]> git.mxchange.org Git - friendica.git/blob - include/bbcode.php
When a post contains a picture then a picture in the added information is displayed...
[friendica.git] / include / bbcode.php
1 <?php
2 require_once("include/oembed.php");
3 require_once('include/event.php');
4
5 function bb_attachment($Text, $plaintext = false, $tryoembed = true) {
6         $Text = preg_replace_callback("/(.*?)\[attachment(.*?)\](.*?)\[\/attachment\]/ism",
7                 function ($match) use ($plaintext){
8
9                         $attributes = $match[2];
10
11                         $type = "";
12                         preg_match("/type='(.*?)'/ism", $attributes, $matches);
13                         if ($matches[1] != "")
14                                 $type = strtolower($matches[1]);
15
16                         preg_match('/type="(.*?)"/ism', $attributes, $matches);
17                         if ($matches[1] != "")
18                                 $type = strtolower($matches[1]);
19
20                         if ($type == "")
21                                 return($match[0]);
22
23                         if (!in_array($type, array("link", "audio", "video")))
24                                 return($match[0]);
25
26                         $url = "";
27                         preg_match("/url='(.*?)'/ism", $attributes, $matches);
28                         if ($matches[1] != "")
29                                 $url = $matches[1];
30
31                         preg_match('/url="(.*?)"/ism', $attributes, $matches);
32                         if ($matches[1] != "")
33                                 $url = $matches[1];
34
35                         $title = "";
36                         preg_match("/title='(.*?)'/ism", $attributes, $matches);
37                         if ($matches[1] != "")
38                                 $title = $matches[1];
39
40                         preg_match('/title="(.*?)"/ism', $attributes, $matches);
41                         if ($matches[1] != "")
42                                 $title = $matches[1];
43
44                         $title = htmlentities($title, ENT_QUOTES, 'UTF-8', false);
45
46                         $image = "";
47                         if ($type != "video") {
48                                 preg_match("/image='(.*?)'/ism", $attributes, $matches);
49                                 if ($matches[1] != "")
50                                         $image = $matches[1];
51
52                                 preg_match('/image="(.*?)"/ism', $attributes, $matches);
53                                 if ($matches[1] != "")
54                                         $image = $matches[1];
55                         }
56
57                         $preview = "";
58                         if ($type != "video") {
59                                 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
60                                 if ($matches[1] != "")
61                                         $preview = $matches[1];
62
63                                 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
64                                 if ($matches[1] != "")
65                                         $preview = $matches[1];
66                         }
67
68                         if (((strpos($match[1], "[img=") !== false) OR (strpos($match[1], "[img]") !== false)) AND ($image != "")) {
69                                 $preview = $image;
70                                 $image = "";
71                         }
72
73                         if ($plaintext)
74                                 $text = sprintf('<a href="%s" target="_blank">%s</a><br>', $url, $title);
75                         else {
76                                 $text = sprintf('<span class="type-%s">', $type);
77
78                                 $bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $url, $title), $url, $title);
79                                 if ($tryoembed)
80                                         $oembed = tryoembed($bookmark);
81                                 else
82                                         $oembed = $bookmark[0];
83
84                                 if (($image != "") AND !strstr(strtolower($oembed), "<img "))
85                                         $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $url, $image, $title);
86                                 elseif (($preview != "") AND !strstr(strtolower($oembed), "<img "))
87                                         $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $url, $preview, $title);
88
89                                 $text .= $oembed;
90
91                                 $text .= sprintf('<blockquote>%s</blockquote></span>', trim($match[3]));
92                         }
93
94                         return($match[1].$text);
95                 },$Text);
96
97         return($Text);
98 }
99
100 function bb_rearrange_share($shared) {
101         if (!in_array(strtolower($shared[2]), array("type-link", "type-audio", "type-video")))
102                 return($shared[0]);
103
104         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
105                 return($shared[0]);
106
107         $type = substr(trim(strtolower($shared[2])), 5);
108
109         $title = "";
110         $url = "";
111         $preview = "";
112         $description = "";
113
114         if (isset($bookmark[2][0]))
115                 $title = $bookmark[2][0];
116
117         if (isset($bookmark[1][0]))
