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("http://www.youtube.com/", "https://www.youtube.com/", $url);
  42
  43         //logger("tryoembed: $url");
  44
  45         $o = oembed_fetch_url($url);
  46
  47         //echo "<pre>"; var_dump($match, $url, $o); killme();
  48
  49         if ($o->type=="error") return $match[0];
  50
  51         $html = oembed_format_object($o);
  52         return $html; //oembed_iframe($html,$o->width,$o->height);
  53
  54 }
  55
  56 // [noparse][i]italic[/i][/noparse] turns into
  57 // [noparse][ i ]italic[ /i ][/noparse],
  58 // to hide them from parser.
  59
  60 function bb_spacefy($st) {
  61   $whole_match = $st[0];
  62   $captured = $st[1];
  63   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
  64   $new_str = str_replace($captured, $spacefied, $whole_match);
  65   return $new_str;
  66 }
  67
  68 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
  69 // now turns back and the [noparse] tags are trimed
  70 // returning [i]italic[/i]
  71
  72 function bb_unspacefy_and_trim($st) {
  73   $whole_match = $st[0];
  74   $captured = $st[1];
  75   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
  76   return $unspacefied;
  77 }
  78
  79 function bb_find_open_close($s, $open, $close, $occurance = 1) {
  80
  81         if($occurance < 1)
  82                 $occurance = 1;
  83
  84         $start_pos = -1;
  85         for($i = 1; $i <= $occurance; $i++) {
  86                 if( $start_pos !== false)
  87                         $start_pos = strpos($s, $open, $start_pos + 1);
  88         }
  89
  90         if( $start_pos === false)
  91                 return false;
  92
  93         $end_pos = strpos($s, $close, $start_pos);
  94
  95         if( $end_pos === false)
  96                 return false;
  97
  98         $res = array( 'start' => $start_pos, 'end' => $end_pos );
  99
 100         return $res;
 101 }
 102
 103 function get_bb_tag_pos($s, $name, $occurance = 1) {
 104
 105         if($occurance < 1)
 106                 $occurance = 1;
 107
 108         $start_open = -1;
 109         for($i = 1; $i <= $occurance; $i++) {
 110                 if( $start_open !== false)
 111                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 112         }
 113
 114         if( $start_open === false)
 115                 return false;
 116
 117         $start_equal = strpos($s, '=', $start_open);
 118         $start_close = strpos($s, ']', $start_open);
 119
 120         if( $start_close === false)
 121                 return false;
 122
 123         $start_close++;
 124
 125         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 126
 127         if( $end_open === false)
 128                 return false;
 129
 130         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 131                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 132         if( $start_equal !== false)
 133                 $res['start']['equal'] = $start_equal + 1;
 134
 135         return $res;
 136 }
 137
 138 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 139
 140         $string = $s;
 141
 142         $occurance = 1;
 143         $pos = get_bb_tag_pos($string, $name, $occurance);
 144         while($pos !== false && $occurance < 1000) {
 145
 146                 $start = substr($string, 0, $pos['start']['open']);
 147                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 148                 $end = substr($string, $pos['end']['close']);
 149                 if($end === false)
 150                         $end = '';
 151
 152                 $subject = preg_replace($pattern, $replace, $subject);
 153                 $string = $start . $subject . $end;
 154
 155                 $occurance++;
 156                 $pos = get_bb_tag_pos($string, $name, $occurance);
 157         }
 158
 159         return $string;
 160 }
 161
 162 if(! function_exists('bb_extract_images')) {
 163 function bb_extract_images($body) {
 164
 165         $saved_image = array();
 166         $orig_body = $body;
 167         $new_body = '';
 168
 169         $cnt = 0;
 170         $img_start = strpos($orig_body, '[img');
 171         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 172         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 173         while(($img_st_close !== false) && ($img_end !== false)) {
 174
 175                 $img_st_close++; // make it point to AFTER the closing bracket
 176                 $img_end += $img_start;
 177
 178                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 179                         // This is an embedded image
 180
 181                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 182                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 183
 184                         $cnt++;
 185                 }
 186                 else
 187                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 188
 189                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 190
 191                 if($orig_body === false) // in case the body ends on a closing image tag
 192                         $orig_body = '';
 193
 194                 $img_start = strpos($orig_body, '[img');
 195                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 196                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 197         }
 198
 199         $new_body = $new_body . $orig_body;
 200
 201         return array('body' => $new_body, 'images' => $saved_image);
 202 }}
 203
 204 if(! function_exists('bb_replace_images')) {
 205 function bb_replace_images($body, $images) {
 206
 207         $newbody = $body;
 208
 209         $cnt = 0;
 210         foreach($images as $image) {
 211                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 212                 // it loops over the array starting from the first element and going sequentially
 213                 // to the last element
 214                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 215                 $cnt++;
 216         }
 217
 218         return $newbody;
 219 }}
 220
 221 function bb_ShareAttributes($match) {
 222
 223         $attributes = $match[1];
 224
 225         $author = "";
 226         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 227         if ($matches[1] != "")
