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         //logger("tryoembed: $url");
  41
  42         $o = oembed_fetch_url($url);
  43
  44         //echo "<pre>"; var_dump($match, $url, $o); killme();
  45
  46         if ($o->type=="error") return $match[0];
  47
  48         $html = oembed_format_object($o);
  49         return $html; //oembed_iframe($html,$o->width,$o->height);
  50
  51 }
  52
  53 // [noparse][i]italic[/i][/noparse] turns into
  54 // [noparse][ i ]italic[ /i ][/noparse],
  55 // to hide them from parser.
  56
  57 function bb_spacefy($st) {
  58   $whole_match = $st[0];
  59   $captured = $st[1];
  60   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
  61   $new_str = str_replace($captured, $spacefied, $whole_match);
  62   return $new_str;
  63 }
  64
  65 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
  66 // now turns back and the [noparse] tags are trimed
  67 // returning [i]italic[/i]
  68
  69 function bb_unspacefy_and_trim($st) {
  70   $whole_match = $st[0];
  71   $captured = $st[1];
  72   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
  73   return $unspacefied;
  74 }
  75
  76 function bb_find_open_close($s, $open, $close, $occurance = 1) {
  77
  78         if($occurance < 1)
  79                 $occurance = 1;
  80
  81         $start_pos = -1;
  82         for($i = 1; $i <= $occurance; $i++) {
  83                 if( $start_pos !== false)
  84                         $start_pos = strpos($s, $open, $start_pos + 1);
  85         }
  86
  87         if( $start_pos === false)
  88                 return false;
  89
  90         $end_pos = strpos($s, $close, $start_pos);
  91
  92         if( $end_pos === false)
  93                 return false;
  94
  95         $res = array( 'start' => $start_pos, 'end' => $end_pos );
  96
  97         return $res;
  98 }
  99
 100 function get_bb_tag_pos($s, $name, $occurance = 1) {
 101
 102         if($occurance < 1)
 103                 $occurance = 1;
 104
 105         $start_open = -1;
 106         for($i = 1; $i <= $occurance; $i++) {
 107                 if( $start_open !== false)
 108                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
 109         }
 110
 111         if( $start_open === false)
 112                 return false;
 113
 114         $start_equal = strpos($s, '=', $start_open);
 115         $start_close = strpos($s, ']', $start_open);
 116
 117         if( $start_close === false)
 118                 return false;
 119
 120         $start_close++;
 121
 122         $end_open = strpos($s, '[/' . $name . ']', $start_close);
 123
 124         if( $end_open === false)
 125                 return false;
 126
 127         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
 128                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
 129         if( $start_equal !== false)
 130                 $res['start']['equal'] = $start_equal + 1;
 131
 132         return $res;
 133 }
 134
 135 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
 136
 137         $string = $s;
 138
 139         $occurance = 1;
 140         $pos = get_bb_tag_pos($string, $name, $occurance);
 141         while($pos !== false && $occurance < 1000) {
 142
 143                 $start = substr($string, 0, $pos['start']['open']);
 144                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
 145                 $end = substr($string, $pos['end']['close']);
 146                 if($end === false)
 147                         $end = '';
 148
 149                 $subject = preg_replace($pattern, $replace, $subject);
 150                 $string = $start . $subject . $end;
 151
 152                 $occurance++;
 153                 $pos = get_bb_tag_pos($string, $name, $occurance);
 154         }
 155
 156         return $string;
 157 }
 158
 159 if(! function_exists('bb_extract_images')) {
 160 function bb_extract_images($body) {
 161
 162         $saved_image = array();
 163         $orig_body = $body;
 164         $new_body = '';
 165
 166         $cnt = 0;
 167         $img_start = strpos($orig_body, '[img');
 168         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 169         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 170         while(($img_st_close !== false) && ($img_end !== false)) {
 171
 172                 $img_st_close++; // make it point to AFTER the closing bracket
 173                 $img_end += $img_start;
 174
 175                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
 176                         // This is an embedded image
 177
 178                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
 179                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
 180
 181                         $cnt++;
 182                 }
 183                 else
 184                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
 185
 186                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
 187
 188                 if($orig_body === false) // in case the body ends on a closing image tag
 189                         $orig_body = '';
 190
 191                 $img_start = strpos($orig_body, '[img');
 192                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
 193                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
 194         }
 195
 196         $new_body = $new_body . $orig_body;
 197
 198         return array('body' => $new_body, 'images' => $saved_image);
 199 }}
 200
 201 if(! function_exists('bb_replace_images')) {
 202 function bb_replace_images($body, $images) {
 203
 204         $newbody = $body;
 205
 206         $cnt = 0;
 207         foreach($images as $image) {
 208                 // We're depending on the property of 'foreach' (specified on the PHP website) that
 209                 // it loops over the array starting from the first element and going sequentially
 210                 // to the last element
 211                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
 212                 $cnt++;
 213         }
 214
 215         return $newbody;
 216 }}
 217
 218 function bb_ShareAttributes($match) {
 219
 220         $attributes = $match[1];
 221
 222         $author = "";
