]> git.mxchange.org Git - friendica.git/blob - include/bbcode.php
BBCode: Depending upon the image size of the preview picture for a link, the image...
[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[1];
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 = $matches[1];
66                         }
67
68                         if ($plaintext)
69                                 $text = sprintf('<a href="%s" target="_blank">%s</a>', $url, $title);
70                         else {
71                                 $text = sprintf('<span class="type-%s">', $type);
72
73                                 $bookmark = array(sprintf('[bookmark=%s]%s[/bookmark]', $url, $title), $url, $title);
74                                 if ($tryoembed)
75                                         $oembed = tryoembed($bookmark);
76                                 else
77                                         $oembed = $bookmark[0];
78
79                                 if (($image != "") AND !strstr(strtolower($oembed), "<img "))
80                                         $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $url, $image, $title);
81                                 elseif (($preview != "") AND !strstr(strtolower($oembed), "<img "))
82                                         $text .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a>', $url, $preview, $title);
83
84                                 $text .= $oembed;
85
86                                 $text .= sprintf('<blockquote>%s</blockquote></span>', trim($match[2]));
87                         }
88
89                         return($text);
90                 },$Text);
91
92         return($Text);
93 }
94
95 /* function bb_rearrange_link($shared) {
96         if ($shared[1] != "type-link")
97                 return($shared[0]);
98
99         $newshare = trim($shared[2]);
100         $newshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $newshare);
101
102         if (!strpos($shared[0], "[bookmark"))
103                 $newshare = preg_replace("/\[url\=(.*?)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $newshare, 1);
104
105         preg_match("/\[img\](.*?)\[\/img\]/ism", $newshare, $matches);
106
107         if ($matches) {
108                 $newshare = str_replace($matches[0], '', $newshare);
109                 $newshare = "[img]".$matches[1]."[/img]\n".$newshare;
110         }
111
112         $search = array("\n\n", "\n ", " \n");
113         $replace = array("\n", "\n", "\n");
114         do {
115                 $oldtext = $newshare;
116                 $newshare = str_replace($search, $replace, $newshare);
117         } while ($oldtext != $newshare);
118
119         $newshare = "[class=type-link]".$newshare."[/class]";
120
121         return($newshare);
122 } */
123
124 function bb_rearrange_share($shared) {
125         if (!in_array(strtolower($shared[2]), array("type-link", "type-audio", "type-video")))
126                 return($shared[0]);
127
128         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
129                 return($shared[0]);
130
131         $type = substr(trim(strtolower($shared[2])), 5);
132
133         $title = "";
134         $url = "";
135         $preview = "";
136         $description = "";
137
138         if (isset($bookmark[2][0]))
139                 $title = $bookmark[2][0];
140
141         if (isset($bookmark[1][0]))
142                 $url = $bookmark[1][0];
143
144         $cleanedshare = trim($shared[3]);
145         $cleanedshare = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $cleanedshare);
146         preg_match("/\[img\](.*?)\[\/img\]/ism", $cleanedshare, $matches);
147
148         if ($matches)
149                 $preview = trim($matches[1]);
150
151         preg_match("/\[quote\](.*?)\[\/quote\]/ism", $cleanedshare, $matches);
152         if ($matches)
153                 $description = trim($matches[1]);
154
155         $url = htmlentities($url, ENT_QUOTES, 'UTF-8', false);
156         $title = htmlentities($title, ENT_QUOTES, 'UTF-8', false);
157         $preview = htmlentities($preview, ENT_QUOTES, 'UTF-8', false);
158
159         $Text = trim($shared[1])."\n[attachment type='".$type."'";
160
161         if ($url != "")
162                 $Text .= " url='".$url."'";
163         if ($title != "")
164                 $Text .= " title='".$title."'";
165         if ($preview != "") {
166                 require_once("include/Photo.php");
167                 $picturedata = get_photo_info($preview);
168 //                echo $preview."*".print_r($picturedata, true)."*";
169                 if (count($picturedata) > 0) {
170                         // if the preview picture is larger than 500 pixels then show it in a larger mode
171                         // But only, if the picture isn't higher than large (To prevent huge posts)
172                         if (($picturedata[0] >= 500) AND ($picturedata[0] >= $picturedata[1]))
173                                 $Text .= " image='".$preview."'";
174                         else
175                                 $Text .= " preview='".$preview."'";
176                 } else
177                         $Text .= " preview='".$preview."'";
178         }
179         $Text .= "]".$description."[/attachment]";
180
181         return($Text);
182 }
183
184 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
185         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism",
186                 function ($match) use ($plaintext, $nolink){
187                         return(bb_cleanup_share($match, $plaintext, $nolink));