 228                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 229
 230         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 231         if ($matches[1] != "")
 232                 $author = $matches[1];
 233
 234         $link = "";
 235         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 236         if ($matches[1] != "")
 237                 $link = $matches[1];
 238
 239         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 240         if ($matches[1] != "")
 241                 $link = $matches[1];
 242
 243         $avatar = "";
 244         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 245         if ($matches[1] != "")
 246                 $avatar = $matches[1];
 247
 248         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 249         if ($matches[1] != "")
 250                 $avatar = $matches[1];
 251
 252         $profile = "";
 253         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 254         if ($matches[1] != "")
 255                 $profile = $matches[1];
 256
 257         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 258         if ($matches[1] != "")
 259                 $profile = $matches[1];
 260
 261         $posted = "";
 262         preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 263         if ($matches[1] != "")
 264                 $posted = $matches[1];
 265
 266         preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 267         if ($matches[1] != "")
 268                 $posted = $matches[1];
 269                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 270
 271         $headline = '<br /><div class="shared_header">';
 272
 273         if ($avatar != "")
 274                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 275
 276         $headline .= sprintf(t('<span><a href="%s" target="external-link">%s</a> wrote the following <a href="%s" target="external-link">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 277
 278         $headline .= "</div>";
 279
 280         $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
 281
 282         return($text);
 283 }
 284
 285 function bb_ShareAttributesSimple($match) {
 286
 287         $attributes = $match[1];
 288
 289         $author = "";
 290         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 291         if ($matches[1] != "")
 292                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 293
 294         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 295         if ($matches[1] != "")
 296                 $author = $matches[1];
 297
 298         $profile = "";
 299         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 300         if ($matches[1] != "")
 301                 $profile = $matches[1];
 302
 303         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 304         if ($matches[1] != "")
 305                 $profile = $matches[1];
 306
 307         $userid = GetProfileUsername($profile,$author);
 308
 309         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 310
 311         return($text);
 312 }
 313 function bb_ShareAttributesSimple2($match) {
 314
 315         $attributes = $match[1];
 316
 317         $author = "";
 318         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 319         if ($matches[1] != "")
 320                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 321
 322         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 323         if ($matches[1] != "")
 324                 $author = $matches[1];
 325
 326         $profile = "";
 327         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 328         if ($matches[1] != "")
 329                 $profile = $matches[1];
 330
 331         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 332         if ($matches[1] != "")
 333                 $profile = $matches[1];
 334
 335         $userid = GetProfileUsername($profile,$author);
 336
 337         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 338
 339         return($text);
 340 }
 341
 342 function GetProfileUsername($profile, $username) {
 343         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 344         if ($friendica != $profile)
 345                 return($friendica);
 346
 347         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 348         if ($diaspora != $profile)
 349                 return($diaspora);
 350
 351         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 352         if ($StatusnetHost != $profile) {
 353                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 354                 if ($StatusnetUser != $profile) {
 355                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 356                         $user = json_decode($UserData);
 357                         if ($user)
 358                                 return($user->screen_name."@".$StatusnetHost);
 359                 }
 360         }
 361
 362         return($username);
 363 }
 364
 365         // BBcode 2 HTML was written by WAY2WEB.net
 366         // extended to work with Mistpark/Friendica - Mike Macgirvin
 367
 368 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false) {
 369
 370         $stamp1 = microtime(true);
 371
 372         $a = get_app();
 373
 374         // Hide all [noparse] contained bbtags by spacefying them
 375         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 376
 377         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 378         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 379         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 380
 381
 382         // Move all spaces out of the tags
 383         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 384         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 385
 386         // Extract the private images which use data url's since preg has issues with
 387         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 388         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 389
 390         $extracted = bb_extract_images($Text);
 391         $Text = $extracted['body'];
 392         $saved_image = $extracted['images'];
 393
 394         // If we find any event code, turn it into an event.