118                 $url = $bookmark[1][0];
119
120         $cleanedshare = trim($shared[3]);
121         $cleanedshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $cleanedshare);
122         preg_match("/\[img\](.*?)\[\/img\]/ism", $cleanedshare, $matches);
123
124         if ($matches)
125                 $preview = trim($matches[1]);
126
127         preg_match("/\[quote\](.*?)\[\/quote\]/ism", $cleanedshare, $matches);
128         if ($matches)
129                 $description = trim($matches[1]);
130
131         $url = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($url, ENT_QUOTES, 'UTF-8', false));
132         $title = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($title, ENT_QUOTES, 'UTF-8', false));
133         $preview = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($preview, ENT_QUOTES, 'UTF-8', false));
134
135         $Text = trim($shared[1])."\n[attachment type='".$type."'";
136
137         if ($url != "")
138                 $Text .= " url='".$url."'";
139         if ($title != "")
140                 $Text .= " title='".$title."'";
141         if ($preview != "") {
142                 require_once("include/Photo.php");
143                 $picturedata = get_photo_info($preview);
144
145                 if (count($picturedata) > 0) {
146                         // if the preview picture is larger than 500 pixels then show it in a larger mode
147                         // But only, if the picture isn't higher than large (To prevent huge posts)
148                         if (($picturedata[0] >= 500) AND ($picturedata[0] >= $picturedata[1]))
149                                 $Text .= " image='".$preview."'";
150                         else
151                                 $Text .= " preview='".$preview."'";
152                 } else
153                         $Text .= " preview='".$preview."'";
154         }
155         $Text .= "]".$description."[/attachment]";
156
157         return($Text);
158 }
159
160 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
161         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism",
162                 function ($match) use ($plaintext, $nolink){
163                         return(bb_cleanup_share($match, $plaintext, $nolink));
164                 },$Text);
165         return($Text);
166 }
167
168 function bb_cleanup_share($shared, $plaintext, $nolink) {
169         if (!in_array($shared[2], array("type-link", "type-video")))
170                 return($shared[0]);
171
172         if ($plaintext)
173                 $shared[3] = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $shared[3]);
174
175         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
176                 return($shared[0]);
177
178         if ($nolink)
179                 return(trim($shared[1]));
180
181         $title = "";
182         $link = "";
183
184         if (isset($bookmark[2][0]))
185                 $title = $bookmark[2][0];
186
187         if (isset($bookmark[1][0]))
188                 $link = $bookmark[1][0];
189
190         if (($title != "") AND ((strpos($shared[1],$title) !== false) OR
191                 (similar_text($shared[1],$title) / strlen($title)) > 0.9))
192                 $title = "";
193
194 //        if (strpos($shared[1],$link) !== false)
195 //                $link = "";
196
197         $text = trim($shared[1]);
198
199         if (($text == "") AND ($title != "") AND ($link == ""))
200                 $text .= "\n\n".trim($title);
201
202         // If the link already is included in the post, don't add it again
203         if (($link != "") AND strpos($text, $link))
204                 return(trim($text));
205
206         if (($link != "") AND ($title != ""))
207                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
208         elseif (($link != ""))
209                 $text .= "\n".trim($link);
210
211         return(trim($text));
212 }
213
214
215 function bb_cleanstyle($st) {
216   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
217 }
218
219 function bb_cleanclass($st) {
220   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
221 }
222
223 function cleancss($input) {
224
225         $cleaned = "";
226
227         $input = strtolower($input);
228
229         for ($i = 0; $i < strlen($input); $i++) {
230                 $char = substr($input, $i, 1);
231
232                 if (($char >= "a") and ($char <= "z"))
233                         $cleaned .= $char;
234
235                 if (!(strpos(" #;:0123456789-_", $char) === false))
236                         $cleaned .= $char;
237         }
238
239         return($cleaned);
240 }
241
242 function stripcode_br_cb($s) {
243         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
244 }
245
246 function tryoembed($match){
247         //$url = ((count($match)==2)?$match[1]:$match[2]);
248         $url = $match[1];
249
250         // Always embed the SSL version
251         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
252                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
253
254         //logger("tryoembed: $url");
255
256         $o = oembed_fetch_url($url);
257
258         if (isset($match[2]))
259                 $o->title = $match[2];
260
261         if ($o->type=="error") return $match[0];
262
263         $html = oembed_format_object($o);
264         return $html; //oembed_iframe($html,$o->width,$o->height);
265
266 }
267
268 // [noparse][i]italic[/i][/noparse] turns into
269 // [noparse][ i ]italic[ /i ][/noparse],
270 // to hide them from parser.
