3 * @file include/bbcode.php
6 use Friendica\Content\Smilies;
7 use Friendica\Content\OEmbed;
8 use Friendica\Content\Text\BBCode;
9 use Friendica\Core\Addon;
10 use Friendica\Core\Cache;
11 use Friendica\Core\L10n;
12 use Friendica\Core\System;
13 use Friendica\Core\Config;
14 use Friendica\Model\Contact;
15 use Friendica\Util\Map;
17 require_once 'include/event.php';
18 require_once 'mod/proxy.php';
20 function bb_PictureCacheExt($matches) {
21 if (strpos($matches[3], "data:image/") === 0) {
25 $matches[3] = proxy_url($matches[3]);
26 return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
29 function bb_PictureCache($matches) {
30 if (strpos($matches[1], "data:image/") === 0) {
34 $matches[1] = proxy_url($matches[1]);
35 return "[img]" . $matches[1] . "[/img]";
38 function bb_map_coords($match) {
39 // the extra space in the following line is intentional
40 return str_replace($match[0], '<div class="map" >' . Map::byCoordinates(str_replace('/', ' ', $match[1])) . '</div>', $match[0]);
42 function bb_map_location($match) {
43 // the extra space in the following line is intentional
44 return str_replace($match[0], '<div class="map" >' . Map::byLocation($match[1]) . '</div>', $match[0]);
48 * Processes [attachment] tags
50 * Note: Can produce a [bookmark] tag in the returned string
52 * @brief Processes [attachment] tags
53 * @param string $return
54 * @param bool|int $simplehtml
55 * @param bool $tryoembed
58 function bb_attachment($return, $simplehtml = false, $tryoembed = true)
60 $data = BBCode::getAttachmentData($return);
65 if (isset($data["title"])) {
66 $data["title"] = strip_tags($data["title"]);
67 $data["title"] = str_replace(["http://", "https://"], "", $data["title"]);
70 if (((strpos($data["text"], "[img=") !== false) || (strpos($data["text"], "[img]") !== false) || Config::get('system', 'always_show_preview')) && ($data["image"] != "")) {
71 $data["preview"] = $data["image"];
76 if ($simplehtml == 7) {
77 $return = style_url_for_mastodon($data["url"]);
78 } elseif (($simplehtml != 4) && ($simplehtml != 0)) {
79 $return = sprintf('<a href="%s" target="_blank">%s</a><br>', $data["url"], $data["title"]);
82 if ($tryoembed && OEmbed::isAllowedURL($data['url'])) {
83 $return = OEmbed::getHTML($data['url'], $data['title']);
85 throw new Exception('OEmbed is disabled for this attachment.');
87 } catch (Exception $e) {
88 if ($simplehtml != 4) {
89 $return = sprintf('<div class="type-%s">', $data["type"]);
92 if ($data["image"] != "") {
93 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], proxy_url($data["image"]), $data["title"]);
94 } elseif ($data["preview"] != "") {
95 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], proxy_url($data["preview"]), $data["title"]);
98 if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
99 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data["url"], proxy_url($data["image"]), $data["title"]);
101 $return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
104 if ($data["description"] != "" && $data["description"] != $data["title"]) {
105 $return .= sprintf('<blockquote>%s</blockquote>', trim(bbcode($data["description"])));
108 if ($data["type"] == "link") {
109 $return .= sprintf('<sup><a href="%s">%s</a></sup>', $data['url'], parse_url($data['url'], PHP_URL_HOST));
112 if ($simplehtml != 4) {
118 return trim($data["text"] . ' ' . $return . ' ' . $data["after"]);
121 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
123 $data = BBCode::getAttachmentData($Text);
128 return $data["text"] . $data["after"];
131 $title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
132 $text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
133 if ($plaintext || (($title != "") && strstr($text, $title))) {
134 $data["title"] = $data["url"];
135 } elseif (($text != "") && strstr($title, $text)) {
136 $data["text"] = $data["title"];
137 $data["title"] = $data["url"];
140 if (($data["text"] == "") && ($data["title"] != "") && ($data["url"] == "")) {
141 return $data["title"] . $data["after"];
144 // If the link already is included in the post, don't add it again
145 if (($data["url"] != "") && strpos($data["text"], $data["url"])) {
146 return $data["text"] . $data["after"];
149 $text = $data["text"];
151 if (($data["url"] != "") && ($data["title"] != "")) {
152 $text .= "\n[url=" . $data["url"] . "]" . $data["title"] . "[/url]";
153 } elseif (($data["url"] != "")) {
154 $text .= "\n" . $data["url"];
157 return $text . "\n" . $data["after"];
160 function bb_cleanstyle($st) {
161 return "<span style=\"" . cleancss($st[1]) . ";\">" . $st[2] . "</span>";
164 function bb_cleanclass($st) {
165 return "<span class=\"" . cleancss($st[1]) . "\">" . $st[2] . "</span>";
168 function cleancss($input) {
172 $input = strtolower($input);
174 for ($i = 0; $i < strlen($input); $i++) {
175 $char = substr($input, $i, 1);
177 if (($char >= "a") && ($char <= "z")) {
181 if (!(strpos(" #;:0123456789-_.%", $char) === false)) {
190 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
191 * @param array $match Array with the matching values
192 * @return string reformatted link including HTML codes
194 function bb_style_url($match) {
197 if (isset($match[2]) && ($match[1] != $match[2])) {
201 $parts = parse_url($url);
202 if (!isset($parts['scheme'])) {
206 return style_url_for_mastodon($url);
210 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon and GNU Social.
