]> git.mxchange.org Git - friendica.git/blob - include/bbcode.php
Merge pull request #1803 from annando/1508-accessibility
[friendica.git] / include / bbcode.php
1 <?php
2 require_once("include/oembed.php");
3 require_once('include/event.php');
4 require_once('include/map.php');
5
6
7 function bb_map_coords($match) {
8         // the extra space in the following line is intentional
9         return str_replace($match[0],'<div class="map"  >' . generate_map(str_replace('/',' ',$match[1])) . '</div>', $match[0]);
10 }
11 function bb_map_location($match) {
12         // the extra space in the following line is intentional
13         return str_replace($match[0],'<div class="map"  >' . generate_named_map($match[1]) . '</div>', $match[0]);
14 }
15
16 function bb_attachment($Text, $simplehtml = false, $tryoembed = true) {
17         $Text = preg_replace_callback("/(.*?)\[attachment(.*?)\](.*?)\[\/attachment\]/ism",
18                 function ($match) use ($simplehtml, $tryoembed){
19
20                         $attributes = $match[2];
21
22                         $type = "";
23                         preg_match("/type='(.*?)'/ism", $attributes, $matches);
24                         if ($matches[1] != "")
25                                 $type = strtolower($matches[1]);
26
27                         preg_match('/type="(.*?)"/ism', $attributes, $matches);
28                         if ($matches[1] != "")
29                                 $type = strtolower($matches[1]);
30
31                         if ($type == "")
32                                 return($match[0]);
33
34                         if (!in_array($type, array("link", "audio", "video")))
35                                 return($match[0]);
36
37                         $url = "";
38                         preg_match("/url='(.*?)'/ism", $attributes, $matches);
39                         if ($matches[1] != "")
40                                 $url = $matches[1];
41
42                         preg_match('/url="(.*?)"/ism', $attributes, $matches);
43                         if ($matches[1] != "")
44                                 $url = $matches[1];
45
46                         $title = "";
47                         preg_match("/title='(.*?)'/ism", $attributes, $matches);
48                         if ($matches[1] != "")
49                                 $title = $matches[1];
50
51                         preg_match('/title="(.*?)"/ism', $attributes, $matches);
52                         if ($matches[1] != "")
53                                 $title = $matches[1];
54
55                         //$title = htmlentities($title, ENT_QUOTES, 'UTF-8', false);
56                         $title = bbcode(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, false, true);
57                         $title = str_replace(array("[", "]"), array("&#91;", "&#93;"), $title);
58
59                         $image = "";
60                         if ($type != "video") {
61                                 preg_match("/image='(.*?)'/ism", $attributes, $matches);
62                                 if ($matches[1] != "")
63                                         $image = $matches[1];
64
65                                 preg_match('/image="(.*?)"/ism', $attributes, $matches);
66                                 if ($matches[1] != "")
67                                         $image = $matches[1];
68                         }
69
70                         $preview = "";
71                         if ($type != "video") {
72                                 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
73                                 if ($matches[1] != "")
74                                         $preview = $matches[1];
75
76                                 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
77                                 if ($matches[1] != "")
78                                         $preview = $matches[1];
79                         }
80
81                         if (((strpos($match[1], "[img=") !== false) OR (strpos($match[1], "[img]") !== false)) AND ($image != "")) {
82                                 $preview = $image;
83                                 $image = "";
84                         }
85
86                         if ($simplehtml == 7)
87                                 $text = sprintf('<a href="%s" title="%s" class="attachment thumbnail" rel="nofollow external">%s</a>',
88                                                 $url, $title, $title);
89                         elseif (($simplehtml != 4) AND ($simplehtml != 0))
90                                 $text = sprintf('<a href="%s" target="_blank">%s</a><br>', $url, $title);
91                         else {
92                                 $text = sprintf('<span class="type-%s">', $type);
93
94                                 $bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $url, $title), $url, $title);
95                                 if ($tryoembed)
96                                         $oembed = tryoembed($bookmark);
97                                 else
98                                         $oembed = $bookmark[0];
99
100                                 if (strstr(strtolower($oembed), "<iframe "))
101                                         $text = $oembed;
102                                 else {
103                                         if (($image != "") AND !strstr(strtolower($oembed), "<img "))
104                                                 $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $url, $image, $title);
105                                         elseif (($preview != "") AND !strstr(strtolower($oembed), "<img "))
106                                                 $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $url, $preview, $title);
