include/bbcode.php

   1 <?php
   2
   3 require_once("include/oembed.php");
   4 require_once('include/event.php');
   5
   6 function bb_cleanstyle($st) {
   7   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
   8 }
   9
  10 function bb_cleanclass($st) {
  11   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
  12 }
  13
  14 function cleancss($input) {
  15
  16         $cleaned = "";
  17
  18         $input = strtolower($input);
  19
  20         for ($i = 0; $i < strlen($input); $i++) {
  21                 $char = substr($input, $i, 1);
  22
  23                 if (($char >= "a") and ($char <= "z"))
  24                         $cleaned .= $char;
  25
  26                 if (!(strpos(" #;:0123456789-_", $char) === false))
  27                         $cleaned .= $char;
  28         }
  29
  30         return($cleaned);
  31 }
  32
  33 function stripcode_br_cb($s) {
  34         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
  35 }
  36
  37 function tryoembed($match){
  38         $url = ((count($match)==2)?$match[1]:$match[2]);
  39
  40         // Always embed the SSL version
  41         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
  42                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
  43
  44         //logger("tryoembed: $url");
  45
  46         $o = oembed_fetch_url($url);
  47
  48         //echo "<pre>"; var_dump($match, $url, $o); killme();
  49
  50         if ($o->type=="error") return $match[0];
  51
  52         $html = oembed_format_object($o);
  53         return $html; //oembed_iframe($html,$o->width,$o->height);
  54
  55 }
  56
  57 // [noparse][i]italic[/i][/noparse] turns into
  58 // [noparse][ i ]italic[ /i ][/noparse],
  59 // to hide them from parser.
  60
  61 function bb_spacefy($st) {
  62   $whole_match = $st[0];
  63   $captured = $st[1];
  64   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
  65   $new_str = str_replace($captured, $spacefied, $whole_match);
  66   return $new_str;
  67 }
  68
  69 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
  70 // now turns back and the [noparse] tags are trimed
  71 // returning [i]italic[/i]
  72
  73 function bb_unspacefy_and_trim($st) {
  74   $whole_match = $st[0];
  75   $captured = $st[1];
  76   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
  77   return $unspacefied;
  78 }
  79
  80 function bb_find_open_close($s, $open, $close, $occurance = 1) {
  81
  82         if($occurance < 1)
  83                 $occurance = 1;
  84
  85         $start_pos = -1;
  86         for($i = 1; $i <= $occurance; $i++) {
  87                 if( $start_pos !== false)
  88                         $start_pos = strpos($s, $open, $start_pos + 1);
  89         }
  90
  91         if( $start_pos === false)
  92                 return false;
  93
  94         $end_pos = strpos($s, $close, $start_pos);
  95
  96         if( $end_pos === false)
  97                 return false;
  98
  99         $res = array( 'start' => $start_pos, 'end' => $end_pos );
 100
 101         return $res;
 102 }
 103
 104 function get_bb_tag_pos($s, $name, $occurance = 1) {
 105
 106         if($occurance < 1)
 107                 $occurance = 1;
 108
 109         $start_open = -1;
 110         for($i = 1; $i <= $occurance; $i++) {
 111                 if( $start_open !== false)
 112                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 113         }
 114
 115         if( $start_open === false)
 116                 return false;
 117
 118         $start_equal = strpos($s, '=', $start_open);
 119         $start_close = strpos($s, ']', $start_open);
 120
 121         if( $start_close === false)
 122                 return false;
 123
 124         $start_close++;
 125
 126         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 127
 128         if( $end_open === false)
 129                 return false;
 130
 131         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 132                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 133         if( $start_equal !== false)
 134                 $res['start']['equal'] = $start_equal + 1;
 135
 136         return $res;
 137 }
 138
 139 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 140
 141         $string = $s;
 142
 143         $occurance = 1;
 144         $pos = get_bb_tag_pos($string, $name, $occurance);
 145         while($pos !== false && $occurance < 1000) {
 146
 147                 $start = substr($string, 0, $pos['start']['open']);
 148                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 149                 $end = substr($string, $pos['end']['close']);
 150                 if($end === false)
 151                         $end = '';
 152
 153                 $subject = preg_replace($pattern, $replace, $subject);
 154                 $string = $start . $subject . $end;
 155
 156                 $occurance++;
 157                 $pos = get_bb_tag_pos($string, $name, $occurance);
 158         }
 159
 160         return $string;
 161 }
 162
 163 if(! function_exists('bb_extract_images')) {
 164 function bb_extract_images($body) {
 165
 166         $saved_image = array();
 167         $orig_body = $body;
 168         $new_body = '';
 169
 170         $cnt = 0;
 171         $img_start = strpos($orig_body, '[img');
 172         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 173         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 174         while(($img_st_close !== false) && ($img_end !== false)) {
 175
 176                 $img_st_close++; // make it point to AFTER the closing bracket
 177                 $img_end += $img_start;
 178
 179                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 180                         // This is an embedded image
 181
 182                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 183                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 184
 185                         $cnt++;
 186                 }
 187                 else
 188                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 189
 190                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 191
 192                 if($orig_body === false) // in case the body ends on a closing image tag
 193                         $orig_body = '';
 194
 195                 $img_start = strpos($orig_body, '[img');
 196                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 197                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 198         }
 199
 200         $new_body = $new_body . $orig_body;
 201
 202         return array('body' => $new_body, 'images' => $saved_image);
 203 }}
 204
 205 if(! function_exists('bb_replace_images')) {
 206 function bb_replace_images($body, $images) {
 207
 208         $newbody = $body;
 209
 210         $cnt = 0;
 211         foreach($images as $image) {
