include/bbcode.php

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