107
108                                         $text .= $oembed;
109
110                                         $text .= sprintf('<blockquote>%s</blockquote></span>', trim($match[3]));
111                                 }
112                         }
113
114                         return($match[1].$text);
115                 },$Text);
116
117         return($Text);
118 }
119
120 function bb_rearrange_share($shared) {
121         if (!in_array(strtolower($shared[2]), array("type-link", "type-audio", "type-video")))
122                 return($shared[0]);
123
124         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
125                 return($shared[0]);
126
127         $type = substr(trim(strtolower($shared[2])), 5);
128
129         $title = "";
130         $url = "";
131         $preview = "";
132         $description = "";
133
134         if (isset($bookmark[2][0]))
135                 $title = $bookmark[2][0];
136
137         if (isset($bookmark[1][0]))
138                 $url = $bookmark[1][0];
139
140         $cleanedshare = trim($shared[3]);
141         $cleanedshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $cleanedshare);
142         preg_match("/\[img\](.*?)\[\/img\]/ism", $cleanedshare, $matches);
143
144         if ($matches)
145                 $preview = trim($matches[1]);
146
147         preg_match("/\[quote\](.*?)\[\/quote\]/ism", $cleanedshare, $matches);
148         if ($matches)
149                 $description = trim($matches[1]);
150
151         $url = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($url, ENT_QUOTES, 'UTF-8', false));
152         $title = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($title, ENT_QUOTES, 'UTF-8', false));
153         $preview = str_replace(array("[", "]"), array("&#91;", "&#93;"), htmlentities($preview, ENT_QUOTES, 'UTF-8', false));
154
155         $Text = trim($shared[1])."\n[attachment type='".$type."'";
156
157         if ($url != "")
158                 $Text .= " url='".$url."'";
159         if ($title != "")
160                 $Text .= " title='".$title."'";
161         if ($preview != "") {
162                 require_once("include/Photo.php");
163                 $picturedata = get_photo_info($preview);
164
165                 if (count($picturedata) > 0) {
166                         // if the preview picture is larger than 500 pixels then show it in a larger mode
167                         // But only, if the picture isn't higher than large (To prevent huge posts)
168                         if (($picturedata[0] >= 500) AND ($picturedata[0] >= $picturedata[1]))
169                                 $Text .= " image='".$preview."'";
170                         else
171                                 $Text .= " preview='".$preview."'";
172                 } else
173                         $Text .= " preview='".$preview."'";
174         }
175         $Text .= "]".$description."[/attachment]";
176
177         return($Text);
178 }
179
180 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
181         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism",
182                 function ($match) use ($plaintext, $nolink){
183                         return(bb_cleanup_share($match, $plaintext, $nolink));
184                 },$Text);
185         return($Text);
186 }
187
188 function bb_cleanup_share($shared, $plaintext, $nolink) {
189         $shared[1] = trim($shared[1]);
190
191         if (!in_array($shared[2], array("type-link", "type-video")))
192                 return($shared[0]);
193
194         if ($plaintext)
195                 $shared[3] = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $shared[3]);
196
197         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
198                 return($shared[0]);
199
200         if ($nolink)
201                 return($shared[1]);
202
203         $title = "";
204         $link = "";
205
206         if (isset($bookmark[2][0]))
207                 $title = $bookmark[2][0];
208
209         if (isset($bookmark[1][0]))
210                 $link = $bookmark[1][0];
211
212         if (($shared[1] != "") AND (strpos($title, $shared[1]) !== false))
213                 $shared[1] = $title;
214
215         if (($title != "") AND ((strpos($shared[1],$title) !== false) OR
216                 (similar_text($shared[1],$title) / strlen($title)) > 0.9))
217                 $title = "";
218
219 //        if (strpos($shared[1],$link) !== false)
220 //                $link = "";
221
222         $text = trim($shared[1]);
223
224         if (($text == "") AND ($title != "") AND ($link == ""))
225                 $text .= "\n\n".trim($title);
226
227         // If the link already is included in the post, don't add it again
228         if (($link != "") AND strpos($text, $link))
229                 return(trim($text));
230
231         if (($link != "") AND ($title != ""))
232                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
233         elseif (($link != ""))
234                 $text .= "\n".trim($link);
235
236         return(trim($text));
237 }
238
239
240 function bb_cleanstyle($st) {
241   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
242 }
243
244 function bb_cleanclass($st) {
245   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
246 }
247
248 function cleancss($input) {
249
250         $cleaned = "";
251
252         $input = strtolower($input);
253
254         for ($i = 0; $i < strlen($input); $i++) {
255                 $char = substr($input, $i, 1);
256
257                 if (($char >= "a") and ($char <= "z"))
258                         $cleaned .= $char;
259
260                 if (!(strpos(" #;:0123456789-_", $char) === false))
261                         $cleaned .= $char;
262         }
263
264         return($cleaned);
265 }
266