211 * @param string $url URL that is about to be reformatted
212 * @return string reformatted link including HTML codes
214 function style_url_for_mastodon($url) {
217 $parts = parse_url($url);
218 $scheme = $parts['scheme'].'://';
219 $styled_url = str_replace($scheme, '', $styled_url);
221 $html = '<a href="%s" class="attachment" rel="nofollow noopener" target="_blank">'.
222 '<span class="invisible">%s</span>';
224 if (strlen($styled_url) > 30) {
225 $html .= '<span class="ellipsis">%s</span>'.
226 '<span class="invisible">%s</span></a>';
228 $ellipsis = substr($styled_url, 0, 30);
229 $rest = substr($styled_url, 30);
230 return sprintf($html, $url, $scheme, $ellipsis, $rest);
233 return sprintf($html, $url, $scheme, $styled_url);
237 function stripcode_br_cb($s) {
238 return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
242 * [noparse][i]italic[/i][/noparse] turns into
243 * [noparse][ i ]italic[ /i ][/noparse],
244 * to hide them from parser.
246 function bb_spacefy($st) {
247 $whole_match = $st[0];
249 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
250 $new_str = str_replace($captured, $spacefied, $whole_match);
255 * The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
256 * now turns back and the [noparse] tags are trimed
257 * returning [i]italic[/i]
259 function bb_unspacefy_and_trim($st) {
261 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
265 function bb_find_open_close($s, $open, $close, $occurence = 1) {
266 if ($occurence < 1) {
271 for ($i = 1; $i <= $occurence; $i++) {
272 if ($start_pos !== false) {
273 $start_pos = strpos($s, $open, $start_pos + 1);
277 if ($start_pos === false) {
281 $end_pos = strpos($s, $close, $start_pos);
283 if ($end_pos === false) {
287 $res = [ 'start' => $start_pos, 'end' => $end_pos ];
292 function get_bb_tag_pos($s, $name, $occurence = 1) {
293 if ($occurence < 1) {
298 for ($i = 1; $i <= $occurence; $i++) {
299 if ($start_open !== false) {
300 $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
304 if ($start_open === false) {
308 $start_equal = strpos($s, '=', $start_open);
309 $start_close = strpos($s, ']', $start_open);
311 if ($start_close === false) {
317 $end_open = strpos($s, '[/' . $name . ']', $start_close);
319 if ($end_open === false) {
325 'open' => $start_open,
326 'close' => $start_close
330 'close' => $end_open + strlen('[/' . $name . ']')
334 if ($start_equal !== false) {
335 $res['start']['equal'] = $start_equal + 1;
341 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
346 $pos = get_bb_tag_pos($string, $name, $occurence);
347 while ($pos !== false && $occurence < 1000) {
348 $start = substr($string, 0, $pos['start']['open']);
349 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
350 $end = substr($string, $pos['end']['close']);
351 if ($end === false) {
355 $subject = preg_replace($pattern, $replace, $subject);
356 $string = $start . $subject . $end;
359 $pos = get_bb_tag_pos($string, $name, $occurence);
365 function bb_extract_images($body) {
372 $img_start = strpos($orig_body, '[img');
373 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
374 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
375 while (($img_st_close !== false) && ($img_end !== false)) {
377 $img_st_close++; // make it point to AFTER the closing bracket
378 $img_end += $img_start;
380 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
381 // This is an embedded image
383 $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
384 $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
388 $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
391 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
393 if ($orig_body === false) {
394 // in case the body ends on a closing image tag
398 $img_start = strpos($orig_body, '[img');
399 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
400 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
403 $new_body = $new_body . $orig_body;
405 return ['body' => $new_body, 'images' => $saved_image];
408 function bb_replace_images($body, $images) {
413 foreach ($images as $image) {
414 // We're depending on the property of 'foreach' (specified on the PHP website) that
415 // it loops over the array starting from the first element and going sequentially
416 // to the last element