 223         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 224         if ($matches[1] != "")
 225                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 226
 227         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 228         if ($matches[1] != "")
 229                 $author = $matches[1];
 230
 231         $link = "";
 232         preg_match("/link='(.*?)'/ism", $attributes, $matches);
 233         if ($matches[1] != "")
 234                 $link = $matches[1];
 235
 236         preg_match('/link="(.*?)"/ism', $attributes, $matches);
 237         if ($matches[1] != "")
 238                 $link = $matches[1];
 239
 240         $avatar = "";
 241         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 242         if ($matches[1] != "")
 243                 $avatar = $matches[1];
 244
 245         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 246         if ($matches[1] != "")
 247                 $avatar = $matches[1];
 248
 249         $profile = "";
 250         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 251         if ($matches[1] != "")
 252                 $profile = $matches[1];
 253
 254         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 255         if ($matches[1] != "")
 256                 $profile = $matches[1];
 257
 258         $posted = "";
 259         preg_match("/posted='(.*?)'/ism", $attributes, $matches);
 260         if ($matches[1] != "")
 261                 $posted = $matches[1];
 262
 263         preg_match('/posted="(.*?)"/ism', $attributes, $matches);
 264         if ($matches[1] != "")
 265                 $posted = $matches[1];
 266                 $reldate = (($posted) ? " " . relative_date($posted) : '');
 267
 268         $headline = '<br /><div class="shared_header">';
 269
 270         if ($avatar != "")
 271                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
 272
 273         $headline .= sprintf(t('<span><a href="%s" target="external-link">%s</a> wrote the following <a href="%s" target="external-link">post</a>'.$reldate.':</span>'), $profile, $author, $link);
 274
 275         $headline .= "</div>";
 276
 277         $text = $headline.'<blockquote class="shared_content">'.trim($match[2])."</blockquote>";
 278
 279         return($text);
 280 }
 281
 282 function bb_ShareAttributesSimple($match) {
 283
 284         $attributes = $match[1];
 285
 286         $author = "";
 287         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 288         if ($matches[1] != "")
 289                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 290
 291         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 292         if ($matches[1] != "")
 293                 $author = $matches[1];
 294
 295         $profile = "";
 296         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 297         if ($matches[1] != "")
 298                 $profile = $matches[1];
 299
 300         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 301         if ($matches[1] != "")
 302                 $profile = $matches[1];
 303
 304         $userid = GetProfileUsername($profile,$author);
 305
 306         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$match[2]."«";
 307
 308         return($text);
 309 }
 310 function bb_ShareAttributesSimple2($match) {
 311
 312         $attributes = $match[1];
 313
 314         $author = "";
 315         preg_match("/author='(.*?)'/ism", $attributes, $matches);
 316         if ($matches[1] != "")
 317                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 318
 319         preg_match('/author="(.*?)"/ism', $attributes, $matches);
 320         if ($matches[1] != "")
 321                 $author = $matches[1];
 322
 323         $profile = "";
 324         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 325         if ($matches[1] != "")
 326                 $profile = $matches[1];
 327
 328         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 329         if ($matches[1] != "")
 330                 $profile = $matches[1];
 331
 332         $userid = GetProfileUsername($profile,$author);
 333
 334         $text = "<br />".html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />".$match[2];
 335
 336         return($text);
 337 }
 338
 339 function GetProfileUsername($profile, $username) {
 340         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
 341         if ($friendica != $profile)
 342                 return($friendica);
 343
 344         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
 345         if ($diaspora != $profile)
 346                 return($diaspora);
 347
 348         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
 349         if ($StatusnetHost != $profile) {
 350                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
 351                 if ($StatusnetUser != $profile) {
 352                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
 353                         $user = json_decode($UserData);
 354                         if ($user)
 355                                 return($user->screen_name."@".$StatusnetHost);
 356                 }
 357         }
 358
 359         return($username);
 360 }
 361
 362         // BBcode 2 HTML was written by WAY2WEB.net
 363         // extended to work with Mistpark/Friendica - Mike Macgirvin
 364
 365 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false) {
 366
 367         $stamp1 = microtime(true);
 368
 369         $a = get_app();
 370
 371         // Hide all [noparse] contained bbtags by spacefying them
 372         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
 373
 374         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
 375         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
 376         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 377
 378
 379         // Move all spaces out of the tags
 380         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
 381         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 382
 383         // Extract the private images which use data url's since preg has issues with
 384         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
 385         // in after we've done all the regex matching. We cannot use any preg functions to do this.
