4 use Friendica\Content\Smilies;
5 use Friendica\Content\OEmbed;
6 use Friendica\Core\Cache;
7 use Friendica\Core\System;
8 use Friendica\Core\Config;
9 use Friendica\Model\Contact;
10 use Friendica\Util\Map;
12 require_once 'include/event.php';
13 require_once 'mod/proxy.php';
14 require_once 'include/plaintext.php';
16 function bb_PictureCacheExt($matches) {
17 if (strpos($matches[3], "data:image/") === 0) {
21 $matches[3] = proxy_url($matches[3]);
22 return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
25 function bb_PictureCache($matches) {
26 if (strpos($matches[1], "data:image/") === 0) {
30 $matches[1] = proxy_url($matches[1]);
31 return "[img]" . $matches[1] . "[/img]";
34 function bb_map_coords($match) {
35 // the extra space in the following line is intentional
36 return str_replace($match[0], '<div class="map" >' . Map::byCoordinates(str_replace('/', ' ', $match[1])) . '</div>', $match[0]);
38 function bb_map_location($match) {
39 // the extra space in the following line is intentional
40 return str_replace($match[0], '<div class="map" >' . Map::byLocation($match[1]) . '</div>', $match[0]);
44 * Processes [attachment] tags
46 * Note: Can produce a [bookmark] tag in the returned string
48 * @brief Processes [attachment] tags
49 * @param string $return
50 * @param bool|int $simplehtml
51 * @param bool $tryoembed
54 function bb_attachment($return, $simplehtml = false, $tryoembed = true)
56 $data = get_attachment_data($return);
61 if (isset($data["title"])) {
62 $data["title"] = strip_tags($data["title"]);
63 $data["title"] = str_replace(array("http://", "https://"), "", $data["title"]);
66 if (((strpos($data["text"], "[img=") !== false) || (strpos($data["text"], "[img]") !== false) || Config::get('system', 'always_show_preview')) && ($data["image"] != "")) {
67 $data["preview"] = $data["image"];
72 if ($simplehtml == 7) {
73 $return = style_url_for_mastodon($data["url"]);
74 } elseif (($simplehtml != 4) && ($simplehtml != 0)) {
75 $return = sprintf('<a href="%s" target="_blank">%s</a><br>', $data["url"], $data["title"]);
78 if ($tryoembed && OEmbed::isAllowedURL($data['url'])) {
79 $return = OEmbed::getHTML($data['url'], $data['title']);
81 throw new Exception('OEmbed is disabled for this attachment.');
83 } catch (Exception $e) {
84 if ($simplehtml != 4) {
85 $return = sprintf('<span class="type-%s">', $data["type"]);
88 if ($data["image"] != "") {
89 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], proxy_url($data["image"]), $data["title"]);
90 } elseif ($data["preview"] != "") {
91 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], proxy_url($data["preview"]), $data["title"]);
94 if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
95 $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"]);
97 $return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
100 if (trim($data["description"]) != "") {
101 $return .= sprintf('<blockquote>%s</blockquote>', trim(bbcode($data["description"])));
104 if ($simplehtml != 4) {
105 $return .= '</span>';
110 return trim($data["text"] . ' ' . $return . ' ' . $data["after"]);
113 function bb_remove_share_information($Text, $plaintext = false, $nolink = false) {
115 $data = get_attachment_data($Text);
120 return $data["text"] . $data["after"];
123 $title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
124 $text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
125 if ($plaintext || (($title != "") && strstr($text, $title))) {
126 $data["title"] = $data["url"];
127 } elseif (($text != "") && strstr($title, $text)) {
128 $data["text"] = $data["title"];
129 $data["title"] = $data["url"];
132 if (($data["text"] == "") && ($data["title"] != "") && ($data["url"] == "")) {
133 return $data["title"] . $data["after"];
136 // If the link already is included in the post, don't add it again
137 if (($data["url"] != "") && strpos($data["text"], $data["url"])) {
138 return $data["text"] . $data["after"];
141 $text = $data["text"];
143 if (($data["url"] != "") && ($data["title"] != "")) {
144 $text .= "\n[url=" . $data["url"] . "]" . $data["title"] . "[/url]";
145 } elseif (($data["url"] != "")) {
146 $text .= "\n" . $data["url"];
149 return $text . "\n" . $data["after"];
152 function bb_cleanstyle($st) {
153 return "<span style=\"" . cleancss($st[1]) . ";\">" . $st[2] . "</span>";
156 function bb_cleanclass($st) {
157 return "<span class=\"" . cleancss($st[1]) . "\">" . $st[2] . "</span>";
160 function cleancss($input) {
164 $input = strtolower($input);
166 for ($i = 0; $i < strlen($input); $i++) {
167 $char = substr($input, $i, 1);
169 if (($char >= "a") && ($char <= "z")) {
173 if (!(strpos(" #;:0123456789-_.%", $char) === false)) {
182 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
183 * @param array $match Array with the matching values
184 * @return string reformatted link including HTML codes
186 function bb_style_url($match) {
189 if (isset($match[2]) && ($match[1] != $match[2])) {
193 $parts = parse_url($url);
194 if (!isset($parts['scheme'])) {
198 return style_url_for_mastodon($url);
202 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon and GNU Social.