417 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . proxy_url($image) .'" alt="' . L10n::t('Image/photo') . '" />', $newbody);
425 * Processes [share] tags
427 * Note: Can produce a [bookmark] tag in the output
429 * @brief Processes [share] tags
430 * @param array $share preg_match_callback result array
431 * @param bool|int $simplehtml
434 function bb_ShareAttributes($share, $simplehtml)
436 $attributes = $share[2];
439 preg_match("/author='(.*?)'/ism", $attributes, $matches);
440 if (x($matches, 1)) {
441 $author = html_entity_decode($matches[1], ENT_QUOTES, 'UTF-8');
444 preg_match('/author="(.*?)"/ism', $attributes, $matches);
445 if (x($matches, 1)) {
446 $author = $matches[1];
450 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
451 if (x($matches, 1)) {
452 $profile = $matches[1];
455 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
456 if (x($matches, 1)) {
457 $profile = $matches[1];
461 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
462 if (x($matches, 1)) {
463 $avatar = $matches[1];
466 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
467 if (x($matches, 1)) {
468 $avatar = $matches[1];
472 preg_match("/link='(.*?)'/ism", $attributes, $matches);
473 if (x($matches, 1)) {
477 preg_match('/link="(.*?)"/ism', $attributes, $matches);
478 if (x($matches, 1)) {
484 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
485 if (x($matches, 1)) {
486 $posted = $matches[1];
489 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
490 if (x($matches, 1)) {
491 $posted = $matches[1];
494 // We only call this so that a previously unknown contact can be added.
495 // This is important for the function "get_contact_details_by_url".
496 // This function then can fetch an entry from the contact table.
497 Contact::getIdForURL($profile, 0);
499 $data = Contact::getDetailsByURL($profile);
501 if (x($data, "name") && x($data, "addr")) {
502 $userid_compact = $data["name"] . " (" . $data["addr"] . ")";
504 $userid_compact = GetProfileUsername($profile, $author, true);
507 if (x($data, "addr")) {
508 $userid = $data["addr"];
510 $userid = GetProfileUsername($profile, $author, false);
513 if (x($data, "name")) {
514 $author = $data["name"];
517 if (x($data, "micro")) {
518 $avatar = $data["micro"];
521 $preshare = trim($share[1]);
522 if ($preshare != "") {
523 $preshare .= "<br />";
526 switch ($simplehtml) {
528 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' <a href="' . $profile . '">' . $userid . "</a>: <br />»" . $share[3] . "«";
531 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
534 $headline .= '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
536 $text = trim($share[1]);
542 if (stripos(normalise_link($link), 'http://twitter.com/') === 0) {
543 $text .= $headline . '<blockquote>' . trim($share[3]) . "</blockquote><br />";
546 $text .= '<br /><a href="' . $link . '">[l]</a>';
549 $text .= '<br /><a href="' . $link . '">' . $link . '</a>';
554 $headline .= '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
555 $headline .= L10n::t('<a href="%1$s" target="_blank">%2$s</a> %3$s', $link, $userid, $posted);
556 $headline .= ":</b><br />";
558 $text = trim($share[1]);
564 $text .= $headline . '<blockquote class="shared_content">' . trim($share[3]) . "</blockquote><br />";
568 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
571 $text = $preshare . ">> @" . $userid_compact . ": <br />" . $share[3];
573 case 7: // statusnet/GNU Social
574 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . " @" . $userid_compact . ": " . $share[3];
577 $text = $preshare . "RT @" . $userid_compact . ": " . $share[3];
579 case 9: // Google+/Facebook
580 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
583 $text .= "<br /><br />" . $link;
587 // Transforms quoted tweets in rich attachments to avoid nested tweets
588 if (stripos(normalise_link($link), 'http://twitter.com/') === 0 && OEmbed::isAllowedURL($link)) {
590 $oembed = OEmbed::getHTML($link, $preshare);
591 } catch (Exception $e) {
592 $oembed = sprintf('[bookmark=%s]%s[/bookmark]', $link, $preshare);
595 $text = $preshare . $oembed;
597 $text = trim($share[1]) . "\n";
599 $avatar = proxy_url($avatar, false, PROXY_SIZE_THUMB);
601 $tpl = get_markup_template('shared_content.tpl');
602 $text .= replace_macros($tpl, [
603 '$profile' => $profile,
604 '$avatar' => $avatar,