271
272 function bb_spacefy($st) {
273   $whole_match = $st[0];
274   $captured = $st[1];
275   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
276   $new_str = str_replace($captured, $spacefied, $whole_match);
277   return $new_str;
278 }
279
280 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
281 // now turns back and the [noparse] tags are trimed
282 // returning [i]italic[/i]
283
284 function bb_unspacefy_and_trim($st) {
285   $whole_match = $st[0];
286   $captured = $st[1];
287   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
288   return $unspacefied;
289 }
290
291 function bb_find_open_close($s, $open, $close, $occurance = 1) {
292
293         if($occurance < 1)
294                 $occurance = 1;
295
296         $start_pos = -1;
297         for($i = 1; $i <= $occurance; $i++) {
298                 if( $start_pos !== false)
299                         $start_pos = strpos($s, $open, $start_pos + 1);
300         }
301
302         if( $start_pos === false)
303                 return false;
304
305         $end_pos = strpos($s, $close, $start_pos);
306
307         if( $end_pos === false)
308                 return false;
309
310         $res = array( 'start' => $start_pos, 'end' => $end_pos );
311
312         return $res;
313 }
314
315 function get_bb_tag_pos($s, $name, $occurance = 1) {
316
317         if($occurance < 1)
318                 $occurance = 1;
319
320         $start_open = -1;
321         for($i = 1; $i <= $occurance; $i++) {
322                 if( $start_open !== false)
323                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
324         }
325
326         if( $start_open === false)
327                 return false;
328
329         $start_equal = strpos($s, '=', $start_open);
330         $start_close = strpos($s, ']', $start_open);
331
332         if( $start_close === false)
333                 return false;
334
335         $start_close++;
336
337         $end_open = strpos($s, '[/' . $name . ']', $start_close);
338
339         if( $end_open === false)
340                 return false;
341
342         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
343                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
344         if( $start_equal !== false)
345                 $res['start']['equal'] = $start_equal + 1;
346
347         return $res;
348 }
349
350 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
351
352         $string = $s;
353
354         $occurance = 1;
355         $pos = get_bb_tag_pos($string, $name, $occurance);
356         while($pos !== false && $occurance < 1000) {
357
358                 $start = substr($string, 0, $pos['start']['open']);
359                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
360                 $end = substr($string, $pos['end']['close']);
361                 if($end === false)
362                         $end = '';
363
364                 $subject = preg_replace($pattern, $replace, $subject);
365                 $string = $start . $subject . $end;
366
367                 $occurance++;
368                 $pos = get_bb_tag_pos($string, $name, $occurance);
369         }
370
371         return $string;
372 }
373
374 if(! function_exists('bb_extract_images')) {
375 function bb_extract_images($body) {
376
377         $saved_image = array();
378         $orig_body = $body;
379         $new_body = '';
380
381         $cnt = 0;
382         $img_start = strpos($orig_body, '[img');
383         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
384         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
385         while(($img_st_close !== false) && ($img_end !== false)) {
386
387                 $img_st_close++; // make it point to AFTER the closing bracket
388                 $img_end += $img_start;
389
390                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
391                         // This is an embedded image
392
393                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
394                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
395
396                         $cnt++;
397                 }
398                 else
399                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
400
401                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
402
403                 if($orig_body === false) // in case the body ends on a closing image tag
404                         $orig_body = '';
405
406                 $img_start = strpos($orig_body, '[img');
407                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
408                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
409         }
410
411         $new_body = $new_body . $orig_body;
412
413         return array('body' => $new_body, 'images' => $saved_image);
414 }}
415
416 if(! function_exists('bb_replace_images')) {
417 function bb_replace_images($body, $images) {
418
419         $newbody = $body;
420
421         $cnt = 0;
422         foreach($images as $image) {
423                 // We're depending on the property of 'foreach' (specified on the PHP website) that
424                 // it loops over the array starting from the first element and going sequentially
425                 // to the last element
426                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
427                 $cnt++;
428         }
429
430         return $newbody;
431 }}
432
433 function bb_ShareAttributes($share, $simplehtml) {
434         $attributes = $share[2];
435
436         $author = "";
437         preg_match("/author='(.*?)'/ism", $attributes, $matches);
438         if ($matches[1] != "")
439                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
440
441         preg_match('/author="(.*?)"/ism', $attributes, $matches);
442         if ($matches[1] != "")
443                 $author = $matches[1];
444
445         $profile = "";
446         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
447         if ($matches[1] != "")
448                 $profile = $matches[1];
449
450         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
451         if ($matches[1] != "")
452                 $profile = $matches[1];
453
454         $avatar = "";
455         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
456         if ($matches[1] != "")
457                 $avatar = $matches[1];
458
459         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
460         if ($matches[1] != "")
461                 $avatar = $matches[1];
462
463         $link = "";
464         preg_match("/link='(.*?)'/ism", $attributes, $matches);