267 function stripcode_br_cb($s) {
268         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
269 }
270
271 function tryoembed($match){
272         //$url = ((count($match)==2)?$match[1]:$match[2]);
273         $url = $match[1];
274
275         // Always embed the SSL version
276         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
277                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
278
279         //logger("tryoembed: $url");
280
281         $o = oembed_fetch_url($url);
282
283         if (isset($match[2]))
284                 $o->title = $match[2];
285
286         if ($o->type=="error") return $match[0];
287
288         $html = oembed_format_object($o);
289         return $html; //oembed_iframe($html,$o->width,$o->height);
290
291 }
292
293 // [noparse][i]italic[/i][/noparse] turns into
294 // [noparse][ i ]italic[ /i ][/noparse],
295 // to hide them from parser.
296
297 function bb_spacefy($st) {
298   $whole_match = $st[0];
299   $captured = $st[1];
300   $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
301   $new_str = str_replace($captured, $spacefied, $whole_match);
302   return $new_str;
303 }
304
305 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
306 // now turns back and the [noparse] tags are trimed
307 // returning [i]italic[/i]
308
309 function bb_unspacefy_and_trim($st) {
310   $whole_match = $st[0];
311   $captured = $st[1];
312   $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
313   return $unspacefied;
314 }
315
316 function bb_find_open_close($s, $open, $close, $occurance = 1) {
317
318         if($occurance < 1)
319                 $occurance = 1;
320
321         $start_pos = -1;
322         for($i = 1; $i <= $occurance; $i++) {
323                 if( $start_pos !== false)
324                         $start_pos = strpos($s, $open, $start_pos + 1);
325         }
326
327         if( $start_pos === false)
328                 return false;
329
330         $end_pos = strpos($s, $close, $start_pos);
331
332         if( $end_pos === false)
333                 return false;
334
335         $res = array( 'start' => $start_pos, 'end' => $end_pos );
336
337         return $res;
338 }
339
340 function get_bb_tag_pos($s, $name, $occurance = 1) {
341
342         if($occurance < 1)
343                 $occurance = 1;
344
345         $start_open = -1;
346         for($i = 1; $i <= $occurance; $i++) {
347                 if( $start_open !== false)
348                         $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
349         }
350
351         if( $start_open === false)
352                 return false;
353
354         $start_equal = strpos($s, '=', $start_open);
355         $start_close = strpos($s, ']', $start_open);
356
357         if( $start_close === false)
358                 return false;
359
360         $start_close++;
361
362         $end_open = strpos($s, '[/' . $name . ']', $start_close);
363
364         if( $end_open === false)
365                 return false;
366
367         $res = array( 'start' => array('open' => $start_open, 'close' => $start_close),
368                       'end' => array('open' => $end_open, 'close' => $end_open + strlen('[/' . $name . ']')) );
369         if( $start_equal !== false)
370                 $res['start']['equal'] = $start_equal + 1;
371
372         return $res;
373 }
374
375 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
376
377         $string = $s;
378
379         $occurance = 1;
380         $pos = get_bb_tag_pos($string, $name, $occurance);
381         while($pos !== false && $occurance < 1000) {
382
383                 $start = substr($string, 0, $pos['start']['open']);
384                 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
385                 $end = substr($string, $pos['end']['close']);
386                 if($end === false)
387                         $end = '';
388
389                 $subject = preg_replace($pattern, $replace, $subject);
390                 $string = $start . $subject . $end;
391
392                 $occurance++;
393                 $pos = get_bb_tag_pos($string, $name, $occurance);
394         }
395
396         return $string;
397 }
398
399 if(! function_exists('bb_extract_images')) {
400 function bb_extract_images($body) {
401
402         $saved_image = array();
403         $orig_body = $body;
404         $new_body = '';
405
406         $cnt = 0;
407         $img_start = strpos($orig_body, '[img');
408         $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
409         $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
410         while(($img_st_close !== false) && ($img_end !== false)) {
411
412                 $img_st_close++; // make it point to AFTER the closing bracket
413                 $img_end += $img_start;
414
415                 if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
416                         // This is an embedded image
417
418                         $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
419                         $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
420
421                         $cnt++;
422                 }
423                 else
424                         $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
425
426                 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
427
428                 if($orig_body === false) // in case the body ends on a closing image tag
429                         $orig_body = '';
430
431                 $img_start = strpos($orig_body, '[img');
432                 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
433                 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
434         }
435
436         $new_body = $new_body . $orig_body;
437
438         return array('body' => $new_body, 'images' => $saved_image);
439 }}
440
