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 .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 458         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
 459         $headline .= ":</b></span></div>";
 460
 461         $text = trim($match[1]);
 462
 463         if ($text != "")
 464                 $text .= "<hr />";
 465
 466         $text .= $headline.'<blockquote class="shared_content">'.trim($match[3])."</blockquote><br />";
 467
 468         return($text);
 469 }
 470
 471 // Still in use?
 472 function bb_ShareAttributesSimple($match) {
 473
 474         $attributes = $match[1];
 475
 476         $author = "";
 477         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 478         if ($matches[1] != "")
 479                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 480
 481         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 482         if ($matches[1] != "")
 483                 $author = $matches[1];
 484
 485         $profile = "";
 486         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 487         if ($matches[1] != "")
 488                 $profile = $matches[1];
 489
 490         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 491         if ($matches[1] != "")
 492                 $profile = $matches[1];
 493
 494         $userid = GetProfileUsername($profile,$author);
 495
 496         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 497
 498         return($text);
 499 }
 500
 501 // Used for text exports (Twitter, Facebook, Google+)
 502 function bb_ShareAttributesSimple2($match) {
 503
 504         $attributes = $match[1];
 505
 506         $author = "";
 507         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 508         if ($matches[1] != "")
 509                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 510
 511         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 512         if ($matches[1] != "")
 513                 $author = $matches[1];
 514
 515         $profile = "";
 516         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 517         if ($matches[1] != "")
 518                 $profile = $matches[1];
 519
 520         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 521         if ($matches[1] != "")
 522                 $profile = $matches[1];
 523
 524         $userid = GetProfileUsername($profile,$author);
 525
 526         //$text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 527         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid.": <br />".$match[2];
 528
 529         return($text);
 530 }
 531
 532 function GetProfileUsername($profile, $username) {
 533
 534         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 535         if ($twitter != $profile)
 536                 return($username." (".$twitter.")");
 537
 538         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
 539         if ($gplus != $profile)
 540                 return($username." (".$gplus.")");
 541
 542         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 543         if ($friendica != $profile)
 544                 return($username." (".$friendica.")");
 545
 546         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 547         if ($diaspora != $profile)
 548                 return($username." (".$diaspora.")");
 549
 550         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 551         if ($StatusnetHost != $profile) {
 552                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 553                 if ($StatusnetUser != $profile) {
 554                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 555                         $user = json_decode($UserData);
 556                         if ($user)
 557                                 return($username." (".$user->screen_name."@".$StatusnetHost.")");
 558                 }
 559         }
 560
 561         // pumpio (http://host.name/user)
 562         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
 563         if ($rest == "") {
 564                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "*$2@$1*", $profile);
 565                 if ($pumpio != $profile)
 566                         return($username." (".$pumpio.")");
 567         }
 568
 569         return($username);
 570 }
 571
 572 function bb_RemovePictureLinks($match) {
 573         $text = Cache::get($match[1]);
 574
 575         if(is_null($text)){
 576                 $ch = @curl_init($match[1]);
 577                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 578                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 579                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 580                 @curl_exec($ch);
 581                 $curl_info = @curl_getinfo($ch);
 582
 583                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 584                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
 585                 else {
 586                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
 587
 588                         // if its not a picture then look if its a page that contains a picture link
 589                         require_once("include/network.php");
 590
 591                         $body = fetch_url($match[1]);
 592
 593                         $doc = new DOMDocument();
 594                         @$doc->loadHTML($body);
 595                         $xpath = new DomXPath($doc);
 596                         $list = $xpath->query("//meta[@name]");
 597                         foreach ($list as $node) {
 598                                 $attr = array();
 599
 600                                 if ($node->attributes->length)
 601                                         foreach ($node->attributes as $attribute)
 602                                                 $attr[$attribute->name] = $attribute->value;
 603
 604                                 if (strtolower($attr["name"]) == "twitter:image")
 605                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
 606                         }
 607                 }
 608                 Cache::set($match[1],$text);
 609         }
 610         return($text);
 611 }
 612
 613 function bb_CleanPictureLinksSub($match) {
 614         $text = Cache::get($match[1]);
 615
 616         if(is_null($text)){
 617                 $ch = @curl_init($match[1]);
 618                 @curl_setopt($ch, CURLOPT_NOBODY, true);
 619                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 620                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
 621                 @curl_exec($ch);
 622                 $curl_info = @curl_getinfo($ch);
 623
 624                 // if its a link to a picture then embed this picture
 625                 if (substr($curl_info["content_type"], 0, 6) == "image/")
 626                         $text = "[img]".$match[1]."[/img]";
 627                 else {
 628                         $text = "[img]".$match[2]."[/img]";
 629
 630                         // if its not a picture then look if its a page that contains a picture link
 631                         require_once("include/network.php");
 632
 633                         $body = fetch_url($match[1]);
 634
 635                         $doc = new DOMDocument();
 636                         @$doc->loadHTML($body);
 637                         $xpath = new DomXPath($doc);
 638                         $list = $xpath->query("//meta[@name]");
 639                         foreach ($list as $node) {
 640                                 $attr = array();
 641
 642                                 if ($node->attributes->length)
 643                                         foreach ($node->attributes as $attribute)
 644                                                 $attr[$attribute->name] = $attribute->value;
 645
 646                                 if (strtolower($attr["name"]) == "twitter:image")
 647                                         $text = "[img]".$attr["content"]."[/img]";
 648                         }
 649                 }
 650                 Cache::set($match[1],$text);
 651         }
 652         return($text);
 653 }
 654
 655 function bb_CleanPictureLinks($text) {
 656         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
 657         return ($text);
 658 }
 659
 660         // BBcode 2 HTML was written by WAY2WEB.net
 661         // extended to work with Mistpark/Friendica - Mike Macgirvin
 662
 663 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
 664
 665         $stamp1 = microtime(true);
 666
 667         $a = get_app();
 668
 669         // Hide all [noparse] contained bbtags by spacefying them
 670         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 671
 672         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 673         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 674         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 675
 676
 677         // Move all spaces out of the tags
 678         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 679         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 680
 681         // Extract the private images which use data urls since preg has issues with
 682         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 683         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 684
 685         $extracted = bb_extract_images($Text);
 686         $Text = $extracted['body'];
 687         $saved_image = $extracted['images'];
 688
 689         // If we find any event code, turn it into an event.