 386
 387         $extracted = bb_extract_images($Text);
 388         $Text = $extracted['body'];
 389         $saved_image = $extracted['images'];
 390
 391         // If we find any event code, turn it into an event.
 392         // After we're finished processing the bbcode we'll
 393         // replace all of the event code with a reformatted version.
 394
 395         $ev = bbtoevent($Text);
 396
 397
 398         // Replace any html brackets with HTML Entities to prevent executing HTML or script
 399         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
 400
 401         $Text = str_replace("<", "&lt;", $Text);
 402         $Text = str_replace(">", "&gt;", $Text);
 403
 404         // remove some newlines before the general conversion
 405         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
 406         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
 407
 408         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
 409         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
 410
 411         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
 412         if (!$tryoembed)
 413                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
 414
 415         // Convert new line chars to html <br /> tags
 416
 417         // nlbr seems to be hopelessly messed up
 418         //      $Text = nl2br($Text);
 419
 420         // We'll emulate it.
 421
 422         $Text = trim($Text);
 423         $Text = str_replace("\r\n","\n", $Text);
 424
 425         // removing multiplicated newlines
 426         if (get_config("system", "remove_multiplicated_lines")) {
 427                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n");
 428                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]");
 429                 do {
 430                         $oldtext = $Text;
 431                         $Text = str_replace($search, $replace, $Text);
 432                 } while ($oldtext != $Text);
 433         }
 434
 435         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
 436
 437         if($preserve_nl)
 438                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
 439
 440
 441
 442         // Set up the parameters for a URL search string
 443         $URLSearchString = "^\[\]";
 444         // Set up the parameters for a MAIL search string
 445         $MAILSearchString = $URLSearchString;
 446
 447
 448         // Perform URL Search
 449
 450         $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="external-link">$2</a>', $Text);
 451
 452         if ($tryoembed)
 453                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
 454
 455         $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
 456
 457         if ($tryoembed)
 458                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
 459
 460         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="external-link">$1</a>', $Text);
 461         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 462         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
 463
 464         // Red compatibility, though the link can't be authenticated on Friendica
 465         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="external-link">$2</a>', $Text);
 466
 467
 468         // we may need to restrict this further if it picks up too many strays
 469         // link acct:user@host to a webfinger profile redirector
 470
 471         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
 472                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
 473
 474         // Perform MAIL Search
 475         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
 476         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
 477
 478         // Check for bold text
 479         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
 480
 481         // Check for Italics text
 482         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
 483
 484         // Check for Underline text
 485         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
 486
 487         // Check for strike-through text
 488         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
 489
 490         // Check for over-line text
 491         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
 492
 493         // Check for colored text
 494         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
 495
 496         // Check for sized text
 497         // [size=50] --> font-size: 50px (with the unit).