441 if(! function_exists('bb_replace_images')) {
442 function bb_replace_images($body, $images) {
443
444         $newbody = $body;
445
446         $cnt = 0;
447         foreach($images as $image) {
448                 // We're depending on the property of 'foreach' (specified on the PHP website) that
449                 // it loops over the array starting from the first element and going sequentially
450                 // to the last element
451                 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . $image .'" alt="' . t('Image/photo') . '" />', $newbody);
452                 $cnt++;
453         }
454
455         return $newbody;
456 }}
457
458 function bb_ShareAttributes($share, $simplehtml) {
459         $attributes = $share[2];
460
461         $author = "";
462         preg_match("/author='(.*?)'/ism", $attributes, $matches);
463         if ($matches[1] != "")
464                 $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
465
466         preg_match('/author="(.*?)"/ism', $attributes, $matches);
467         if ($matches[1] != "")
468                 $author = $matches[1];
469
470         $profile = "";
471         preg_match("/profile='(.*?)'/ism", $attributes, $matches);
472         if ($matches[1] != "")
473                 $profile = $matches[1];
474
475         preg_match('/profile="(.*?)"/ism', $attributes, $matches);
476         if ($matches[1] != "")
477                 $profile = $matches[1];
478
479         $avatar = "";
480         preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
481         if ($matches[1] != "")
482                 $avatar = $matches[1];
483
484         preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
485         if ($matches[1] != "")
486                 $avatar = $matches[1];
487
488         $link = "";
489         preg_match("/link='(.*?)'/ism", $attributes, $matches);
490         if ($matches[1] != "")
491                 $link = $matches[1];
492
493         preg_match('/link="(.*?)"/ism', $attributes, $matches);
494         if ($matches[1] != "")
495                 $link = $matches[1];
496
497         $posted = "";
498
499         $itemcache = get_itemcachepath();
500
501         // relative dates only make sense when they aren't cached
502         if ($itemcache == "") {
503                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
504                 if ($matches[1] != "")
505                         $posted = $matches[1];
506
507                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
508                 if ($matches[1] != "")
509                         $posted = $matches[1];
510
511                 $reldate = (($posted) ? " " . relative_date($posted) : '');
512         }
513
514         $userid = GetProfileUsername($profile,$author, false);
515         $userid_compact = GetProfileUsername($profile,$author, true);
516
517         $preshare = trim($share[1]);
518
519         if ($preshare != "")
520                 $preshare .= "<br /><br />";
521
522         switch ($simplehtml) {
523                 case 1:
524                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' <a href="'.$profile.'">'.$userid."</a>: <br />»".$share[3]."«";
525                         break;
526                 case 2:
527                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
528                         break;
529                 case 3: // Diaspora
530                         $headline .= '<b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b><br />';
531
532                         $text = trim($share[1]);
533
534                         if ($text != "")
535                                 $text .= "<hr />";
536
537                         if (substr(normalise_link($link), 0, 19) != "http://twitter.com/") {
538                                 $text .= $headline.'<blockquote>'.trim($share[3])."</blockquote><br />";
539
540                                 if ($link != "")
541                                         $text .= '<br /><a href="'.$link.'">[l]</a>';
542                         } else
543                                 $text .= '<br /><a href="'.$link.'">'.$link.'</a>';
544
545                         break;
546                 case 4:
547                         $headline = '<div class="shared_header">';
548                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
549                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
550                         $headline .= ":</b></span></div>";
551
552                         $text = trim($share[1]);
553
554                         if ($text != "")
555                                 $text .= "<hr />";
556
557                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
558
559                         break;
560                 case 5:
561                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
562                         break;
563                 case 6: // app.net
564                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
565                         break;
566                 case 7: // statusnet/GNU Social
567                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
568                         break;
569                 case 8: // twitter
570                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
571                         break;
572                 case 9: // Google+/Facebook
573                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
574
575                         if ($link != "")
576                                 $text .= "<br /><br />".$link;
577                         break;
578                 default:
579                         $headline = trim($share[1]).'<div class="shared_header">';
580                         if ($avatar != "")