203 * @param string $url URL that is about to be reformatted
204 * @return string reformatted link including HTML codes
206 function style_url_for_mastodon($url) {
209 $parts = parse_url($url);
210 $scheme = $parts['scheme'].'://';
211 $styled_url = str_replace($scheme, '', $styled_url);
213 $html = '<a href="%s" class="attachment" rel="nofollow noopener" target="_blank">'.
214 '<span class="invisible">%s</span>';
216 if (strlen($styled_url) > 30) {
217 $html .= '<span class="ellipsis">%s</span>'.
218 '<span class="invisible">%s</span></a>';
220 $ellipsis = substr($styled_url, 0, 30);
221 $rest = substr($styled_url, 30);
222 return sprintf($html, $url, $scheme, $ellipsis, $rest);
225 return sprintf($html, $url, $scheme, $styled_url);
229 function stripcode_br_cb($s) {
230 return '[code]' . str_replace('<br />', '', $s[1]) . '[/code]';
234 * [noparse][i]italic[/i][/noparse] turns into
235 * [noparse][ i ]italic[ /i ][/noparse],
236 * to hide them from parser.
238 function bb_spacefy($st) {
239 $whole_match = $st[0];
241 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
242 $new_str = str_replace($captured, $spacefied, $whole_match);
247 * The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
248 * now turns back and the [noparse] tags are trimed
249 * returning [i]italic[/i]
251 function bb_unspacefy_and_trim($st) {
253 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
257 function bb_find_open_close($s, $open, $close, $occurence = 1) {
258 if ($occurence < 1) {
263 for ($i = 1; $i <= $occurence; $i++) {
264 if ($start_pos !== false) {
265 $start_pos = strpos($s, $open, $start_pos + 1);
269 if ($start_pos === false) {
273 $end_pos = strpos($s, $close, $start_pos);
275 if ($end_pos === false) {
279 $res = array( 'start' => $start_pos, 'end' => $end_pos );
284 function get_bb_tag_pos($s, $name, $occurence = 1) {
285 if ($occurence < 1) {
290 for ($i = 1; $i <= $occurence; $i++) {
291 if ($start_open !== false) {
292 $start_open = strpos($s, '[' . $name, $start_open + 1); // allow [name= type tags
296 if ($start_open === false) {
300 $start_equal = strpos($s, '=', $start_open);
301 $start_close = strpos($s, ']', $start_open);
303 if ($start_close === false) {
309 $end_open = strpos($s, '[/' . $name . ']', $start_close);
311 if ($end_open === false) {
317 'open' => $start_open,
318 'close' => $start_close
322 'close' => $end_open + strlen('[/' . $name . ']')
326 if ($start_equal !== false) {
327 $res['start']['equal'] = $start_equal + 1;
333 function bb_tag_preg_replace($pattern, $replace, $name, $s) {
338 $pos = get_bb_tag_pos($string, $name, $occurence);
339 while ($pos !== false && $occurence < 1000) {
340 $start = substr($string, 0, $pos['start']['open']);
341 $subject = substr($string, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
342 $end = substr($string, $pos['end']['close']);
343 if ($end === false) {
347 $subject = preg_replace($pattern, $replace, $subject);
348 $string = $start . $subject . $end;
351 $pos = get_bb_tag_pos($string, $name, $occurence);
357 function bb_extract_images($body) {
359 $saved_image = array();
364 $img_start = strpos($orig_body, '[img');
365 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
366 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
367 while (($img_st_close !== false) && ($img_end !== false)) {
369 $img_st_close++; // make it point to AFTER the closing bracket
370 $img_end += $img_start;
372 if (! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
373 // This is an embedded image
375 $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
376 $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
380 $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
383 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
385 if ($orig_body === false) {
386 // in case the body ends on a closing image tag
390 $img_start = strpos($orig_body, '[img');
391 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
392 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
395 $new_body = $new_body . $orig_body;
397 return array('body' => $new_body, 'images' => $saved_image);
400 function bb_replace_images($body, $images) {
405 foreach ($images as $image) {
406 // We're depending on the property of 'foreach' (specified on the PHP website) that
407 // it loops over the array starting from the first element and going sequentially