605 '$author' => $author,
607 '$posted' => $posted,
608 '$content' => trim($share[3])
617 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
619 $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
620 if ($twitter != $profile) {
622 return NETWORK_TWITTER;
623 } elseif ($compact) {
626 return ($username . " (" . $twitter . ")");
630 $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
631 if ($appnet != $profile) {
633 return NETWORK_APPNET;
634 } elseif ($compact) {
637 return ($username . " (" . $appnet . ")");
641 $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
642 if ($gplus != $profile) {
644 return NETWORK_GPLUS;
645 } elseif ($compact) {
646 return ($gplususername . " (" . $username . ")");
648 return ($username . " (" . $gplus . ")");
652 $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
653 if ($friendica != $profile) {
656 } elseif ($compact) {
659 return ($username . " (" . $friendica . ")");
663 $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
664 if ($diaspora != $profile) {
666 return NETWORK_DIASPORA;
667 } elseif ($compact) {
670 return ($username . " (" . $diaspora . ")");
674 $red = preg_replace("=https?://(.*)/channel/(.*)=ism", "$2@$1", $profile);
675 if ($red != $profile) {
677 // red is identified as Diaspora - friendica can't connect directly to it
678 return NETWORK_DIASPORA;
679 } elseif ($compact) {
682 return ($username . " (" . $red . ")");
686 $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
687 if ($StatusnetHost != $profile) {
688 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
689 if ($StatusnetUser != $profile) {
690 /// @TODO Some hosts run on https, not just http and sometimes http is disabled, let's support both here
691 $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
692 $user = json_decode($UserData);
695 return NETWORK_STATUSNET;
696 } elseif ($compact) {
697 return ($user->screen_name . "@" . $StatusnetHost);
699 return ($username . " (" . $user->screen_name . "@" . $StatusnetHost . ")");
705 // pumpio (http://host.name/user)
706 $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
708 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
709 if ($pumpio != $profile) {
711 return NETWORK_PUMPIO;
712 } elseif ($compact) {
715 return ($username . " (" . $pumpio . ")");
723 function bb_DiasporaLinks($match) {
724 return "[url=".System::baseUrl()."/display/".$match[1]."]".$match[2]."[/url]";
727 function bb_RemovePictureLinks($match) {
728 $text = Cache::get($match[1]);
730 if (is_null($text)) {
733 $stamp1 = microtime(true);
735 $ch = @curl_init($match[1]);
736 @curl_setopt($ch, CURLOPT_NOBODY, true);
737 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
738 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
740 $curl_info = @curl_getinfo($ch);
742 $a->save_timestamp($stamp1, "network");
744 if (substr($curl_info["content_type"], 0, 6) == "image/")
745 $text = "[url=".$match[1]."]".$match[1]."[/url]";
747 $text = "[url=".$match[2]."]".$match[2]."[/url]";
749 // if its not a picture then look if its a page that contains a picture link
750 require_once("include/network.php");
752 $body = fetch_url($match[1]);
754 $doc = new DOMDocument();
755 @$doc->loadHTML($body);
756 $xpath = new DomXPath($doc);
757 $list = $xpath->query("//meta[@name]");
758 foreach ($list as $node) {
761 if ($node->attributes->length)
762 foreach ($node->attributes as $attribute)
763 $attr[$attribute->name] = $attribute->value;
765 if (strtolower($attr["name"]) == "twitter:image")
766 $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
769 Cache::set($match[1],$text);
775 function bb_expand_links($match) {
776 if (($match[3] == "") || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
777 return ($match[1] . "[url]" . $match[2] . "[/url]");
779 return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
783 function bb_CleanPictureLinksSub($match) {
784 $text = Cache::get($match[1]);
786 if (is_null($text)) {
789 $stamp1 = microtime(true);
791 $ch = @curl_init($match[1]);
792 @curl_setopt($ch, CURLOPT_NOBODY, true);
793 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
794 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
796 $curl_info = @curl_getinfo($ch);
798 $a->save_timestamp($stamp1, "network");
800 // if its a link to a picture then embed this picture