 498         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
 499         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
 500
 501         // Check for centered text
 502         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
 503
 504         // Check for list text
 505         $Text = str_replace("[*]", "<li>", $Text);
 506
 507         // Check for style sheet commands
 508         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
 509
 510         // Check for CSS classes
 511         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
 512
 513         // handle nested lists
 514         $endlessloop = 0;
 515
 516         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
 517                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
 518                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
 519                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
 520                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 521                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
 522                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 523                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
 524                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
 525                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
 526                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
 527                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
 528                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 529                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 530         }
 531
 532         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
 533         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
 534         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
 535         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
 536
 537         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
 538         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
 539
 540         $Text = str_replace('[hr]','<hr />', $Text);
 541
 542         // This is actually executed in prepare_body()
 543
 544         $Text = str_replace('[nosmile]','',$Text);
 545
 546         // Check for font change text
 547         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
 548
 549         // Declare the format for [code] layout
 550
 551 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
 552
 553         $CodeLayout = '<code>$1</code>';
 554         // Check for [code] text
 555         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
 556
 557         // Declare the format for [spoiler] layout
 558         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 559
 560         // Check for [spoiler] text
 561         // handle nested quotes
 562         $endlessloop = 0;
 563         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
 564                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
 565
 566         // Check for [spoiler=Author] text
 567
 568         $t_wrote = t('$1 wrote:');
 569
 570         // handle nested quotes
 571         $endlessloop = 0;
 572         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
 573                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
 574                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
 575                                      $Text);
 576
 577         // Declare the format for [quote] layout
 578         $QuoteLayout = '<blockquote>$1</blockquote>';
 579
 580         // Check for [quote] text
 581         // handle nested quotes
 582         $endlessloop = 0;
 583         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
 584                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
 585
 586         // Check for [quote=Author] text
 587
 588         $t_wrote = t('$1 wrote:');
 589
 590         // handle nested quotes
 591         $endlessloop = 0;
 592         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
 593                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
 594                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
 595                                      $Text);
 596
 597         // [img=widthxheight]image source[/img]
 598         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
 599         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
 600         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
 601
 602         // Images
 603         // [img]pathtoimage[/img]
 604         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 605         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
 606
 607         // Shared content
 608         if (!$simplehtml)
 609                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);
 610         elseif ($simplehtml == 1)
 611                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple",$Text);
 612         elseif ($simplehtml == 2)
 613                 $Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributesSimple2",$Text);
 614
 615         $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);
 616         $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 />', $Text);
 617
 618
 619         // Try to Oembed
 620         if ($tryoembed) {
 621                 $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);
 622                 $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);
 623
 624                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
 625                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
 626         } else {
 627                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text);
 628                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text);
 629         }
 630
 631         // html5 video and audio
 632
 633
 634         if ($tryoembed)
 635                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
 636         else
 637                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
 638
 639         // Youtube extensions
 640         if ($tryoembed) {
 641                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 642                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
 643                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
 644         }
 645
 646         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 647         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 648         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
 649
 650         if ($tryoembed)
 651                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
 652         else
 653                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "http://www.youtube.com/watch?v=$1", $Text);
 654
 655
 656         if ($tryoembed) {
 657                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 658                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
 659         }
 660
 661         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 662         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 663
 664         if ($tryoembed)
 665                 $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);
 666         else
 667                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
 668
 669 //      $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);
 670
 671
 672         // oembed tag
 673         $Text = oembed_bbcode2html($Text);
 674
 675         // Avoid triple linefeeds through oembed
 676         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
 677
 678         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
 679         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
 680         // Summary (e.g. title) is required, earlier revisions only required description (in addition to
 681         // start which is always required). Allow desc with a missing summary for compatibility.
 682
 683         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
 684                 $sub = format_event_html($ev);
 685
 686                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
 687                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
 688                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
 689                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
 690                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
 691                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
 692         }
 693
 694         // Unhide all [noparse] contained bbtags unspacefying them
 695         // and triming the [noparse] tag.
 696
 697         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
 698         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
 699         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
 700
 701
 702         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
 703         $Text = preg_replace('/\&\#039\;/','\'',$Text);
 704         $Text = preg_replace('/\&quot\;/','"',$Text);
 705
 706         // fix any escaped ampersands that may have been converted into links
 707         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
 708         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
 709
 710         if($saved_image)
 711                 $Text = bb_replace_images($Text, $saved_image);
 712
 713         // Clean up the HTML by loading and saving the HTML with the DOM
 714         // Only do it when it has to be done - for performance reasons
 715         // Update: Now it is done every time - since bad structured html can break a whole page
 716         //if (!$tryoembed) {
 717         //      $doc = new DOMDocument();
 718         //      $doc->preserveWhiteSpace = false;
 719
 720         //      $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
 721
 722         //      $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
 723         //      @$doc->loadHTML($doctype."<html><body>".$Text."</body></html>");
 724
 725         //      $Text = $doc->saveHTML();
 726         //      $Text = str_replace(array("<html><body>", "</body></html>", $doctype), array("", "", ""), $Text);
 727
 728         //      $Text = str_replace('<br></li>','</li>', $Text);
 729
 730         //      $Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
 731         //}
 732
 733         // Clean up some useless linebreaks in lists
 734         //$Text = str_replace('<br /><ul','<ul ', $Text);
 735         //$Text = str_replace('</ul><br />','</ul>', $Text);
 736         //$Text = str_replace('</li><br />','</li>', $Text);
 737         //$Text = str_replace('<br /><li>','<li>', $Text);
 738         //      $Text = str_replace('<br /><ul','<ul ', $Text);
 739
 740         // Remove all hashtag addresses
 741         if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
 742                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
 743                 $Text = preg_replace($pattern, '#$2', $Text);
 744         }
 745
 746         call_hooks('bbcode',$Text);
 747
 748         $a->save_timestamp($stamp1, "parser");
 749
 750         return $Text;
 751 }