188                 },$Text);
189         return($Text);
190 }
191
192 function bb_cleanup_share($shared, $plaintext, $nolink) {
193         if (!in_array($shared[2], array("type-link", "type-video")))
194                 return($shared[0]);
195
196         if ($plaintext)
197                 $shared[3] = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism","[bookmark=$1]$1[/bookmark]", $shared[3]);
198
199         if (!preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",$shared[3], $bookmark))
200                 return($shared[0]);
201
202         if ($nolink)
203                 return(trim($shared[1]));
204
205         $title = "";
206         $link = "";
207
208         if (isset($bookmark[2][0]))
209                 $title = $bookmark[2][0];
210
211         if (isset($bookmark[1][0]))
212                 $link = $bookmark[1][0];
213
214         if (($title != "") AND (strpos($shared[1],$title) !== false))
215                 $title = "";
216
217 //        if (strpos($shared[1],$link) !== false)
218 //                $link = "";
219
220         $text = trim($shared[1]);
221
222         if (($text == "") AND ($title != "") AND ($link == ""))
223                 $text .= "\n\n".trim($title);
224
225         // If the link already is included in the post, don't add it again
226         if (($link != "") AND strpos($text, $link))
227                 return(trim($text));
228
229         if (($link != "") AND ($title != ""))
230                 $text .= "\n[url=".trim($link)."]".trim($title)."[/url]";
231         elseif (($link != ""))
232                 $text .= "\n".trim($link);
233
234         return(trim($text));
235 }
236
237
238 function bb_cleanstyle($st) {
239   return "<span style=\"".cleancss($st[1]).";\">".$st[2]."</span>";
240 }
241
242 function bb_cleanclass($st) {
243   return "<span class=\"".cleancss($st[1])."\">".$st[2]."</span>";
244 }
245
246 function cleancss($input) {
247
248         $cleaned = "";
249
250         $input = strtolower($input);
251
252         for ($i = 0; $i < strlen($input); $i++) {
253                 $char = substr($input, $i, 1);
254
255                 if (($char >= "a") and ($char <= "z"))
256                         $cleaned .= $char;
257
258                 if (!(strpos(" #;:0123456789-_", $char) === false))
259                         $cleaned .= $char;
260         }
261
262         return($cleaned);
263 }
264
265 function stripcode_br_cb($s) {
266         return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
267 }
268
269 function tryoembed($match){
270         //$url = ((count($match)==2)?$match[1]:$match[2]);
271         $url = $match[1];
272
273         // Always embed the SSL version
274         $url = str_replace(array("http://www.youtube.com/", "http://player.vimeo.com/"),
275                                 array("https://www.youtube.com/", "https://player.vimeo.com/"), $url);
276
277         //logger("tryoembed: $url");
278
279         $o = oembed_fetch_url($url);
280
281         if (isset($match[2]))
282                 $o->title = $match[2];
283
284         //echo "<pre>"; var_dump($match, $url, $o); killme();
285
286         if ($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 = '<div class="shared_header">';
531                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').$userid.':</b></span>';
532                         $headline .= "</div>";
533
534                         $text = trim($share[1]);
535
536                         if ($text != "")
537                                 $text .= "<hr />";
538
539                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
540
541                         if ($link != "")
542                                 $text .= '<br /><a href="'.$link.'">[l]</a>';
543                         break;
544                 case 4:
545                         $headline = '<div class="shared_header">';
546                         $headline .= '<span><b>'.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
547                         $headline .= sprintf(t('<a href="%1$s" target="_blank">%2$s</a> %3$s'), $link, $userid, $posted);
548                         $headline .= ":</b></span></div>";
549
550                         $text = trim($share[1]);
551
552                         if ($text != "")
553                                 $text .= "<hr />";
554
555                         $text .= $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote><br />";
556
557                         break;
558                 case 5:
559                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
560                         break;
561                 case 6: // app.net
562                         $text = $preshare."&gt;&gt; @".$userid_compact.": <br />".$share[3];
563                         break;
564                 case 7: // statusnet/GNU Social
565                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')." @".$userid_compact.": ".$share[3];
566                         break;
567                 case 8: // twitter
568                         $text = $preshare."RT @".$userid_compact.": ".$share[3];
569                         break;
570                 case 9: // Google+/Facebook
571                         $text = $preshare.html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8').' '.$userid_compact.": <br />".$share[3];
572
573                         if ($link != "")
574                                 $text .= "<br /><br />".$link;
575                         break;
576                 default:
