the link can't be authenticated on Friendica
 793         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 794
 795
 796         // we may need to restrict this further if it picks up too many strays
 797         // link acct:user@host to a webfinger profile redirector
 798
 799         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 800                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 801
 802         // Perform MAIL Search
 803         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 804         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 805
 806         // Check for bold text
 807         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 808
 809         // Check for Italics text
 810         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 811
 812         // Check for Underline text
 813         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 814
 815         // Check for strike-through text
 816         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 817
 818         // Check for over-line text
 819         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 820
 821         // Check for colored text
 822         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 823
 824         // Check for sized text
 825         // [size=50] --> font-size: 50px (with the unit).
 826         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 827         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 828
 829         // Check for centered text
 830         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 831
 832         // Check for list text
 833         $Text = str_replace("[*]", "<li>", $Text);
 834
 835         // Check for style sheet commands
 836         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 837
 838         // Check for CSS classes
 839         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 840
 841         // handle nested lists
 842         $endlessloop = 0;
 843
 844         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 845                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 846                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 847                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 848                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 849                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 850                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 851                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 852                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 853                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 854                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 855                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 856                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 857                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 858         }
 859
 860         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 861         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 862         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 863         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 864
 865         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 866         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 867
 868         $Text = str_replace('[hr]','<hr />', $Text);
 869
 870         // This is actually executed in prepare_body()
 871
 872         $Text = str_replace('[nosmile]','',$Text);
 873
 874         // Check for font change text
 875         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 876
 877         // Declare the format for [code] layout
 878
 879 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 880
 881         $CodeLayout = '<code>$1</code>';
 882         // Check for [code] text
 883         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 884
 885         // Declare the format for [spoiler] layout
 886         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 887
 888         // Check for [spoiler] text
 889         // handle nested quotes
 890         $endlessloop = 0;
 891         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 892                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 893
 894         // Check for [spoiler=Author] text
 895
 896         $t_wrote = t('$1 wrote:');
 897
 898         // handle nested quotes
 899         $endlessloop = 0;
 900         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 901                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 902                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 903                                      $Text);
 904
 905         // Declare the format for [quote] layout
 906         $QuoteLayout = '<blockquote>$1</blockquote>';
 907
 908         // Check for [quote] text
 909         // handle nested quotes
 910         $endlessloop = 0;
 911         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 912                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 913
 914         // Check for [quote=Author] text
 915
 916         $t_wrote = t('$1 wrote:');
 917
 918         // handle nested quotes
 919         $endlessloop = 0;
 920         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 921                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 922                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 923                                      $Text);
 924
 925         // [img=widthxheight]image source[/img]
 926         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 927         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 928         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 929
 930         // Images
 931         // [img]pathtoimage[/img]
 932         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 933         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 934
 935         // Shared content
 936         if (!$simplehtml)
 937                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 938         elseif ($simplehtml == 1)
 939                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 940         elseif (($simplehtml == 2) OR ($simplehtml == 5))
 941                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 942         elseif ($simplehtml == 3)
 943                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesDiaspora",$Text);
 944         elseif ($simplehtml == 4)
 945                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesForExport",$Text);
 946
 947         $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);
 948         $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 />', $Text);
 949         //$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 />', $Text);
 950
 951
 952         // Try to Oembed
 953         if ($tryoembed) {
 954                 $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);
 955                 $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);
 956
 957                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 958                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 959         } else {
 960                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
 961                                         '<a href="$1" target="_blank">$1</a>', $Text);
 962                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
 963                                         '<a href="$1" target="_blank">$1</a>', $Text);
 964         }
 965
 966         // html5 video and audio
 967
 968
 969         if ($tryoembed)
 970                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 971         else
 972                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 973
 974         // Youtube extensions
 975         if ($tryoembed) {
 976                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 977                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 978                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 979         }
 980
 981         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 982         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 983         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 984
 985         if ($tryoembed)
 986                 $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);
 987         else
 988                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
 989                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
 990
 991         if ($tryoembed) {
 992                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 993                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 994         }
 995
 996         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 997         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 998
 999         if ($tryoembed)
1000                 $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);
1001         else
1002                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1003                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1004
1005 //      $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);
1006
1007
1008         // oembed tag
1009         $Text = oembed_bbcode2html($Text);
1010
1011         // Avoid triple linefeeds through oembed
1012         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1013
1014         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1015         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1016         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1017         // start which is always required). Allow desc with a missing summary for compatibility.
1018
1019         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1020                 $sub = format_event_html($ev);
1021
1022                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1023                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1024                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1025                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1026                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1027                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1028         }
1029
1030         // Unhide all [noparse] contained bbtags unspacefying them
1031         // and triming the [noparse] tag.
1032
1033         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1034         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1035         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1036
1037
1038         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1039         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1040         $Text = preg_replace('/\&quot\;/','"',$Text);
1041
1042         // fix any escaped ampersands that may have been converted into links
1043         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1044         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1045
1046         if($saved_image)
1047                 $Text = bb_replace_images($Text, $saved_image);
1048
1049         // Clean up the HTML by loading and saving the HTML with the DOM
1050         // Only do it when it has to be done - for performance reasons
1051         // Update: Now it is done every time - since bad structured html can break a whole page
1052         //if (!$tryoembed) {
1053         //      $doc = new DOMDocument();
1054         //      $doc->preserveWhiteSpace = false;
1055
1056         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1057
1058         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1059         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
1060
1061         //      $Text = $doc->saveHTML();
1062         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
1063
1064         //      $Text = str_replace('<br></li>','</li>', $Text);
1065
1066         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1067         //}
1068
1069         // Clean up some useless linebreaks in lists
1070         //$Text = str_replace('<br /><ul','<ul ', $Text);
1071         //$Text = str_replace('</ul><br />','</ul>', $Text);
1072         //$Text = str_replace('</li><br />','</li>', $Text);
1073         //$Text = str_replace('<br /><li>','<li>', $Text);
1074         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1075
1076         // Remove all hashtag addresses
1077 /*      if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1078                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1079                 $Text = preg_replace($pattern, '#$2', $Text);
1080         }
1081 */
1082         call_hooks('bbcode',$Text);
1083
1084         $a->save_timestamp($stamp1, "parser");
1085
1086         return $Text;
1087 }
1088 ?>