581                                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
582
583                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
584                         $headline .= "</div>";
585                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
586                         break;
587         }
588         return($text);
589 }
590
591 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
592
593         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
594         if ($twitter != $profile) {
595                 if ($getnetwork)
596                         return(NETWORK_TWITTER);
597                 elseif ($compact)
598                         return($twitter);
599                 else
600                         return($username." (".$twitter.")");
601         }
602
603         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
604         if ($appnet != $profile) {
605                 if ($getnetwork)
606                         return(NETWORK_APPNET);
607                 elseif ($compact)
608                         return($appnet);
609                 else
610                         return($username." (".$appnet.")");
611         }
612
613         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
614         if ($gplus != $profile) {
615                 if ($getnetwork)
616                         return(NETWORK_GPLUS);
617                 elseif ($compact)
618                         return($gplususername." (".$username.")");
619                 else
620                         return($username." (".$gplus.")");
621         }
622
623         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
624         if ($friendica != $profile) {
625                 if ($getnetwork)
626                         return(NETWORK_DFRN);
627                 elseif ($compact)
628                         return($friendica);
629                 else
630                         return($username." (".$friendica.")");
631         }
632
633         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
634         if ($diaspora != $profile) {
635                 if ($getnetwork)
636                         return(NETWORK_DIASPORA);
637                 elseif ($compact)
638                         return($diaspora);
639                 else
640                         return($username." (".$diaspora.")");
641         }
642
643         $red = preg_replace("=https?://(.*)/channel/(.*)=ism", "$2@$1", $profile);
644         if ($red != $profile) {
645                 if ($getnetwork)
646                         // red is identified as Diaspora - friendica can't connect directly to it
647                         return(NETWORK_DIASPORA);
648                 elseif ($compact)
649                         return($red);
650                 else
651                         return($username." (".$red.")");
652         }
653
654         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
655         if ($StatusnetHost != $profile) {
656                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
657                 if ($StatusnetUser != $profile) {
658                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
659                         $user = json_decode($UserData);
660                         if ($user) {
661                                 if ($getnetwork)
662                                         return(NETWORK_STATUSNET);
663                                 elseif ($compact)
664                                         return($user->screen_name."@".$StatusnetHost);
665                                 else
666                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
667                         }
668                 }
669         }
670
671         // pumpio (http://host.name/user)
672         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
673         if ($rest == "") {
674                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
675                 if ($pumpio != $profile) {
676                         if ($getnetwork)
677                                 return(NETWORK_PUMPIO);
678                         elseif ($compact)
679                                 return($pumpio);
680                         else
681                                 return($username." (".$pumpio.")");
682                 }
683         }
684
685         return($username);
686 }
687
688 function bb_DiasporaLinks($match) {
689         $a = get_app();
690
691         return "[url=".$a->get_baseurl()."/display/".$match[1]."]".$match[2]."[/url]";
692 }
693
694 function bb_RemovePictureLinks($match) {
695         $text = Cache::get($match[1]);
696
697         if(is_null($text)){
698                 $a = get_app();
699
700                 $stamp1 = microtime(true);
701
702                 $ch = @curl_init($match[1]);
703                 @curl_setopt($ch, CURLOPT_NOBODY, true);
704                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
705                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
706                 @curl_exec($ch);
707                 $curl_info = @curl_getinfo($ch);
708
709                 $a->save_timestamp($stamp1, "network");
710
711                 if (substr($curl_info["content_type"], 0, 6) == "image/")
712                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
713                 else {
714                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
715
716                         // if its not a picture then look if its a page that contains a picture link
717                         require_once("include/network.php");
718
719                         $body = fetch_url($match[1]);
720
721                         $doc = new DOMDocument();
722                         @$doc->loadHTML($body);
723                         $xpath = new DomXPath($doc);