577                         $headline = trim($share[1]).'<div class="shared_header">';
578                         if ($avatar != "")
579                                 $headline .= '<img src="'.$avatar.'" height="32" width="32" >';
580
581                         $headline .= sprintf(t('<span><a href="%s" target="_blank">%s</a> wrote the following <a href="%s" target="_blank">post</a>'.$reldate.':</span>'), $profile, $author, $link);
582                         $headline .= "</div>";
583                         $text = $headline.'<blockquote class="shared_content">'.trim($share[3])."</blockquote>";
584                         break;
585         }
586         return($text);
587 }
588
589 function GetProfileUsername($profile, $username, $compact = false) {
590
591         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
592         if ($twitter != $profile) {
593                 if ($compact)
594                         return($twitter);
595                 else
596                         return($username." (".$twitter.")");
597         }
598
599         $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
600         if ($appnet != $profile) {
601                 if ($compact)
602                         return($appnet);
603                 else
604                         return($username." (".$appnet.")");
605         }
606
607         $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
608         if ($gplus != $profile) {
609                 if ($compact)
610                         return($gplususername." (".$username.")");
611                 else
612                         return($username." (".$gplus.")");
613         }
614
615         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
616         if ($friendica != $profile) {
617                 if ($compact)
618                         return($friendica);
619                 else
620                         return($username." (".$friendica.")");
621         }
622
623         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
624         if ($diaspora != $profile) {
625                 if ($compact)
626                         return($diaspora);
627                 else
628                         return($username." (".$diaspora.")");
629         }
630
631         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
632         if ($StatusnetHost != $profile) {
633                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
634                 if ($StatusnetUser != $profile) {
635                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
636                         $user = json_decode($UserData);
637                         if ($user) {
638                                 if ($compact)
639                                         return($user->screen_name."@".$StatusnetHost);
640                                 else
641                                         return($username." (".$user->screen_name."@".$StatusnetHost.")");
642                         }
643                 }
644         }
645
646         // pumpio (http://host.name/user)
647         $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
648         if ($rest == "") {
649                 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
650                 if ($pumpio != $profile) {
651                         if ($compact)
652                                 return($pumpio);
653                         else
654                                 return($username." (".$pumpio.")");
655                 }
656         }
657
658         return($username);
659 }
660
661 function bb_RemovePictureLinks($match) {
662         $text = Cache::get($match[1]);
663
664         if(is_null($text)){
665                 $ch = @curl_init($match[1]);
666                 @curl_setopt($ch, CURLOPT_NOBODY, true);
667                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
668                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION.")");
669                 @curl_exec($ch);
670                 $curl_info = @curl_getinfo($ch);
671
672                 if (substr($curl_info["content_type"], 0, 6) == "image/")
673                         $text = "[url=".$match[1]."]".$match[1]."[/url]";
674                 else {
675                         $text = "[url=".$match[2]."]".$match[2]."[/url]";
676
677                         // if its not a picture then look if its a page that contains a picture link
678                         require_once("include/network.php");
679
680                         $body = fetch_url($match[1]);
681
682                         $doc = new DOMDocument();
683                         @$doc->loadHTML($body);
684                         $xpath = new DomXPath($doc);
685                         $list = $xpath->query("//meta[@name]");
686                         foreach ($list as $node) {
687                                 $attr = array();
688
689                                 if ($node->attributes->length)
690                                         foreach ($node->attributes as $attribute)
691                                                 $attr[$attribute->name] = $attribute->value;
692
693                                 if (strtolower($attr["name"]) == "twitter:image")
694                                         $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
695                         }
696                 }
697                 Cache::set($match[1],$text);
698         }
699         return($text);
700 }
701
702 function bb_expand_links($match) {
703         if (stristr($match[2], $match[3]) OR ($match[2] == $match[3]))