 212                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 213                 // it loops over the array starting from the first element and going sequentially
 214                 // to the last element
 215                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 216                 $cnt++;
 217         }
 218
 219         return $newbody;
 220 }}
 221
 222 function bb_ShareAttributes($match) {
 223
 224         $attributes = $match[1];
 225
 226         $author = "";
 227         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 228         if ($matches[1] != "")
 229                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 230
 231         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 232         if ($matches[1] != "")
 233                 $author = $matches[1];
 234
 235         $link = "";
 236         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 237         if ($matches[1] != "")
 238                 $link = $matches[1];
 239
 240         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 241         if ($matches[1] != "")
 242                 $link = $matches[1];
 243
 244         $avatar = "";
 245         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 246         if ($matches[1] != "")
 247                 $avatar = $matches[1];
 248
 249         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 250         if ($matches[1] != "")
 251                 $avatar = $matches[1];
 252
 253         $profile = "";
 254         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 255         if ($matches[1] != "")
 256                 $profile = $matches[1];
 257
 258         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 259         if ($matches[1] != "")
 260                 $profile = $matches[1];
 261
 262         $posted = "";
 263
 264         $itemcache = get_config("system","itemcache");
 265
 266         // relative dates only make sense when they aren't cached
 267         if ($itemcache == "") {
 268                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 269                 if ($matches[1] != "")
 270                         $posted = $matches[1];
 271
 272                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 273                 if ($matches[1] != "")
 274                         $posted = $matches[1];
 275
 276                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 277         }
 278
 279         $headline = '<div class="shared_header">';
 280         //$headline = '<br /><div class="shared_header">';
 281
 282         if ($avatar != "")
 283                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 284
 285         $headline .= sprintf(t('<span><a href="%s" target="external-link">%s</a> wrote the following <a href="%s" target="external-link">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 286
 287         $headline .= "</div>";
 288
 289         $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
 290
 291         return($text);
 292 }
 293
 294 function bb_ShareAttributesSimple($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         $profile = "";
 308         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 309         if ($matches[1] != "")
 310                 $profile = $matches[1];
 311
 312         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 313         if ($matches[1] != "")
 314                 $profile = $matches[1];
 315
 316         $userid = GetProfileUsername($profile,$author);
 317
 318         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 319
 320         return($text);
 321 }
 322 function bb_ShareAttributesSimple2($match) {
 323
 324         $attributes = $match[1];
 325
 326         $author = "";
 327         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 328         if ($matches[1] != "")
 329                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 330
 331         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 332         if ($matches[1] != "")
 333                 $author = $matches[1];
 334
 335         $profile = "";
 336         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 337         if ($matches[1] != "")
 338                 $profile = $matches[1];
 339
 340         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 341         if ($matches[1] != "")
 342                 $profile = $matches[1];
 343
 344         $userid = GetProfileUsername($profile,$author);
 345
 346         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 347
 348         return($text);
 349 }
 350
 351 function GetProfileUsername($profile, $username) {
 352         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 353         if ($friendica != $profile)
 354                 return($friendica." (".$username.")");
 355
 356         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 357         if ($diaspora != $profile)
 358                 return($diaspora." (".$username.")");
 359
 360         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
 361         if ($twitter != $profile)
 362                 return($twitter." (".$username.")");
 363
 364         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 365         if ($StatusnetHost != $profile) {
 366                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 367                 if ($StatusnetUser != $profile) {
 368                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 369                         $user = json_decode($UserData);
 370                         if ($user)
 371                                 return($user->screen_name."@".$StatusnetHost." (".$username.")");
 372                 }
 373         }
 374
 375         return($username);
 376 }
 377
 378         // BBcode 2 HTML was written by WAY2WEB.net
 379         // extended to work with Mistpark/Friendica - Mike Macgirvin
 380
 381 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false) {
 382
 383         $stamp1 = microtime(true);
 384
 385         $a = get_app();
 386
 387         // Hide all [noparse] contained bbtags by spacefying them
 388         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 389
 390         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 391         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 392         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 393
 394
 395         // Move all spaces out of the tags
 396         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 397         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 398
 399         // Extract the private images which use data url's since preg has issues with
 400         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 401         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 402
 403         $extracted = bb_extract_images($Text);
 404         $Text = $extracted['body'];
 405         $saved_image = $extracted['images'];
 406
 407         // If we find any event code, turn it into an event.