724                         $list = $xpath->query("//meta[@name]");
725                         foreach ($list as $node) {
726                                 $attr = array();
727
728                                 if ($node->attributes->length)
729                                         foreach ($node->attributes as $attribute)
730                                                 $attr[$attribute->name] = $attribute->value;
731
732                                 if (strtolower($attr["name"]) == "twitter:image")
733                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
734                         }
735                 }
736                 Cache::set($match[1],$text);
737         }
738         return($text);
739 }
740
741 function bb_expand_links($match) {
742         if (($match[3] == "") OR ($match[2] == $match[3]) OR stristr($match[2], $match[3]))
743                 return ($match[1]."[url]".$match[2]."[/url]");
744         else
745                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
746 }
747
748 function bb_CleanPictureLinksSub($match) {
749         $text = Cache::get($match[1]);
750
751         if(is_null($text)){
752                 $a = get_app();
753
754                 $stamp1 = microtime(true);
755
756                 $ch = @curl_init($match[1]);
757                 @curl_setopt($ch, CURLOPT_NOBODY, true);
758                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
759                 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
760                 @curl_exec($ch);
761                 $curl_info = @curl_getinfo($ch);
762
763                 $a->save_timestamp($stamp1, "network");
764
765                 // if its a link to a picture then embed this picture
766                 if (substr($curl_info["content_type"], 0, 6) == "image/")
767                         $text = "[img]".$match[1]."[/img]";
768                 else {
769                         $text = "[img]".$match[2]."[/img]";
770
771                         // if its not a picture then look if its a page that contains a picture link
772                         require_once("include/network.php");
773
774                         $body = fetch_url($match[1]);
775
776                         $doc = new DOMDocument();
777                         @$doc->loadHTML($body);
778                         $xpath = new DomXPath($doc);
779                         $list = $xpath->query("//meta[@name]");
780                         foreach ($list as $node) {
781                                 $attr = array();
782
783                                 if ($node->attributes->length)
784                                         foreach ($node->attributes as $attribute)
785                                                 $attr[$attribute->name] = $attribute->value;
786
787                                 if (strtolower($attr["name"]) == "twitter:image")
788                                         $text = "[img]".$attr["content"]."[/img]";
789                         }
790                 }
791                 Cache::set($match[1],$text);
792         }
793         return($text);
794 }
795
796 function bb_CleanPictureLinks($text) {
797         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
798         return ($text);
799 }
800
801         // BBcode 2 HTML was written by WAY2WEB.net
802         // extended to work with Mistpark/Friendica - Mike Macgirvin
803
804 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
805
806         $a = get_app();
807
808         // Hide all [noparse] contained bbtags by spacefying them
809         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
810
811         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
812         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
813         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
814
815
816         // Move all spaces out of the tags
817         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
818         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
819
820         // Extract the private images which use data urls since preg has issues with
821         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
822         // in after we've done all the regex matching. We cannot use any preg functions to do this.
823
824         $extracted = bb_extract_images($Text);
825         $Text = $extracted['body'];
826         $saved_image = $extracted['images'];
827
828         // If we find any event code, turn it into an event.
829         // After we're finished processing the bbcode we'll
830         // replace all of the event code with a reformatted version.
831
832         $ev = bbtoevent($Text);
833
834         // Replace any html brackets with HTML Entities to prevent executing HTML or script
835         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
836
837         $Text = str_replace("<", "&lt;", $Text);
838         $Text = str_replace(">", "&gt;", $Text);
839
840         // remove some newlines before the general conversion
841         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
842         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
843
844         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
845         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
846
847         // Rearrange shares to attachments
848         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism", "bb_rearrange_share",$Text);
849
850         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
851         if (!$tryoembed)
852                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
853
854         // Convert new line chars to html <br /> tags
855
856         // nlbr seems to be hopelessly messed up
857         //      $Text = nl2br($Text);
858
859         // We'll emulate it.