801 if (substr($curl_info["content_type"], 0, 6) == "image/")
802 $text = "[img]".$match[1]."[/img]";
804 $text = "[img]".$match[2]."[/img]";
806 // if its not a picture then look if its a page that contains a picture link
807 require_once("include/network.php");
809 $body = fetch_url($match[1]);
811 $doc = new DOMDocument();
812 @$doc->loadHTML($body);
813 $xpath = new DomXPath($doc);
814 $list = $xpath->query("//meta[@name]");
815 foreach ($list as $node) {
818 if ($node->attributes->length)
819 foreach ($node->attributes as $attribute)
820 $attr[$attribute->name] = $attribute->value;
822 if (strtolower($attr["name"]) == "twitter:image")
823 $text = "[img]".$attr["content"]."[/img]";
826 Cache::set($match[1],$text);
832 function bb_CleanPictureLinks($text) {
833 $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
837 function bb_highlight($match) {
838 if (in_array(strtolower($match[1]), ['php', 'css', 'mysql', 'sql', 'abap', 'diff', 'html', 'perl', 'ruby',
839 'vbscript', 'avrc', 'dtd', 'java', 'xml', 'cpp', 'python', 'javascript', 'js', 'sh'])) {
840 return text_highlight($match[2], strtolower($match[1]));
846 * @brief Converts a BBCode message to HTML message
848 * BBcode 2 HTML was written by WAY2WEB.net
849 * extended to work with Mistpark/Friendica - Mike Macgirvin
851 * Simple HTML values meaning:
852 * - 0: Friendica display
854 * - 2: Used for Facebook, Google+, Windows Phone push, Friendica API
855 * - 3: Used before converting to Markdown in bb2diaspora.php
856 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
858 * - 6: Used for Appnet
859 * - 7: Used for dfrn, OStatus
860 * - 8: Used for WP backlink text setting
862 * @staticvar array $allowed_src_protocols
863 * @param string $Text
864 * @param bool $preserve_nl
865 * @param bool $tryoembed
866 * @param int $simplehtml
867 * @param bool $forplaintext
870 function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false)
875 * preg_match_callback function to replace potential Oembed tags with Oembed content
877 * $match[0] = [tag]$url[/tag] or [tag=$url]$title[/tag]
879 * $match[2] = $title or absent
881 $tryoembed_callback = function ($match)
884 $title = defaults($match, 2, null);
887 $return = OEmbed::getHTML($url, $title);
888 } catch (Exception $ex) {
895 // Hide all [noparse] contained bbtags by spacefying them
896 // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
898 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy', $Text);
899 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy', $Text);
900 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy', $Text);
902 // Remove the abstract element. It is a non visible element.
903 $Text = remove_abstract($Text);
905 // Move all spaces out of the tags
906 $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
907 $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
909 // Extract the private images which use data urls since preg has issues with
910 // large data sizes. Stash them away while we do bbcode conversion, and then put them back
911 // in after we've done all the regex matching. We cannot use any preg functions to do this.
913 $extracted = bb_extract_images($Text);
914 $Text = $extracted['body'];
915 $saved_image = $extracted['images'];
917 // If we find any event code, turn it into an event.
918 // After we're finished processing the bbcode we'll
919 // replace all of the event code with a reformatted version.
921 $ev = bbtoevent($Text);
923 // Replace any html brackets with HTML Entities to prevent executing HTML or script
924 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
926 $Text = str_replace("<", "<", $Text);
927 $Text = str_replace(">", ">", $Text);
929 // remove some newlines before the general conversion
930 $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "[share$1]$2[/share]", $Text);
931 $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism", "[quote$1]$2[/quote]", $Text);
933 $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
934 $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
936 // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
938 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $Text);
941 // Check for [code] text here, before the linefeeds are messed with.
942 // The highlighter will unescape and re-escape the content.