704                 return ($match[1]."[url]".$match[2]."[/url]");
705         else
706                 return ($match[1].$match[3]." [url]".$match[2]."[/url]");
707 }
708
709 function bb_CleanPictureLinksSub($match) {
710         $text = Cache::get($match[1]);
711
712         if(is_null($text)){
713                 $ch = @curl_init($match[1]);
714                 @curl_setopt($ch, CURLOPT_NOBODY, true);
715                 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
716                 @curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; ".FRIENDICA_PLATFORM." ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION.")");
717                 @curl_exec($ch);
718                 $curl_info = @curl_getinfo($ch);
719
720                 // if its a link to a picture then embed this picture
721                 if (substr($curl_info["content_type"], 0, 6) == "image/")
722                         $text = "[img]".$match[1]."[/img]";
723                 else {
724                         $text = "[img]".$match[2]."[/img]";
725
726                         // if its not a picture then look if its a page that contains a picture link
727                         require_once("include/network.php");
728
729                         $body = fetch_url($match[1]);
730
731                         $doc = new DOMDocument();
732                         @$doc->loadHTML($body);
733                         $xpath = new DomXPath($doc);
734                         $list = $xpath->query("//meta[@name]");
735                         foreach ($list as $node) {
736                                 $attr = array();
737
738                                 if ($node->attributes->length)
739                                         foreach ($node->attributes as $attribute)
740                                                 $attr[$attribute->name] = $attribute->value;
741
742                                 if (strtolower($attr["name"]) == "twitter:image")
743                                         $text = "[img]".$attr["content"]."[/img]";
744                         }
745                 }
746                 Cache::set($match[1],$text);
747         }
748         return($text);
749 }
750
751 function bb_CleanPictureLinks($text) {
752         $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
753         return ($text);
754 }
755
756         // BBcode 2 HTML was written by WAY2WEB.net
757         // extended to work with Mistpark/Friendica - Mike Macgirvin
758
759 function bbcode($Text,$preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false) {
760
761         $stamp1 = microtime(true);
762
763         $a = get_app();
764
765         // Hide all [noparse] contained bbtags by spacefying them
766         // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
767
768         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
769         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
770         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
771
772
773         // Move all spaces out of the tags
774         $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
775         $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
776
777         // Extract the private images which use data urls since preg has issues with
778         // large data sizes. Stash them away while we do bbcode conversion, and then put them back
779         // in after we've done all the regex matching. We cannot use any preg functions to do this.
780
781         $extracted = bb_extract_images($Text);
782         $Text = $extracted['body'];
783         $saved_image = $extracted['images'];
784
785         // If we find any event code, turn it into an event.
786         // After we're finished processing the bbcode we'll
787         // replace all of the event code with a reformatted version.
788
789         $ev = bbtoevent($Text);
790
791
792         // Replace any html brackets with HTML Entities to prevent executing HTML or script
793         // Don't use strip_tags here because it breaks [url] search by replacing & with amp
794
795         $Text = str_replace("<", "&lt;", $Text);
796         $Text = str_replace(">", "&gt;", $Text);
797
798         // remove some newlines before the general conversion
799         $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","[share$1]$2[/share]",$Text);
800         $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism","[quote$1]$2[/quote]",$Text);
801
802         $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
803         $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
804
805         // Rearrange shares to attachments
806         $Text = preg_replace_callback("((.*?)\[class=(.*?)\](.*?)\[\/class\])ism", "bb_rearrange_share",$Text);
807
808         // Handle attached links or videos
809         $Text = bb_attachment($Text, ($simplehtml != 4) AND ($simplehtml != 0), $tryoembed);
810
811         // Rearrange shared links
812 //      if (get_config("system", "rearrange_shared_links") AND (!$simplehtml OR $tryoembed))
813 //              $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_rearrange_link",$Text);
814
815         // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
816         if (!$tryoembed)
817                 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","\n[share$1$2]$3[/share]",$Text);
818
819         // Convert new line chars to html <br /> tags
820
821         // nlbr seems to be hopelessly messed up
822         //      $Text = nl2br($Text);
823
824         // We'll emulate it.