 690         // After we're finished processing the bbcode we'll
 691         // replace all of the event code with a reformatted version.
 692
 693         $ev = bbtoevent($Text);
 694
 695
 696         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 697         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 698
 699         $Text = str_replace("<", "&lt;", $Text);
 700         $Text = str_replace(">", "&gt;", $Text);
 701
 702         // remove some newlines before the general conversion
 703         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 704         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 705
 706         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 707         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 708
 709         // Rearrange shared links
 710         if (get_config("system", "rearrange_shared_links") AND (!$simplehtml OR $tryoembed))
 711                 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_rearrange_link",$Text);
 712
 713         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 714         if (!$tryoembed)
 715                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 716
 717         // Convert new line chars to html <br /> tags
 718
 719         // nlbr seems to be hopelessly messed up
 720         //      $Text = nl2br($Text);
 721
 722         // We'll emulate it.
 723
 724         $Text = trim($Text);
 725         $Text = str_replace("\r\n","\n", $Text);
 726
 727         // removing multiplicated newlines
 728         if (get_config("system", "remove_multiplicated_lines")) {
 729                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 730                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 731                 do {
 732                         $oldtext = $Text;
 733                         $Text = str_replace($search, $replace, $Text);
 734                 } while ($oldtext != $Text);
 735         }
 736
 737         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 738
 739         if($preserve_nl)
 740                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 741
 742
 743
 744         // Set up the parameters for a URL search string
 745         $URLSearchString = "^\[\]";
 746         // Set up the parameters for a MAIL search string
 747         $MAILSearchString = $URLSearchString;
 748
 749         // Remove all hashtag addresses
 750         if (!$tryoembed OR $simplehtml)
 751                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
 752
 753         // Bookmarks in red - will be converted to bookmarks in friendica
 754         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
 755         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
 756         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
 757                                 "[bookmark=$1]$2[/bookmark]", $Text);
 758
 759         if ($simplehtml == 2) {
 760                 $Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
 761                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
 762         }
 763
 764         if ($simplehtml == 5)
 765                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
 766
 767         // Perform URL Search
 768         if ($tryoembed)
 769                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 770
 771         if ($simplehtml == 5)
 772                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
 773         else
 774                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 775
 776         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
 777         if (!$forplaintext)
 778                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
 779         else {
 780                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
 781                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
 782         }
 783
 784         if ($tryoembed)
 785                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 786
 787         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
 788         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 789         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 790
 791         // Red compatibility, though the link can't be authenticated on Friendica
 792         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 793
 794
 795         // we may need to restrict this further if it picks up too many strays
 796         // link acct:user@host to a webfinger profile redirector
 797
 798         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 799                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 800
 801         // Perform MAIL Search
 802         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 803         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 804
 805         // Check for bold text
 806         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 807
 808         // Check for Italics text
 809         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 810
 811         // Check for Underline text
 812         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 813
 814         // Check for strike-through text
 815         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 816
 817         // Check for over-line text
 818         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 819
 820         // Check for colored text
 821         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 822
 823         // Check for sized text
 824         // [size=50] --> font-size: 50px (with the unit).