943 if (strpos($Text, '[code=') !== false) {
944 $Text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'bb_highlight', $Text);
946 // Convert new line chars to html <br /> tags
948 // nlbr seems to be hopelessly messed up
949 // $Text = nl2br($Text);
954 $Text = str_replace("\r\n", "\n", $Text);
956 // removing multiplicated newlines
957 if (Config::get("system", "remove_multiplicated_lines")) {
958 $search = ["\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
959 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n"];
960 $replace = ["\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
961 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]"];
964 $Text = str_replace($search, $replace, $Text);
965 } while ($oldtext != $Text);
968 // Set up the parameters for a URL search string
969 $URLSearchString = "^\[\]";
970 // Set up the parameters for a MAIL search string
971 $MAILSearchString = $URLSearchString;
973 // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
974 if (!$forplaintext) {
975 // Autolink feature (thanks to http://code.seebz.net/p/autolink-php/)
976 // Currently disabled, since the function is too greedy
977 // $autolink_regex = "`([^\]\=\"']|^)(https?\://[^\s<]+[^\s<\.\)])`ism";
978 $autolink_regex = "/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism";
979 $Text = preg_replace($autolink_regex, '$1[url]$2[/url]', $Text);
980 if ($simplehtml == 7) {
981 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
982 $Text = preg_replace_callback("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
985 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism", " $1 ", $Text);
986 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
990 // Handle attached links or videos
991 $Text = bb_attachment($Text, $simplehtml, $tryoembed);
993 $Text = str_replace(["\r","\n"], ['<br />', '<br />'], $Text);
996 $Text = str_replace(["\n", "\r"], ['', ''], $Text);
999 // Remove all hashtag addresses
1000 if ((!$tryoembed || $simplehtml) && !in_array($simplehtml, [3, 7])) {
1001 $Text = preg_replace("/([#@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
1002 } elseif ($simplehtml == 3) {
1003 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1004 '$1<a href="$2">$3</a>',
1006 } elseif ($simplehtml == 7) {
1007 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1008 '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
1010 } elseif (!$simplehtml) {
1011 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1012 '$1<a href="$2" class="userinfo mention" title="$3">$3</a>',
1016 // Bookmarks in red - will be converted to bookmarks in friendica
1017 $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
1018 $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
1019 $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
1020 "[bookmark=$1]$2[/bookmark]", $Text);
1022 if (in_array($simplehtml, [2, 6, 7, 8, 9])) {
1023 $Text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", "bb_expand_links", $Text);
1024 //$Text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $Text);
1025 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]',$Text);
1028 if ($simplehtml == 5) {
1029 $Text = preg_replace("/[^#@!]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
1032 // Perform URL Search
1034 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $tryoembed_callback, $Text);
1037 if ($simplehtml == 5) {
1038 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url]$1[/url]', $Text);
1040 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $Text);
1043 // Handle Diaspora posts
1044 $Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
1046 // Server independent link to posts and comments
1047 // See issue: https://github.com/diaspora/diaspora_federation/issues/75
1048 $expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
1049 $Text = preg_replace($expression, System::baseUrl()."/display/$1", $Text);
1051 $Text = preg_replace("/([#])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1052 '$1<a href="' . System::baseUrl() . '/search?tag=$3" class="tag" title="$3">$3</a>', $Text);
1054 $Text = preg_replace("/\[url\=([$URLSearchString]*)\]#(.*?)\[\/url\]/ism",
1055 '#<a href="' . System::baseUrl() . '/search?tag=$2" class="tag" title="$2">$2</a>', $Text);
1057 $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
1058 $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1059 //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1061 // Red compatibility, though the link can't be authenticated on Friendica
1062 $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1065 // we may need to restrict this further if it picks up too many strays
1066 // link acct:user@host to a webfinger profile redirector
1068 $Text = preg_replace('/acct:([^@]+)@((?!\-)(?:[a-zA-Z\d\-]{0,62}[a-zA-Z\d]\.){1,126}(?!\d+)[a-zA-Z\d]{1,63})/', '<a href="' . System::baseUrl() . '/acctlink?addr=$1@$2" target="extlink">acct:$1@$2</a>', $Text);
1070 // Perform MAIL Search
1071 $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
1072 $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
1074 // leave open the posibility of [map=something]
1075 // this is replaced in prepare_body() which has knowledge of the item location
1077 if (strpos($Text, '[/map]') !== false) {
1078 $Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
1080 if (strpos($Text, '[map=') !== false) {
1081 $Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
1083 if (strpos($Text, '[map]') !== false) {
1084 $Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
1087 // Check for headers
1088 $Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism", '<h1>$1</h1>', $Text);
1089 $Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism", '<h2>$1</h2>', $Text);
1090 $Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism", '<h3>$1</h3>', $Text);
1091 $Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism", '<h4>$1</h4>', $Text);
1092 $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism", '<h5>$1</h5>', $Text);
1093 $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism", '<h6>$1</h6>', $Text);
1095 // Check for paragraph
1096 $Text = preg_replace("(\[p\](.*?)\[\/p\])ism", '<p>$1</p>', $Text);
1098 // Check for bold text
1099 $Text = preg_replace("(\[b\](.*?)\[\/b\])ism", '<strong>$1</strong>', $Text);
1101 // Check for Italics text
1102 $Text = preg_replace("(\[i\](.*?)\[\/i\])ism", '<em>$1</em>', $Text);
1104 // Check for Underline text
1105 $Text = preg_replace("(\[u\](.*?)\[\/u\])ism", '<u>$1</u>', $Text);
1107 // Check for strike-through text
1108 $Text = preg_replace("(\[s\](.*?)\[\/s\])ism", '<strike>$1</strike>', $Text);
1110 // Check for over-line text
1111 $Text = preg_replace("(\[o\](.*?)\[\/o\])ism", '<span class="overline">$1</span>', $Text);
1113 // Check for colored text
1114 $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "<span style=\"color: $1;\">$2</span>", $Text);
1116 // Check for sized text
1117 // [size=50] --> font-size: 50px (with the unit).