408 // to the last element
409 $newbody = str_replace('[$#saved_image' . $cnt . '#$]', '<img src="' . proxy_url($image) .'" alt="' . t('Image/photo') . '" />', $newbody);
417 * Processes [share] tags
419 * Note: Can produce a [bookmark] tag in the output
421 * @brief Processes [share] tags
422 * @param array $share preg_match_callback result array
423 * @param bool|int $simplehtml
426 function bb_ShareAttributes($share, $simplehtml)
428 $attributes = $share[2];
431 preg_match("/author='(.*?)'/ism", $attributes, $matches);
432 if (x($matches, 1)) {
433 $author = html_entity_decode($matches[1], ENT_QUOTES, 'UTF-8');
436 preg_match('/author="(.*?)"/ism', $attributes, $matches);
437 if (x($matches, 1)) {
438 $author = $matches[1];
442 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
443 if (x($matches, 1)) {
444 $profile = $matches[1];
447 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
448 if (x($matches, 1)) {
449 $profile = $matches[1];
453 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
454 if (x($matches, 1)) {
455 $avatar = $matches[1];
458 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
459 if (x($matches, 1)) {
460 $avatar = $matches[1];
464 preg_match("/link='(.*?)'/ism", $attributes, $matches);
465 if (x($matches, 1)) {
469 preg_match('/link="(.*?)"/ism', $attributes, $matches);
470 if (x($matches, 1)) {
476 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
477 if (x($matches, 1)) {
478 $posted = $matches[1];
481 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
482 if (x($matches, 1)) {
483 $posted = $matches[1];
486 // We only call this so that a previously unknown contact can be added.
487 // This is important for the function "get_contact_details_by_url".
488 // This function then can fetch an entry from the contact table.
489 Contact::getIdForURL($profile, 0);
491 $data = Contact::getDetailsByURL($profile);
493 if (x($data, "name") && x($data, "addr")) {
494 $userid_compact = $data["name"] . " (" . $data["addr"] . ")";
496 $userid_compact = GetProfileUsername($profile, $author, true);
499 if (x($data, "addr")) {
500 $userid = $data["addr"];
502 $userid = GetProfileUsername($profile, $author, false);
505 if (x($data, "name")) {
506 $author = $data["name"];
509 if (x($data, "micro")) {
510 $avatar = $data["micro"];
513 $preshare = trim($share[1]);
514 if ($preshare != "") {
515 $preshare .= "<br />";
518 switch ($simplehtml) {
520 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' <a href="' . $profile . '">' . $userid . "</a>: <br />»" . $share[3] . "«";
523 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
526 $headline .= '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
528 $text = trim($share[1]);
534 if (stripos(normalise_link($link), 'http://twitter.com/') === 0) {
535 $text .= $headline . '<blockquote>' . trim($share[3]) . "</blockquote><br />";
538 $text .= '<br /><a href="' . $link . '">[l]</a>';
541 $text .= '<br /><a href="' . $link . '">' . $link . '</a>';
546 $headline .= '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
547 $headline .= t('<a href="%1$s" target="_blank">%2$s</a> %3$s', $link, $userid, $posted);
548 $headline .= ":</b><br />";
550 $text = trim($share[1]);
556 $text .= $headline . '<blockquote class="shared_content">' . trim($share[3]) . "</blockquote><br />";
560 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
563 $text = $preshare . ">> @" . $userid_compact . ": <br />" . $share[3];
565 case 7: // statusnet/GNU Social
566 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . " @" . $userid_compact . ": " . $share[3];
569 $text = $preshare . "RT @" . $userid_compact . ": " . $share[3];
571 case 9: // Google+/Facebook
572 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
575 $text .= "<br /><br />" . $link;
579 // Transforms quoted tweets in rich attachments to avoid nested tweets
580 if (stripos(normalise_link($link), 'http://twitter.com/') === 0 && OEmbed::isAllowedURL($link)) {
582 $oembed = OEmbed::getHTML($link, $preshare);
583 } catch (Exception $e) {
584 $oembed = sprintf('[bookmark=%s]%s[/bookmark]', $link, $preshare);
587 $text = $preshare . $oembed;
589 $text = trim($share[1]) . "\n";
591 $avatar = proxy_url($avatar, false, PROXY_SIZE_THUMB);
593 $tpl = get_markup_template('shared_content.tpl');