 395         // After we're finished processing the bbcode we'll
 396         // replace all of the event code with a reformatted version.
 397
 398         $ev = bbtoevent($Text);
 399
 400
 401         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 402         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 403
 404         $Text = str_replace("<", "&lt;", $Text);
 405         $Text = str_replace(">", "&gt;", $Text);
 406
 407         // remove some newlines before the general conversion
 408         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 409         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 410
 411         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 412         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 413
 414         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 415         if (!$tryoembed)
 416                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 417
 418         // Convert new line chars to html <br /> tags
 419
 420         // nlbr seems to be hopelessly messed up
 421         //      $Text = nl2br($Text);
 422
 423         // We'll emulate it.
 424
 425         $Text = trim($Text);
 426         $Text = str_replace("\r\n","\n", $Text);
 427
 428         // removing multiplicated newlines
 429         if (get_config("system", "remove_multiplicated_lines")) {
 430                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 431                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 432                 do {
 433                         $oldtext = $Text;
 434                         $Text = str_replace($search, $replace, $Text);
 435                 } while ($oldtext != $Text);
 436         }
 437
 438         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 439
 440         if($preserve_nl)
 441                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 442
 443
 444
 445         // Set up the parameters for a URL search string
 446         $URLSearchString = "^\[\]";
 447         // Set up the parameters for a MAIL search string
 448         $MAILSearchString = $URLSearchString;
 449
 450
 451         // Perform URL Search
 452
 453         $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
 454
 455         if ($tryoembed)
 456                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 457
 458         $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 459
 460         if ($tryoembed)
 461                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 462
 463         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
 464         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 465         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 466
 467         // Red compatibility, though the link can't be authenticated on Friendica
 468         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 469
 470
 471         // we may need to restrict this further if it picks up too many strays
 472         // link acct:user@host to a webfinger profile redirector
 473
 474         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 475                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 476
 477         // Perform MAIL Search
 478         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 479         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 480
 481         // Check for bold text
 482         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 483
 484         // Check for Italics text
 485         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 486
 487         // Check for Underline text
 488         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 489
 490         // Check for strike-through text
 491         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 492
 493         // Check for over-line text
 494         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 495
 496         // Check for colored text
 497         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 498
 499         // Check for sized text
 500         // [size=50] --> font-size: 50px (with the unit).
 501         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 502         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 503
 504         // Check for centered text
 505         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 506
 507         // Check for list text
 508         $Text = str_replace("[*]", "<li>", $Text);
 509
 510         // Check for style sheet commands
 511         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 512
 513         // Check for CSS classes
 514         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 515
 516         // handle nested lists
 517         $endlessloop = 0;
 518
 519         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 520                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 521                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 522                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 523                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 524                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 525                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 526                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 527                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 528                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 529                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 530                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 531                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 532                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 533         }
 534
 535         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 536         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 537         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 538         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 539
 540         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 541         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 542
 543         $Text = str_replace('[hr]','<hr />', $Text);
 544
 545         // This is actually executed in prepare_body()
 546
 547         $Text = str_replace('[nosmile]','',$Text);
 548
 549         // Check for font change text
 550         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 551
 552         // Declare the format for [code] layout
 553
 554 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 555
 556         $CodeLayout = '<code>$1</code>';
 557         // Check for [code] text
 558         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 559
 560         // Declare the format for [spoiler] layout
 561         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 562
 563         // Check for [spoiler] text
 564         // handle nested quotes
 565         $endlessloop = 0;
 566         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 567                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 568
 569         // Check for [spoiler=Author] text
 570
 571         $t_wrote = t('$1 wrote:');
 572
 573         // handle nested quotes
 574         $endlessloop = 0;
 575         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 576                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 577                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 578                                      $Text);
 579