465         if ($matches[1] != "")
466                 $link = $matches[1];
467
468         preg_match('/link="(.*?)"/ism', $attributes, $matches);
469         if ($matches[1] != "")
470                 $link = $matches[1];
471
472         $posted = "";
473
474         $itemcache = get_itemcachepath();
475
476         // relative dates only make sense when they aren't cached
477         if ($itemcache == "") {
478                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
479                 if ($matches[1] != "")
480                         $posted = $matches[1];
481
482                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
483                 if ($matches[1] != "")
484                         $posted = $matches[1];
485
486                 $reldate = (($posted) ? " " . relative_date($posted) : '');
487         }
488
489         $userid = GetProfileUsername($profile,$author, false);
490         $userid_compact = GetProfileUsername($profile,$author, true);
491
492         $preshare = trim($share[1]);
493
494         if ($preshare != "")
495                 $preshare .= "<br /><br />";
496
497         switch ($simplehtml) {
498                 case 1:
499                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$share[3]."«";
500                         break;
501                 case 2:
502                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
503                         break;
504                 case 3: // Diaspora
505                         $headline = '<div class="shared_header">';
506                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b></span>';
507                         $headline .= "</div>";
508
509                         $text = trim($share[1]);
510
511                         if ($text != "")
512                                 $text .= "<hr />";
513
514                         if (substr(normalise_link($link), 0, 19) != "http://twitter.com/") {
515                                 $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
516
517                                 if ($link != "")
518                                         $text .= '<br /><a href="'.$link.'">[l]</a>';
519                         } else
520                                 $text .= '<br /><a href="'.$link.'">'.$link.'</a>';
521
522                         break;
523                 case 4:
524                         $headline = '<div class="shared_header">';
525                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
526                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
527                         $headline .= ":</b></span></div>";
528
529                         $text = trim($share[1]);
530
531                         if ($text != "")
532                                 $text .= "<hr />";
533
534                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
535
536                         break;
537                 case 5:
538                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
539                         break;
540                 case 6: // app.net
541                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
542                         break;
543                 case 7: // statusnet/GNU Social
544                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
545                         break;
546                 case 8: // twitter
547                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
548                         break;
549                 case 9: // Google+/Facebook
550                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
551
552                         if ($link != "")
553                                 $text .= "<br /><br />".$link;
554                         break;
555                 default:
556                         $headline = trim($share[1]).'<div class="shared_header">';
557                         if ($avatar != "")
558                                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
559
560                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
561                         $headline .= "</div>";
562                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
563                         break;
564         }
565         return($text);
566 }
567
568 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
569
570         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
571         if ($twitter != $profile) {
572                 if ($getnetwork)
573                         return(NETWORK_TWITTER);
574                 elseif ($compact)
575                         return($twitter);
576                 else
577                         return($username." (".$twitter.")");
578         }
579
580         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
581         if ($appnet != $profile) {
582                 if ($getnetwork)
583                         return(NETWORK_APPNET);
584                 elseif ($compact)
585                         return($appnet);
586                 else
587                         return($username." (".$appnet.")");
588         }
589
590         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
591         if ($gplus != $profile) {
592                 if ($getnetwork)
593                         return(NETWORK_GPLUS);
594                 elseif ($compact)
595                         return($gplususername." (".$username.")");
596                 else
597                         return($username." (".$gplus.")");
598         }
599
600         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
601         if ($friendica != $profile) {
602                 if ($getnetwork)
603                         return(NETWORK_DFRN);
604                 elseif ($compact)
605                         return($friendica);
606                 else
607                         return($username." (".$friendica.")");
608         }
609
610         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
611         if ($diaspora != $profile) {
612                 if ($getnetwork)
613                         return(NETWORK_DIASPORA);
614                 elseif ($compact)
615                         return($diaspora);
616                 else
617                         return($username." (".$diaspora.")");
618         }
619
620         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
621         if ($StatusnetHost != $profile) {
622                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
623                 if ($StatusnetUser != $profile) {