825
826         $Text = trim($Text);
827         $Text = str_replace("\r\n","\n", $Text);
828
829         // removing multiplicated newlines
830         if (get_config("system", "remove_multiplicated_lines")) {
831                 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ");
832                 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ");
833                 do {
834                         $oldtext = $Text;
835                         $Text = str_replace($search, $replace, $Text);
836                 } while ($oldtext != $Text);
837         }
838
839         $Text = str_replace(array("\r","\n"), array('<br />','<br />'), $Text);
840
841         if($preserve_nl)
842                 $Text = str_replace(array("\n","\r"), array('',''),$Text);
843
844
845
846         // Set up the parameters for a URL search string
847         $URLSearchString = "^\[\]";
848         // Set up the parameters for a MAIL search string
849         $MAILSearchString = $URLSearchString;
850
851         // Remove all hashtag addresses
852         if (!$tryoembed OR $simplehtml)
853                 $Text = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
854
855         // Bookmarks in red - will be converted to bookmarks in friendica
856         $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
857         $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
858         $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
859                                 "[bookmark=$1]$2[/bookmark]", $Text);
860
861         if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
862                 $Text = preg_replace_callback("/([^#@])\[url\=([^\]]*)\](.*?)\[\/url\]/ism","bb_expand_links",$Text);
863                 //$Text = preg_replace("/[^#@]\[url\=([^\]]*)\](.*?)\[\/url\]/ism",' $2 [url]$1[/url]',$Text);
864                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",' $2 [url]$1[/url]',$Text);
865         }
866
867         if ($simplehtml == 5)
868                 $Text = preg_replace("/[^#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
869
870         // Perform URL Search
871         if ($tryoembed)
872                 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'tryoembed',$Text);
873
874         if ($simplehtml == 5)
875                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url]$1[/url]',$Text);
876         else
877                 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
878
879         // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
880         if (!$forplaintext)
881                 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
882         else {
883                 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism"," $1 ",$Text);
884                 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
885         }
886
887         if ($tryoembed)
888                 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
889
890         $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
891         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
892         //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
893
894         // Red compatibility, though the link can't be authenticated on Friendica
895         $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
896
897
898         // we may need to restrict this further if it picks up too many strays
899         // link acct:user@host to a webfinger profile redirector
900
901         $Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', '<a href="' . $a->get_baseurl() . '/acctlink?addr=' . "$1@$2" 
902                 . '" target="extlink" >acct:' . "$1@$2$3" . '</a>',$Text);
903
904         // Perform MAIL Search
905         $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
906         $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
907
908         // Check for bold text
909         $Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
910
911         // Check for Italics text
912         $Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
913
914         // Check for Underline text
915         $Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
916
917         // Check for strike-through text
918         $Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
919
920         // Check for over-line text
921         $Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
922
923         // Check for colored text
924         $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
925
926         // Check for sized text
927         // [size=50] --> font-size: 50px (with the unit).
928         $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px; line-height: initial;\">$2</span>",$Text);
929         $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1; line-height: initial;\">$2</span>",$Text);
930
931         // Check for centered text
932         $Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
933
934         // Check for list text
935         $Text = str_replace("[*]", "<li>", $Text);
936
937         // Check for style sheet commands
938         $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism","bb_cleanstyle",$Text);
939
940         // Check for CSS classes
941         $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism","bb_cleanclass",$Text);
942
943         // handle nested lists
944         $endlessloop = 0;
945
946         while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
947                ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || 
948                ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) || 
949                ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
950                 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
951                 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>' ,$Text);
952                 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
953                 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism",'<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>' ,$Text);
954                 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>' ,$Text);
955                 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>' ,$Text);
956                 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>' ,$Text);
957                 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>' ,$Text);
958                 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
959                 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
960         }
961
962         $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
963         $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
964         $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
965         $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
966
967         $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
968         $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
969
970         $Text = str_replace('[hr]','<hr />', $Text);
971
972         // This is actually executed in prepare_body()
973
974         $Text = str_replace('[nosmile]','',$Text);
975
976         // Check for font change text
977         $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
978
979         // Declare the format for [code] layout
980
981 //      $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism",'stripcode_br_cb',$Text);
982
983         $CodeLayout = '<code>$1</code>';
984         // Check for [code] text
985         $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
986
987         // Declare the format for [spoiler] layout
988         $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
989
990         // Check for [spoiler] text
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","$SpoilerLayout", $Text);
995
996         // Check for [spoiler=Author] text
997
998         $t_wrote = t('$1 wrote:');
999
1000         // handle nested quotes
1001         $endlessloop = 0;
1002         while ((strpos($Text, "[/spoiler]")!== false)  and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20))
1003                 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1004                                      "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1005                                      $Text);