 580         // Declare the format for [quote] layout
 581         $QuoteLayout = '<blockquote>$1</blockquote>';
 582
 583         // Check for [quote] text
 584         // handle nested quotes
 585         $endlessloop = 0;
 586         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 587                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 588
 589         // Check for [quote=Author] text
 590
 591         $t_wrote = t('$1 wrote:');
 592
 593         // handle nested quotes
 594         $endlessloop = 0;
 595         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 596                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 597                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 598                                      $Text);
 599
 600         // [img=widthxheight]image source[/img]
 601         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 602         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 603         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 604
 605         // Images
 606         // [img]pathtoimage[/img]
 607         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 608         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 609
 610         // Shared content
 611         if (!$simplehtml)
 612                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 613         elseif ($simplehtml == 1)
 614                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 615         elseif ($simplehtml == 2)
 616                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 617
 618         $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);
 619         $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 />', $Text);
 620         //$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 />', $Text);
 621
 622
 623         // Try to Oembed
 624         if ($tryoembed) {
 625                 $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);
 626                 $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);
 627
 628                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 629                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 630         } else {
 631                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
 632                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
 633         }
 634
 635         // html5 video and audio
 636
 637
 638         if ($tryoembed)
 639                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 640         else
 641                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 642
 643         // Youtube extensions
 644         if ($tryoembed) {
 645                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 646                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 647                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 648         }
 649
 650         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 651         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 652         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 653
 654         if ($tryoembed)
 655                 $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);
 656         else
 657                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "https://www.youtube.com/watch?v=$1", $Text);
 658
 659
 660         if ($tryoembed) {
 661                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 662                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 663         }
 664
 665         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 666         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 667
 668         if ($tryoembed)
 669                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
 670         else
 671                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
 672
 673 //      $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);
 674
 675
 676         // oembed tag
 677         $Text = oembed_bbcode2html($Text);
 678
 679         // Avoid triple linefeeds through oembed
 680         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
 681
 682         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 683         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
 684         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
 685         // start which is always required). Allow desc with a missing summary for compatibility.
 686
 687         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
 688                 $sub = format_event_html($ev);
 689
 690                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
 691                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
 692                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
 693                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
 694                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
 695                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
 696         }
 697
 698         // Unhide all [noparse] contained bbtags unspacefying them
 699         // and triming the [noparse] tag.
 700
 701         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
 702         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
 703         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
 704
 705
 706         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
 707         $Text = preg_replace('/\&\#039\;/','\'',$Text);
 708         $Text = preg_replace('/\&quot\;/','"',$Text);
 709
 710         // fix any escaped ampersands that may have been converted into links
 711         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
 712         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
 713
 714         if($saved_image)
 715                 $Text = bb_replace_images($Text, $saved_image);
 716
 717         // Clean up the HTML by loading and saving the HTML with the DOM
 718         // Only do it when it has to be done - for performance reasons
 719         // Update: Now it is done every time - since bad structured html can break a whole page
 720         //if (!$tryoembed) {
 721         //      $doc = new DOMDocument();
 722         //      $doc->preserveWhiteSpace = false;
 723
 724         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
 725
 726         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
 727         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
 728
 729         //      $Text = $doc->saveHTML();
 730         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
 731
 732         //      $Text = str_replace('<br></li>','</li>', $Text);
 733
 734         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
 735         //}
 736
 737         // Clean up some useless linebreaks in lists
 738         //$Text = str_replace('<br /><ul','<ul ', $Text);
 739         //$Text = str_replace('</ul><br />','</ul>', $Text);
 740         //$Text = str_replace('</li><br />','</li>', $Text);
 741         //$Text = str_replace('<br /><li>','<li>', $Text);
 742         //      $Text = str_replace('<br /><ul','<ul ', $Text);
 743
 744         // Remove all hashtag addresses
 745         if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
 746                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
 747                 $Text = preg_replace($pattern, '#$2', $Text);
 748         }
 749
 750         call_hooks('bbcode',$Text);
 751
 752         $a->save_timestamp($stamp1, "parser");
 753
 754         return $Text;
 755 }