1118 $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1px; line-height: initial;\">$2</span>", $Text);
1119 $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1; line-height: initial;\">$2</span>", $Text);
1121 // Check for centered text
1122 $Text = preg_replace("(\[center\](.*?)\[\/center\])ism", "<div style=\"text-align:center;\">$1</div>", $Text);
1124 // Check for list text
1125 $Text = str_replace("[*]", "<li>", $Text);
1127 // Check for style sheet commands
1128 $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism", "bb_cleanstyle", $Text);
1130 // Check for CSS classes
1131 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism", "bb_cleanclass", $Text);
1133 // handle nested lists
1136 while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
1137 ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
1138 ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
1139 ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
1140 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
1141 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $Text);
1142 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $Text);
1143 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism", '<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>', $Text);
1144 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>', $Text);
1145 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>', $Text);
1146 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>', $Text);
1147 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
1148 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $Text);
1149 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $Text);
1152 $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $Text);
1153 $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>', $Text);
1154 $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>', $Text);
1155 $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>', $Text);
1157 $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>', $Text);
1158 $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>', $Text);
1160 $Text = str_replace('[hr]', '<hr />', $Text);
1162 // This is actually executed in prepare_body()
1164 $Text = str_replace('[nosmile]', '', $Text);
1166 // Check for font change text
1167 $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $Text);
1169 // Declare the format for [code] layout
1171 // $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism", 'stripcode_br_cb', $Text);
1173 $CodeLayout = '<code>$1</code>';
1174 // Check for [code] text
1175 $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism", "$CodeLayout", $Text);
1177 // Declare the format for [spoiler] layout
1178 $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1180 // Check for [spoiler] text
1181 // handle nested quotes
1183 while ((strpos($Text, "[/spoiler]") !== false) && (strpos($Text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
1184 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", "$SpoilerLayout", $Text);
1187 // Check for [spoiler=Author] text
1189 $t_wrote = L10n::t('$1 wrote:');
1191 // handle nested quotes
1193 while ((strpos($Text, "[/spoiler]")!== false) && (strpos($Text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
1194 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1195 "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1199 // Declare the format for [quote] layout
1200 $QuoteLayout = '<blockquote>$1</blockquote>';
1202 // Check for [quote] text
1203 // handle nested quotes
1205 while ((strpos($Text, "[/quote]") !== false) && (strpos($Text, "[quote]") !== false) && (++$endlessloop < 20)) {
1206 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $Text);
1209 // Check for [quote=Author] text
1211 $t_wrote = L10n::t('$1 wrote:');
1213 // handle nested quotes
1215 while ((strpos($Text, "[/quote]")!== false) && (strpos($Text, "[quote=") !== false) && (++$endlessloop < 20)) {
1216 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1217 "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1222 // [img=widthxheight]image source[/img]
1223 $Text = preg_replace_callback("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", 'bb_PictureCacheExt', $Text);
1225 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1226 $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1229 // [img]pathtoimage[/img]
1230 $Text = preg_replace_callback("/\[img\](.*?)\[\/img\]/ism", 'bb_PictureCache', $Text);
1232 $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $Text);
1233 $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $Text);
1236 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1237 function ($match) use ($simplehtml) {
1238 return bb_ShareAttributes($match, $simplehtml);
1241 $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . L10n::t('Encrypted content') . '" /><br />', $Text);
1242 $Text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . '$1' . ' ' . L10n::t('Encrypted content') . '" /><br />', $Text);
1243 //$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . L10n::t('Encrypted content') . '" title="' . '$1' . ' ' . L10n::t('Encrypted content') . '" /><br />', $Text);
1247 $Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '" loop="true"><a href="$1">$1</a></video>', $Text);
1248 $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);
1250 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", $tryoembed_callback, $Text);
1251 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", $tryoembed_callback, $Text);
1253 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1254 '<a href="$1" target="_blank">$1</a>', $Text);
1255 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1256 '<a href="$1" target="_blank">$1</a>', $Text);
1259 // html5 video and audio
1263 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1265 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1268 // Youtube extensions
1270 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1271 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1272 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1275 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1276 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1277 $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1280 $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);
1282 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1283 '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1287 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism", $tryoembed_callback, $Text);
1288 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism", $tryoembed_callback, $Text);
1291 $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $Text);
1292 $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $Text);
1295 $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);
1297 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1298 '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1301 // $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);
1304 $Text = OEmbed::BBCode2HTML($Text);
1306 // Avoid triple linefeeds through oembed
1307 $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1309 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1310 // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1311 // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1312 // start which is always required). Allow desc with a missing summary for compatibility.