624                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
625                         $user = json_decode($UserData);
626                         if ($user) {
627                                 if ($getnetwork)
628                                         return(NETWORK_STATUSNET);
629                                 elseif ($compact)
630                                         return($user->screen_name."@".$StatusnetHost);
631                                 else
632                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
633                         }
634                 }
635         }
636
637         // pumpio (http://host.name/user)
638         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
639         if ($rest == "") {
640                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
641                 if ($pumpio != $profile) {
642                         if ($getnetwork)
643                                 return(NETWORK_PUMPIO);
644                         elseif ($compact)
645                                 return($pumpio);
646                         else
647                                 return($username." (".$pumpio.")");
648                 }
649         }
650
651         return($username);
652 }
653
654 function bb_RemovePictureLinks($match) {
655         $text = Cache::get($match[1]);
656
657         if(is_null($text)){
658                 $a = get_app();
659
660                 $ch = @curl_init($match[1]);
661                 @curl_setopt($ch, CURLOPT_NOBODY, true);
662                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
663                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
664                 @curl_exec($ch);
665                 $curl_info = @curl_getinfo($ch);
666
667                 if (substr($curl_info["content_type"], 0, 6) == "image/")
668                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
669                 else {
670                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
671
672                         // if its not a picture then look if its a page that contains a picture link
673                         require_once("include/network.php");
674
675                         $body = fetch_url($match[1]);
676
677                         $doc = new DOMDocument();
678                         @$doc->loadHTML($body);
679                         $xpath = new DomXPath($doc);
680                         $list = $xpath->query("//meta[@name]");
681                         foreach ($list as $node) {
682                                 $attr = array();
683
684                                 if ($node->attributes->length)
685                                         foreach ($node->attributes as $attribute)
686                                                 $attr[$attribute->name] = $attribute->value;
687
688                                 if (strtolower($attr["name"]) == "twitter:image")
689                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
690                         }
691                 }
692                 Cache::set($match[1],$text);
693         }
694         return($text);
695 }
696
697 function bb_expand_links($match) {
698         if (stristr($match[2], $match[3]) OR ($match[2] == $match[3]))
699                 return ($match[1]."[url]".$match[2]."[/url]");
700         else
701                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
702 }
703
704 function bb_CleanPictureLinksSub($match) {
705         $text = Cache::get($match[1]);
706
707         if(is_null($text)){
708                 $a = get_app();
709
710                 $ch = @curl_init($match[1]);
711                 @curl_setopt($ch, CURLOPT_NOBODY, true);
712                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
713                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
714                 @curl_exec($ch);
715                 $curl_info = @curl_getinfo($ch);
716
717                 // if its a link to a picture then embed this picture
718                 if (substr($curl_info["content_type"], 0, 6) == "image/")
719                         $text = "[img]".$match[1]."[/img]";
720                 else {
721                         $text = "[img]".$match[2]."[/img]";
722
723                         // if its not a picture then look if its a page that contains a picture link
724                         require_once("include/network.php");
725
726                         $body = fetch_url($match[1]);
727
728                         $doc = new DOMDocument();
729                         @$doc->loadHTML($body);
730                         $xpath = new DomXPath($doc);
731                         $list = $xpath->query("//meta[@name]");
732                         foreach ($list as $node) {
733                                 $attr = array();
734
735                                 if ($node->attributes->length)
736                                         foreach ($node->attributes as $attribute)
737                                                 $attr[$attribute->name] = $attribute->value;
738
739                                 if (strtolower($attr["name"]) == "twitter:image")
740                                         $text = "[img]".$attr["content"]."[/img]";
741                         }
742                 }
743                 Cache::set($match[1],$text);
744         }
745         return($text);
746 }
747
748 function bb_CleanPictureLinks($text) {
749         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
750         return ($text);
751 }
752
753         // BBcode 2 HTML was written by WAY2WEB.net
754         // extended to work with Mistpark/Friendica - Mike Macgirvin
755
756 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
757
758         $stamp1 = microtime(true);
759
760         $a = get_app();
761
762         // Hide all [noparse] contained bbtags by spacefying them
763         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
764
765         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
766         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
767         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
768
769
770         // Move all spaces out of the tags
771         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
772         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
773
774         // Extract the private images which use data urls since preg has issues with
775         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
776         // in after we've done all the regex matching. We cannot use any preg functions to do this.