860
861         $Text = trim($Text);
862         $Text = str_replace("\r\n","\n", $Text);
863
864         // removing multiplicated newlines
865         if (get_config("system", "remove_multiplicated_lines")) {
866                 $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",
867                                 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n");
868                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
869                                 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]");
870                 do {
871                         $oldtext = $Text;
872                         $Text = str_replace($search, $replace, $Text);
873                 } while ($oldtext != $Text);
874         }
875
876         // Handle attached links or videos
877         $Text = bb_attachment($Text, $simplehtml, $tryoembed);
878
879         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
880
881         if($preserve_nl)
882                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
883
884         // Set up the parameters for a URL search string
885         $URLSearchString = "^\[\]";
886         // Set up the parameters for a MAIL search string
887         $MAILSearchString = $URLSearchString;
888
889         // Remove all hashtag addresses
890         if ((!$tryoembed OR $simplehtml) AND !in_array($simplehtml, array(3, 7)))
891                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
892         elseif ($simplehtml == 3)
893                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
894                         '$1<a href="$2">$3</a>',
895                         $Text);
896         elseif ($simplehtml == 7)
897                 $Text = preg_replace("/([@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
898                         '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
899                         $Text);
900
901
902         // Bookmarks in red - will be converted to bookmarks in friendica
903         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
904         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
905         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
906                                 "[bookmark=$1]$2[/bookmark]", $Text);
907
908         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
909                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
910                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
911                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
912         }
913
914         if ($simplehtml == 5)
915                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
916
917         // Perform URL Search
918         if ($tryoembed)
919                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
920
921         if ($simplehtml == 5)
922                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
923         else
924                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
925
926         // Handle Diaspora posts
927         $Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
928
929         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
930         if (!$forplaintext)
931                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
932         else {
933                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
934                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
935         }
936
937         if ($tryoembed)
938                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
939
940         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
941         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
942         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
943
944         // Red compatibility, though the link can't be authenticated on Friendica
945         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
946
947
948         // we may need to restrict this further if it picks up too many strays
949         // link acct:user@host to a webfinger profile redirector
950
951         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2"
952                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
953
954         // Perform MAIL Search
955         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
956         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
957
958         // leave open the posibility of [map=something]
959         // this is replaced in prepare_body() which has knowledge of the item location
960
961         if (strpos($Text,'[/map]') !== false) {
962                 $Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
963         }
964         if (strpos($Text,'[map=') !== false) {
965                 $Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
966         }
967         if (strpos($Text,'[map]') !== false) {
968                 $Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
969         }
970
971         // Check for headers
972         $Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism",'<h1>$1</h1>',$Text);
973         $Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism",'<h2>$1</h2>',$Text);
974         $Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism",'<h3>$1</h3>',$Text);
975         $Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism",'<h4>$1</h4>',$Text);
976         $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism",'<h5>$1</h5>',$Text);
977         $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism",'<h6>$1</h6>',$Text);
978
979         // Check for bold text
980         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
981
982         // Check for Italics text
983         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
984
985         // Check for Underline text
986         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
987
988         // Check for strike-through text
989         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
990
991         // Check for over-line text
992         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
993
994         // Check for colored text
995         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
996
997         // Check for sized text
998         // [size=50] --> font-size: 50px (with the unit).