1314 if ((x($ev, 'desc') || x($ev, 'summary')) && x($ev, 'start')) {
1315 $sub = format_event_html($ev, $simplehtml);
1317 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism", '', $Text);
1318 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism", '', $Text);
1319 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $Text);
1320 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $Text);
1321 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $Text);
1322 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism", '', $Text);
1323 $Text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $Text);
1326 // Replace non graphical smilies for external posts
1328 $Text = Smilies::replace($Text, false, true);
1331 // Replace inline code blocks
1332 $Text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism",
1333 function ($match) use ($simplehtml) {
1334 $return = '<key>' . $match[1] . '</key>';
1335 // Use <code> for Diaspora inline code blocks
1336 if ($simplehtml === 3) {
1337 $return = '<code>' . $match[1] . '</code>';
1343 // Unhide all [noparse] contained bbtags unspacefying them
1344 // and triming the [noparse] tag.
1346 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim', $Text);
1347 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim', $Text);
1348 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim', $Text);
1351 $Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $Text);
1352 $Text = preg_replace('/\&\#039\;/', '\'', $Text);
1353 $Text = preg_replace('/\"\;/', '"', $Text);
1355 // fix any escaped ampersands that may have been converted into links
1356 $Text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism', '<$1$2=$3&$4>', $Text);
1358 // sanitizes src attributes (http and redir URLs for displaying in a web page, cid used for inline images in emails)
1359 static $allowed_src_protocols = ['http', 'redir', 'cid'];
1360 $Text = preg_replace('#<([^>]*?)(src)="(?!' . implode('|', $allowed_src_protocols) . ')(.*?)"(.*?)>#ism',
1361 '<$1$2=""$4 data-original-src="$3" class="invalid-src" title="' . L10n::t('Invalid source protocol') . '">', $Text);
1363 // sanitize href attributes (only whitelisted protocols URLs)
1364 // default value for backward compatibility
1365 $allowed_link_protocols = Config::get('system', 'allowed_link_protocols', ['ftp', 'mailto', 'gopher', 'cid']);
1367 // Always allowed protocol even if config isn't set or not including it
1368 $allowed_link_protocols[] = 'http';
1369 $allowed_link_protocols[] = 'redir/';
1371 $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
1372 $Text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 data-original-href="$3" class="invalid-href" title="' . L10n::t('Invalid link protocol') . '">', $Text);
1375 $Text = bb_replace_images($Text, $saved_image);
1378 // Clean up the HTML by loading and saving the HTML with the DOM.
1379 // Bad structured html can break a whole page.
1380 // For performance reasons do it only with ativated item cache or at export.
1381 if (!$tryoembed || (get_itemcachepath() != "")) {
1382 $doc = new DOMDocument();
1383 $doc->preserveWhiteSpace = false;
1385 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1387 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1388 $encoding = '<?xml encoding="UTF-8">';
1389 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1390 $doc->encoding = 'UTF-8';
1391 $Text = $doc->saveHTML();
1392 $Text = str_replace(["<html><body>", "</body></html>", $doctype, $encoding], ["", "", "", ""], $Text);
1394 $Text = str_replace('<br></li>', '</li>', $Text);
1396 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1399 // Clean up some useless linebreaks in lists
1400 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1401 //$Text = str_replace('</ul><br />', '</ul>', $Text);
1402 //$Text = str_replace('</li><br />', '</li>', $Text);
1403 //$Text = str_replace('<br /><li>', '<li>', $Text);
1404 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1406 Addon::callHooks('bbcode', $Text);
1412 * @brief Removes the "abstract" element from the text
1414 * @param string $text The text with BBCode
1415 * @return string The same text - but without "abstract" element
1417 function remove_abstract($text) {
1418 $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
1419 $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
1425 * @brief Returns the value of the "abstract" element
1427 * @param string $text The text that maybe contains the element
1428 * @param string $addon The addon for which the abstract is meant for
1429 * @return string The abstract
1431 function fetch_abstract($text, $addon = "") {
1434 $addon = strtolower($addon);
1436 if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism",$text, $results, PREG_SET_ORDER))
1437 foreach ($results AS $result)
1438 $abstracts[strtolower($result[1])] = $result[2];
1440 if (isset($abstracts[$addon]))
1441 $abstract = $abstracts[$addon];
1443 if ($abstract == "")
1444 if (preg_match("/\[abstract\](.*?)\[\/abstract\]/ism",$text, $result))
1445 $abstract = $result[1];