 825         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 826         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 827
 828         // Check for centered text
 829         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 830
 831         // Check for list text
 832         $Text = str_replace("[*]", "<li>", $Text);
 833
 834         // Check for style sheet commands
 835         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 836
 837         // Check for CSS classes
 838         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 839
 840         // handle nested lists
 841         $endlessloop = 0;
 842
 843         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 844                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 845                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 846                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 847                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 848                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 849                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 850                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 851                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 852                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 853                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 854                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 855                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 856                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 857         }
 858
 859         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 860         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 861         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 862         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 863
 864         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 865         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 866
 867         $Text = str_replace('[hr]','<hr />', $Text);
 868
 869         // This is actually executed in prepare_body()
 870
 871         $Text = str_replace('[nosmile]','',$Text);
 872
 873         // Check for font change text
 874         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 875
 876         // Declare the format for [code] layout
 877
 878 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 879
 880         $CodeLayout = '<code>$1</code>';
 881         // Check for [code] text
 882         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 883
 884         // Declare the format for [spoiler] layout
 885         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 886
 887         // Check for [spoiler] text
 888         // handle nested quotes
 889         $endlessloop = 0;
 890         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 891                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 892
 893         // Check for [spoiler=Author] text
 894
 895         $t_wrote = t('$1 wrote:');
 896
 897         // handle nested quotes
 898         $endlessloop = 0;
 899         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 900                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 901                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 902                                      $Text);
 903
 904         // Declare the format for [quote] layout
 905         $QuoteLayout = '<blockquote>$1</blockquote>';
 906
 907         // Check for [quote] text
 908         // handle nested quotes
 909         $endlessloop = 0;
 910         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 911                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 912
 913         // Check for [quote=Author] text
 914
 915         $t_wrote = t('$1 wrote:');
 916
 917         // handle nested quotes
 918         $endlessloop = 0;
 919         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 920                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 921                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 922                                      $Text);
 923
 924         // [img=widthxheight]image source[/img]
 925         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 926         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 927         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 928
 929         // Images
 930         // [img]pathtoimage[/img]
 931         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 932         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 933
 934         // Shared content
 935         if (!$simplehtml)
 936                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 937         elseif ($simplehtml == 1)
 938                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 939         elseif (($simplehtml == 2) OR ($simplehtml == 5))
 940                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 941         elseif ($simplehtml == 3)
 942                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesDiaspora",$Text);
 943         elseif ($simplehtml == 4)
 944                 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesForExport",$Text);
 945
 946         $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);
 947         $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 />', $Text);
 948         //$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 />', $Text);
 949
 950
 951         // Try to Oembed
 952         if ($tryoembed) {
 953                 $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);
 954                 $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);
 955
 956                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 957                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 958         } else {
 959                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
 960                                         '<a href="$1" target="_blank">$1</a>', $Text);
 961                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
 962                                         '<a href="$1" target="_blank">$1</a>', $Text);
 963         }
 964
 965         // html5 video and audio
 966
 967
 968         if ($tryoembed)
 969                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 970         else
 971                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 972
 973         // Youtube extensions
 974         if ($tryoembed) {
 975                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 976                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 977                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 978         }
 979
 980         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 981         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 982         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 983
 984         if ($tryoembed)
 985                 $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);
 986         else
 987                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
 988                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
 989
 990         if ($tryoembed) {
 991                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 992                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 993         }
 994
 995         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 996         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 997
 998         if ($tryoembed)
 999                 $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);
1000         else
1001                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1002                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1003
1004 //      $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);
1005
1006
1007         // oembed tag
1008         $Text = oembed_bbcode2html($Text);
1009
1010         // Avoid triple linefeeds through oembed
1011         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1012
1013         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1014         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1015         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1016         // start which is always required). Allow desc with a missing summary for compatibility.
1017
1018         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1019                 $sub = format_event_html($ev);
1020
1021                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1022                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1023                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1024                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1025                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1026                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1027         }
1028
1029         // Unhide all [noparse] contained bbtags unspacefying them
1030         // and triming the [noparse] tag.
1031
1032         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1033         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1034         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1035
1036
1037         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1038         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1039         $Text = preg_replace('/\&quot\;/','"',$Text);
1040
1041         // fix any escaped ampersands that may have been converted into links
1042         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1043         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1044
1045         if($saved_image)
1046                 $Text = bb_replace_images($Text, $saved_image);
1047
1048         // Clean up the HTML by loading and saving the HTML with the DOM
1049         // Only do it when it has to be done - for performance reasons
1050         // Update: Now it is done every time - since bad structured html can break a whole page
1051         //if (!$tryoembed) {
1052         //      $doc = new DOMDocument();
1053         //      $doc->preserveWhiteSpace = false;
1054
1055         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1056
1057         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1058         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
1059
1060         //      $Text = $doc->saveHTML();
1061         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
1062
1063         //      $Text = str_replace('<br></li>','</li>', $Text);
1064
1065         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1066         //}
1067
1068         // Clean up some useless linebreaks in lists
1069         //$Text = str_replace('<br /><ul','<ul ', $Text);
1070         //$Text = str_replace('</ul><br />','</ul>', $Text);
1071         //$Text = str_replace('</li><br />','</li>', $Text);
1072         //$Text = str_replace('<br /><li>','<li>', $Text);
1073         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1074
1075         // Remove all hashtag addresses
1076 /*      if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1077                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1078                 $Text = preg_replace($pattern, '#$2', $Text);
1079         }
1080 */
1081         call_hooks('bbcode',$Text);
1082
1083         $a->save_timestamp($stamp1, "parser");
1084
1085         return $Text;
1086 }
1087 ?>