999         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
1000         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
1001
1002         // Check for centered text
1003         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
1004
1005         // Check for list text
1006         $Text = str_replace("[*]", "<li>", $Text);
1007
1008         // Check for style sheet commands
1009         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
1010
1011         // Check for CSS classes
1012         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
1013
1014         // handle nested lists
1015         $endlessloop = 0;
1016
1017         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
1018                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
1019                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
1020                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
1021                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1022                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
1023                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1024                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
1025                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
1026                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
1027                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
1028                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
1029                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
1030                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
1031         }
1032
1033         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
1034         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
1035         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
1036         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
1037
1038         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
1039         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
1040
1041         $Text = str_replace('[hr]','<hr />', $Text);
1042
1043         // This is actually executed in prepare_body()
1044
1045         $Text = str_replace('[nosmile]','',$Text);
1046
1047         // Check for font change text
1048         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
1049
1050         // Declare the format for [code] layout
1051
1052 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
1053
1054         $CodeLayout = '<code>$1</code>';
1055         // Check for [code] text
1056         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
1057
1058         // Declare the format for [spoiler] layout
1059         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1060
1061         // Check for [spoiler] text
1062         // handle nested quotes
1063         $endlessloop = 0;
1064         while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20))
1065                 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text);
1066
1067         // Check for [spoiler=Author] text
1068
1069         $t_wrote = t('$1 wrote:');
1070
1071         // handle nested quotes
1072         $endlessloop = 0;
1073         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
1074                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1075                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1076                                      $Text);
1077
1078         // Declare the format for [quote] layout
1079         $QuoteLayout = '<blockquote>$1</blockquote>';
1080
1081         // Check for [quote] text
1082         // handle nested quotes
1083         $endlessloop = 0;
1084         while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20))
1085                 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text);
1086
1087         // Check for [quote=Author] text
1088
1089         $t_wrote = t('$1 wrote:');
1090
1091         // handle nested quotes
1092         $endlessloop = 0;
1093         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
1094                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1095                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1096                                      $Text);
1097
1098         // [img=widthxheight]image source[/img]
1099         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
1100         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1101         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1102
1103         // Images
1104         // [img]pathtoimage[/img]
1105         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1106         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1107
1108         // Shared content
1109         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1110                 function ($match) use ($simplehtml){
1111                         return(bb_ShareAttributes($match, $simplehtml));
1112                 },$Text);
1113
1114         $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);
1115         $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 />', $Text);
1116         //$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 />', $Text);
1117
1118
1119         // Try to Oembed
1120         if ($tryoembed) {
1121                 $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);
1122                 $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);
1123
1124                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
1125                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
1126         } else {
1127                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1128                                         '<a href="$1" target="_blank">$1</a>', $Text);
1129                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1130                                         '<a href="$1" target="_blank">$1</a>', $Text);
1131         }
1132
1133         // html5 video and audio
1134
1135
1136         if ($tryoembed)
1137                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1138         else
1139                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1140
1141         // Youtube extensions
1142         if ($tryoembed) {
1143                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1144                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1145                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1146         }
1147
1148         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1149         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1150         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1151
1152         if ($tryoembed)
1153                 $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);
1154         else
1155                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1156                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1157
1158         if ($tryoembed) {
1159                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1160                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text);
1161         }
1162
1163         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1164         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1165
1166         if ($tryoembed)
1167                 $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);
1168         else
1169                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1170                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1171
1172 //      $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);
1173
1174         // oembed tag
1175         $Text = oembed_bbcode2html($Text);
1176
1177         // Avoid triple linefeeds through oembed
1178         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1179
1180         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1181         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1182         // Summary (e.g. title) is required, earlier revisions only required description (in addition to 
1183         // start which is always required). Allow desc with a missing summary for compatibility.
1184
1185         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1186                 $sub = format_event_html($ev);
1187
1188                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1189                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1190                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text);
1191                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1192                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1193                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1194         }
1195
1196         // Unhide all [noparse] contained bbtags unspacefying them
1197         // and triming the [noparse] tag.
1198
1199         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1200         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1201         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1202
1203
1204         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1205         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1206         $Text = preg_replace('/\&quot\;/','"',$Text);
1207
1208         // fix any escaped ampersands that may have been converted into links
1209         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1210         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|gopher|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1211
1212         if($saved_image)
1213                 $Text = bb_replace_images($Text, $saved_image);
1214
1215         // Clean up the HTML by loading and saving the HTML with the DOM.
1216         // Bad structured html can break a whole page.
1217         // For performance reasons do it only with ativated item cache or at export.
1218         if (!$tryoembed OR (get_itemcachepath() != "")) {
1219                 $doc = new DOMDocument();
1220                 $doc->preserveWhiteSpace = false;
1221
1222                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1223
1224                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1225                 $encoding = '<?xml encoding="UTF-8">';
1226                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1227                 $doc->encoding = 'UTF-8';
1228                 $Text = $doc->saveHTML();
1229                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1230
1231                 $Text = str_replace('<br></li>','</li>', $Text);
1232
1233                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1234         }
1235
1236         // Clean up some useless linebreaks in lists
1237         //$Text = str_replace('<br /><ul','<ul ', $Text);
1238         //$Text = str_replace('</ul><br />','</ul>', $Text);
1239         //$Text = str_replace('</li><br />','</li>', $Text);
1240         //$Text = str_replace('<br /><li>','<li>', $Text);
1241         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1242
1243         call_hooks('bbcode',$Text);
1244
1245         return trim($Text);
1246 }
1247 ?>