777
778         $extracted = bb_extract_images($Text);
779         $Text = $extracted['body'];
780         $saved_image = $extracted['images'];
781
782         // If we find any event code, turn it into an event.
783         // After we're finished processing the bbcode we'll
784         // replace all of the event code with a reformatted version.
785
786         $ev = bbtoevent($Text);
787
788
789         // Replace any html brackets with HTML Entities to prevent executing HTML or script
790         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
791
792         $Text = str_replace("<", "&lt;", $Text);
793         $Text = str_replace(">", "&gt;", $Text);
794
795         // remove some newlines before the general conversion
796         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
797         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
798
799         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
800         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
801
802         // Rearrange shares to attachments
803         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism", "bb_rearrange_share",$Text);
804
805         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
806         if (!$tryoembed)
807                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
808
809         // Convert new line chars to html <br /> tags
810
811         // nlbr seems to be hopelessly messed up
812         //      $Text = nl2br($Text);
813
814         // We'll emulate it.
815
816         $Text = trim($Text);
817         $Text = str_replace("\r\n","\n", $Text);
818
819         // removing multiplicated newlines
820         if (get_config("system", "remove_multiplicated_lines")) {
821                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n");
822                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]");
823                 do {
824                         $oldtext = $Text;
825                         $Text = str_replace($search, $replace, $Text);
826                 } while ($oldtext != $Text);
827         }
828
829         // Handle attached links or videos
830         $Text = bb_attachment($Text, ($simplehtml != 4) AND ($simplehtml != 0), $tryoembed);
831
832         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
833
834         if($preserve_nl)
835                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
836
837         // Set up the parameters for a URL search string
838         $URLSearchString = "^\[\]";
839         // Set up the parameters for a MAIL search string
840         $MAILSearchString = $URLSearchString;
841
842         // Remove all hashtag addresses
843         if (!$tryoembed OR $simplehtml)
844                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
845
846         // Bookmarks in red - will be converted to bookmarks in friendica
847         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
848         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
849         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
850                                 "[bookmark=$1]$2[/bookmark]", $Text);
851
852         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
853                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
854                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
855                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
856         }
857
858         if ($simplehtml == 5)
859                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
860
861         // Perform URL Search
862         if ($tryoembed)
863                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
864
865         if ($simplehtml == 5)
866                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
867         else
868                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
869
870         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
871         if (!$forplaintext)
872                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
873         else {
874                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
875                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
876         }
877
878         if ($tryoembed)
879                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
880
881         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
882         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
883         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
884
885         // Red compatibility, though the link can't be authenticated on Friendica
886         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
887
888
889         // we may need to restrict this further if it picks up too many strays
890         // link acct:user@host to a webfinger profile redirector
891
892         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2" 
893                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
894
895         // Perform MAIL Search
896         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
897         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
898
899         // Check for bold text
900         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
901
902         // Check for Italics text
903         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
904
905         // Check for Underline text
906         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
907
908         // Check for strike-through text
909         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
910
911         // Check for over-line text
912         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
913
914         // Check for colored text
915         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
916
917         // Check for sized text
918         // [size=50] --> font-size: 50px (with the unit).