 408         // After we're finished processing the bbcode we'll
 409         // replace all of the event code with a reformatted version.
 410
 411         $ev = bbtoevent($Text);
 412
 413
 414         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 415         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 416
 417         $Text = str_replace("<", "&lt;", $Text);
 418         $Text = str_replace(">", "&gt;", $Text);
 419
 420         // remove some newlines before the general conversion
 421         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 422         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 423
 424         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 425         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 426
 427         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 428         if (!$tryoembed)
 429                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 430
 431         // Convert new line chars to html <br /> tags
 432
 433         // nlbr seems to be hopelessly messed up
 434         //      $Text = nl2br($Text);
 435
 436         // We'll emulate it.
 437
 438         $Text = trim($Text);
 439         $Text = str_replace("\r\n","\n", $Text);
 440
 441         // removing multiplicated newlines
 442         if (get_config("system", "remove_multiplicated_lines")) {
 443                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 444                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 445                 do {
 446                         $oldtext = $Text;
 447                         $Text = str_replace($search, $replace, $Text);
 448                 } while ($oldtext != $Text);
 449         }
 450
 451         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 452
 453         if($preserve_nl)
 454                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 455
 456
 457
 458         // Set up the parameters for a URL search string
 459         $URLSearchString = "^\[\]";
 460         // Set up the parameters for a MAIL search string
 461         $MAILSearchString = $URLSearchString;
 462
 463
 464         // Perform URL Search
 465
 466         $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
 467
 468         if ($tryoembed)
 469                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 470
 471         $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 472
 473         if ($tryoembed)
 474                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 475
 476         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
 477         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 478         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 479
 480         // Red compatibility, though the link can't be authenticated on Friendica
 481         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 482
 483
 484         // we may need to restrict this further if it picks up too many strays
 485         // link acct:user@host to a webfinger profile redirector
 486
 487         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 488                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 489
 490         // Perform MAIL Search
 491         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 492         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 493
 494         // Check for bold text
 495         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 496
 497         // Check for Italics text
 498         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 499
 500         // Check for Underline text
 501         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 502
 503         // Check for strike-through text
 504         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 505
 506         // Check for over-line text
 507         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 508
 509         // Check for colored text
 510         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 511
 512         // Check for sized text
 513         // [size=50] --> font-size: 50px (with the unit).