1006
1007         // Declare the format for [quote] layout
1008         $QuoteLayout = '<blockquote>$1</blockquote>';
1009
1010         // Check for [quote] text
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","$QuoteLayout", $Text);
1015
1016         // Check for [quote=Author] text
1017
1018         $t_wrote = t('$1 wrote:');
1019
1020         // handle nested quotes
1021         $endlessloop = 0;
1022         while ((strpos($Text, "[/quote]")!== false)  and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20))
1023                 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1024                                      "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1025                                      $Text);
1026
1027         // [img=widthxheight]image source[/img]
1028         //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
1029         $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1030         $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1031
1032         // Images
1033         // [img]pathtoimage[/img]
1034         $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1035         $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1036
1037         // Shared content
1038         $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1039                 function ($match) use ($simplehtml){
1040                         return(bb_ShareAttributes($match, $simplehtml));
1041                 },$Text);
1042
1043         $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);
1044         $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 />', $Text);
1045         //$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 />', $Text);
1046
1047
1048         // Try to Oembed
1049         if ($tryoembed) {
1050                 $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);
1051                 $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);
1052
1053                 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
1054                 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
1055         } else {
1056                 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1057                                         '<a href="$1" target="_blank">$1</a>', $Text);
1058                 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1059                                         '<a href="$1" target="_blank">$1</a>', $Text);
1060         }
1061
1062         // html5 video and audio
1063
1064
1065         if ($tryoembed)
1066                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1067         else
1068                 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1069
1070         // Youtube extensions
1071         if ($tryoembed) {
1072                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1073                 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);
1074                 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text);
1075         }
1076
1077         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1078         $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1079         $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
1080
1081         if ($tryoembed)
1082                 $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);
1083         else
1084                 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1085                                         '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1086
1087         if ($tryoembed) {
1088                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
1089                 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
1090         }
1091
1092         $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
1093         $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
1094
1095         if ($tryoembed)
1096                 $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);
1097         else
1098                 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1099                                         '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1100
1101 //      $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);
1102
1103
1104         // oembed tag
1105         $Text = oembed_bbcode2html($Text);
1106
1107         // Avoid triple linefeeds through oembed
1108         $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1109
1110         // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1111         // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1112         // Summary (e.g. title) is required, earlier revisions only required description (in addition to 
1113         // start which is always required). Allow desc with a missing summary for compatibility.
1114
1115         if((x($ev,'desc') || x($ev,'summary')) && x($ev,'start')) {
1116                 $sub = format_event_html($ev);
1117
1118                 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism",'',$Text);
1119                 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism",'',$Text);
1120                 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism",$sub,$Text); 
1121                 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism",'',$Text);
1122                 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism",'',$Text);
1123                 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism",'',$Text);
1124         }
1125
1126         // Unhide all [noparse] contained bbtags unspacefying them 
1127         // and triming the [noparse] tag.
1128
1129         $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
1130         $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
1131         $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
1132
1133
1134         $Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);
1135         $Text = preg_replace('/\&\#039\;/','\'',$Text);
1136         $Text = preg_replace('/\&quot\;/','"',$Text);
1137
1138         // fix any escaped ampersands that may have been converted into links
1139         $Text = preg_replace("/\<([^>]*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text);
1140         $Text = preg_replace("/\<([^>]*?)(src|href)=\"(?!http|ftp|mailto|cid)(.*?)\>/ism",'<$1$2="">',$Text);
1141
1142         if($saved_image)
1143                 $Text = bb_replace_images($Text, $saved_image);
1144
1145         // Clean up the HTML by loading and saving the HTML with the DOM.
1146         // Bad structured html can break a whole page.
1147         // For performance reasons do it only with ativated item cache or at export.
1148         if (!$tryoembed OR (get_itemcachepath() != "")) {
1149                 $doc = new DOMDocument();
1150                 $doc->preserveWhiteSpace = false;
1151
1152                 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1153
1154                 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1155                 $encoding = '<?xml encoding="UTF-8">';
1156                 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1157                 $doc->encoding = 'UTF-8';
1158                 $Text = $doc->saveHTML();
1159                 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1160
1161                 $Text = str_replace('<br></li>','</li>', $Text);
1162
1163                 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1164         }
1165
1166         // Clean up some useless linebreaks in lists
1167         //$Text = str_replace('<br /><ul','<ul ', $Text);
1168         //$Text = str_replace('</ul><br />','</ul>', $Text);
1169         //$Text = str_replace('</li><br />','</li>', $Text);
1170         //$Text = str_replace('<br /><li>','<li>', $Text);
1171         //      $Text = str_replace('<br /><ul','<ul ', $Text);
1172
1173         // Remove all hashtag addresses
1174 /*      if (!$tryoembed AND get_config("system", "remove_hashtags_on_export")) {
1175                 $pattern = '/#<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
1176                 $Text = preg_replace($pattern, '#$2', $Text);
1177         }
1178 */
1179         call_hooks('bbcode',$Text);
1180
1181         $a->save_timestamp($stamp1, "parser");
1182
1183         return $Text;
1184 }
1185 ?>