919         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
920         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
921
922         // Check for centered text
923         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
924
925         // Check for list text
926         $Text = str_replace("[*]", "<li>", $Text);
927
928         // Check for style sheet commands
929         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
930
931         // Check for CSS classes
932         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
933
934         // handle nested lists
935         $endlessloop = 0;
936
937         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
938                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || 
939                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) || 
940                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
941                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
942                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
943                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
944                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
945                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
946                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
947                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
948                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
949                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
950                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
951         }
952
953         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
954         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
955         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
956         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
957
958         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
959         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
960
961         $Text = str_replace('[hr]','<hr />', $Text);
962
963         // This is actually executed in prepare_body()
964
965         $Text = str_replace('[nosmile]','',$Text);
966
967         // Check for font change text
968         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
969
970         // Declare the format for [code] layout
971
972 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
973
974         $CodeLayout = '<code>$1</code>';
975         // Check for [code] text
976         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
977
978         // Declare the format for [spoiler] layout
979         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
980
981         // Check for [spoiler] text
982         // handle nested quotes
983         $endlessloop = 0;
984         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
985                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
986
987         // Check for [spoiler=Author] text
988
989         $t_wrote = t('$1 wrote:');
990
991         // handle nested quotes
992         $endlessloop = 0;
993         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
994                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
995                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
996                                      $Text);
997
998         // Declare the format for [quote] layout
999         $QuoteLayout = '<blockquote>$1</blockquote>';
1000
1001         // Check for [quote] text
1002         // handle nested quotes
1003         $endlessloop = 0;
1004         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
1005                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
1006
1007         // Check for [quote=Author] text
1008
1009         $t_wrote = t('$1 wrote:');
1010
1011         // handle nested quotes
1012         $endlessloop = 0;
1013         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
1014                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1015                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1016                                      $Text);
1017
1018         // [img=widthxheight]image source[/img]
1019         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
1020         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1021         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1022
1023         // Images
1024         // [img]pathtoimage[/img]
1025         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1026         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1027
1028         // Shared content
1029         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1030                 function ($match) use ($simplehtml){
1031                         return(bb_ShareAttributes($match, $simplehtml));
1032                 },$Text);
1033
1034         $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);
1035         $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 />', $Text);
1036         //$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 />', $Text);
1037
1038
1039         // Try to Oembed
1040         if ($tryoembed) {
1041                 $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);
1042                 $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);
1043
1044                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
1045                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
1046         } else {
1047                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1048                                         '<a href="$1" target="_blank">$1</a>', $Text);
1049                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1050                                         '<a href="$1" target="_blank">$1</a>', $Text);
1051         }
1052
1053         // html5 video and audio
1054
1055
1056         if ($tryoembed)
1057                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1058         else
1059                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1060
1061         // Youtube extensions
1062         if ($tryoembed) {
1063                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1064                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1065                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1066         }
1067
1068         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1069         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1070         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1071
1072         if ($tryoembed)
1073                 $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);
1074         else
1075                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1076                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1077
1078         if ($tryoembed) {
1079                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
1080                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
1081         }
1082
1083         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
1084         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1085
1086         if ($tryoembed)
1087                 $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);
1088         else
1089                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1090                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1091
1092 //      $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);
1093
1094
1095         // oembed tag
1096         $Text = oembed_bbcode2html($Text);
1097
1098         // Avoid triple linefeeds through oembed
1099         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1100
1101         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1102         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1103         // Summary (e.g. title) is required, earlier revisions only required description (in addition to 
1104         // start which is always required). Allow desc with a missing summary for compatibility.
1105
1106         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1107                 $sub = format_event_html($ev);
1108
1109                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1110                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1111                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text); 
1112                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1113                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1114                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1115         }
1116
1117         // Unhide all [noparse] contained bbtags unspacefying them 
1118         // and triming the [noparse] tag.
1119
1120         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1121         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1122         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1123
1124
1125         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1126         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1127         $Text = preg_replace('/\&quot\;/','"',$Text);
1128
1129         // fix any escaped ampersands that may have been converted into links
1130         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1131         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1132
1133         if($saved_image)
1134                 $Text = bb_replace_images($Text, $saved_image);
1135
1136         // Clean up the HTML by loading and saving the HTML with the DOM.
1137         // Bad structured html can break a whole page.
1138         // For performance reasons do it only with ativated item cache or at export.
1139         if (!$tryoembed OR (get_itemcachepath() != "")) {
1140                 $doc = new DOMDocument();
1141                 $doc->preserveWhiteSpace = false;
1142
1143                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1144
1145                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1146                 $encoding = '<?xml encoding="UTF-8">';
1147                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1148                 $doc->encoding = 'UTF-8';
1149                 $Text = $doc->saveHTML();
1150                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1151
1152                 $Text = str_replace('<br></li>','</li>', $Text);
1153
1154                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1155         }
1156
1157         // Clean up some useless linebreaks in lists
1158         //$Text = str_replace('<br /><ul','<ul ', $Text);
1159         //$Text = str_replace('</ul><br />','</ul>', $Text);
1160         //$Text = str_replace('</li><br />','</li>', $Text);
1161         //$Text = str_replace('<br /><li>','<li>', $Text);
1162         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1163
1164         // Remove all hashtag addresses
1165 /*      if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1166                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1167                 $Text = preg_replace($pattern, '#$2', $Text);
1168         }
1169 */
1170         call_hooks('bbcode',$Text);
1171
1172         $a->save_timestamp($stamp1, "parser");
1173
1174         return $Text;
1175 }
1176 ?>