 514         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 515         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 516
 517         // Check for centered text
 518         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 519
 520         // Check for list text
 521         $Text = str_replace("[*]", "<li>", $Text);
 522
 523         // Check for style sheet commands
 524         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 525
 526         // Check for CSS classes
 527         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 528
 529         // handle nested lists
 530         $endlessloop = 0;
 531
 532         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 533                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 534                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 535                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 536                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 537                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 538                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 539                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 540                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 541                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 542                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 543                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 544                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 545                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 546         }
 547
 548         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 549         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 550         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 551         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 552
 553         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 554         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 555
 556         $Text = str_replace('[hr]','<hr />', $Text);
 557
 558         // This is actually executed in prepare_body()
 559
 560         $Text = str_replace('[nosmile]','',$Text);
 561
 562         // Check for font change text
 563         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 564
 565         // Declare the format for [code] layout
 566
 567 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 568
 569         $CodeLayout = '<code>$1</code>';
 570         // Check for [code] text
 571         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 572
 573         // Declare the format for [spoiler] layout
 574         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 575
 576         // Check for [spoiler] text
 577         // handle nested quotes
 578         $endlessloop = 0;
 579         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 580                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 581
 582         // Check for [spoiler=Author] text
 583
 584         $t_wrote = t('$1 wrote:');
 585
 586         // handle nested quotes
 587         $endlessloop = 0;
 588         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 589                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 590                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 591                                      $Text);
 592
 593         // Declare the format for [quote] layout
 594         $QuoteLayout = '<blockquote>$1</blockquote>';
 595
 596         // Check for [quote] text
 597         // handle nested quotes
 598         $endlessloop = 0;
 599         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 600                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 601
 602         // Check for [quote=Author] text
 603
 604         $t_wrote = t('$1 wrote:');
 605
 606         // handle nested quotes
 607         $endlessloop = 0;
 608         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 609                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 610                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 611                                      $Text);
 612
 613         // [img=widthxheight]image source[/img]
 614         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 615         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 616         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 617
 618         // Images
 619         // [img]pathtoimage[/img]
 620         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 621         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 622
 623         // Shared content
 624         if (!$simplehtml)
 625                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 626         elseif ($simplehtml == 1)
 627                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 628         elseif ($simplehtml == 2)
 629                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 630
 631         $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);
 632         $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 />', $Text);
 633         //$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 />', $Text);
 634
 635
 636         // Try to Oembed
 637         if ($tryoembed) {
 638                 $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);
 639                 $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);
 640
 641                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 642                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 643         } else {
 644                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
 645                                         '<a href="$1" target="external-link">$1</a>', $Text);
 646                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
 647                                         '<a href="$1" target="external-link">$1</a>', $Text);
 648         }
 649
 650         // html5 video and audio
 651
 652
 653         if ($tryoembed)
 654                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 655         else
 656                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 657
 658         // Youtube extensions
 659         if ($tryoembed) {
 660                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 661                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 662                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 663         }
 664
 665         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 666         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 667         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 668
 669         if ($tryoembed)
 670                 $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);
 671         else
 672                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
 673                                         '<a href="https://www.youtube.com/watch?v=$1" target="external-link">https://www.youtube.com/watch?v=$1</a>', $Text);
 674
 675         if ($tryoembed) {
 676                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 677                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 678         }
 679
 680         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 681         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 682
 683         if ($tryoembed)
 684                 $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);
 685         else
 686                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
 687                                         '<a href="https://vimeo.com/$1" target="external-link">https://vimeo.com/$1</a>', $Text);
 688
 689 //      $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);
 690
 691
 692         // oembed tag
 693         $Text = oembed_bbcode2html($Text);
 694
 695         // Avoid triple linefeeds through oembed
 696         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
 697
 698         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 699         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
 700         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
 701         // start which is always required). Allow desc with a missing summary for compatibility.
 702
 703         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
 704                 $sub = format_event_html($ev);
 705
 706                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
 707                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
 708                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
 709                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
 710                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
 711                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
 712         }
 713
 714         // Unhide all [noparse] contained bbtags unspacefying them
 715         // and triming the [noparse] tag.
 716
 717         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
 718         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
 719         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
 720
 721
 722         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
 723         $Text = preg_replace('/\&\#039\;/','\'',$Text);
 724         $Text = preg_replace('/\&quot\;/','"',$Text);
 725
 726         // fix any escaped ampersands that may have been converted into links
 727         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
 728         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
 729
 730         if($saved_image)
 731                 $Text = bb_replace_images($Text, $saved_image);
 732
 733         // Clean up the HTML by loading and saving the HTML with the DOM
 734         // Only do it when it has to be done - for performance reasons
 735         // Update: Now it is done every time - since bad structured html can break a whole page
 736         //if (!$tryoembed) {
 737         //      $doc = new DOMDocument();
 738         //      $doc->preserveWhiteSpace = false;
 739
 740         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
 741
 742         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
 743         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
 744
 745         //      $Text = $doc->saveHTML();
 746         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
 747
 748         //      $Text = str_replace('<br></li>','</li>', $Text);
 749
 750         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
 751         //}
 752
 753         // Clean up some useless linebreaks in lists
 754         //$Text = str_replace('<br /><ul','<ul ', $Text);
 755         //$Text = str_replace('</ul><br />','</ul>', $Text);
 756         //$Text = str_replace('</li><br />','</li>', $Text);
 757         //$Text = str_replace('<br /><li>','<li>', $Text);
 758         //      $Text = str_replace('<br /><ul','<ul ', $Text);
 759
 760         // Remove all hashtag addresses
 761         if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
 762                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
 763                 $Text = preg_replace($pattern, '#$2', $Text);
 764         }
 765
 766         call_hooks('bbcode',$Text);
 767
 768         $a->save_timestamp($stamp1, "parser");
 769
 770         return $Text;
 771 }