594 $text .= replace_macros($tpl, array(
595 '$profile' => $profile,
596 '$avatar' => $avatar,
597 '$author' => $author,
599 '$posted' => $posted,
600 '$content' => trim($share[3])
609 function GetProfileUsername($profile, $username, $compact = false, $getnetwork = false) {
611 $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1@twitter.com", $profile);
612 if ($twitter != $profile) {
614 return NETWORK_TWITTER;
615 } elseif ($compact) {
618 return ($username . " (" . $twitter . ")");
622 $appnet = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1@alpha.app.net", $profile);
623 if ($appnet != $profile) {
625 return NETWORK_APPNET;
626 } elseif ($compact) {
629 return ($username . " (" . $appnet . ")");
633 $gplus = preg_replace("=https?://plus.google.com/(.*)=ism", "$1@plus.google.com", $profile);
634 if ($gplus != $profile) {
636 return NETWORK_GPLUS;
637 } elseif ($compact) {
638 return ($gplususername . " (" . $username . ")");
640 return ($username . " (" . $gplus . ")");
644 $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2@$1", $profile);
645 if ($friendica != $profile) {
648 } elseif ($compact) {
651 return ($username . " (" . $friendica . ")");
655 $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
656 if ($diaspora != $profile) {
658 return NETWORK_DIASPORA;
659 } elseif ($compact) {
662 return ($username . " (" . $diaspora . ")");
666 $red = preg_replace("=https?://(.*)/channel/(.*)=ism", "$2@$1", $profile);
667 if ($red != $profile) {
669 // red is identified as Diaspora - friendica can't connect directly to it
670 return NETWORK_DIASPORA;
671 } elseif ($compact) {
674 return ($username . " (" . $red . ")");
678 $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
679 if ($StatusnetHost != $profile) {
680 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
681 if ($StatusnetUser != $profile) {
682 /// @TODO Some hosts run on https, not just http and sometimes http is disabled, let's support both here
683 $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
684 $user = json_decode($UserData);
687 return NETWORK_STATUSNET;
688 } elseif ($compact) {
689 return ($user->screen_name . "@" . $StatusnetHost);
691 return ($username . " (" . $user->screen_name . "@" . $StatusnetHost . ")");
697 // pumpio (http://host.name/user)
698 $rest = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$3", $profile);
700 $pumpio = preg_replace("=https?://([\.\w]+)/([\.\w]+)(.*)=ism", "$2@$1", $profile);
701 if ($pumpio != $profile) {
703 return NETWORK_PUMPIO;
704 } elseif ($compact) {
707 return ($username . " (" . $pumpio . ")");
715 function bb_DiasporaLinks($match) {
716 return "[url=".System::baseUrl()."/display/".$match[1]."]".$match[2]."[/url]";
719 function bb_RemovePictureLinks($match) {
720 $text = Cache::get($match[1]);
722 if (is_null($text)) {
725 $stamp1 = microtime(true);
727 $ch = @curl_init($match[1]);
728 @curl_setopt($ch, CURLOPT_NOBODY, true);
729 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
730 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
732 $curl_info = @curl_getinfo($ch);
734 $a->save_timestamp($stamp1, "network");
736 if (substr($curl_info["content_type"], 0, 6) == "image/")
737 $text = "[url=".$match[1]."]".$match[1]."[/url]";
739 $text = "[url=".$match[2]."]".$match[2]."[/url]";
741 // if its not a picture then look if its a page that contains a picture link
742 require_once("include/network.php");
744 $body = fetch_url($match[1]);
746 $doc = new DOMDocument();
747 @$doc->loadHTML($body);
748 $xpath = new DomXPath($doc);
749 $list = $xpath->query("//meta[@name]");
750 foreach ($list as $node) {
753 if ($node->attributes->length)
754 foreach ($node->attributes as $attribute)
755 $attr[$attribute->name] = $attribute->value;
757 if (strtolower($attr["name"]) == "twitter:image")
758 $text = "[url=".$attr["content"]."]".$attr["content"]."[/url]";
761 Cache::set($match[1],$text);
767 function bb_expand_links($match) {
768 if (($match[3] == "") || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
769 return ($match[1] . "[url]" . $match[2] . "[/url]");
771 return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
775 function bb_CleanPictureLinksSub($match) {
776 $text = Cache::get($match[1]);
778 if (is_null($text)) {
781 $stamp1 = microtime(true);
783 $ch = @curl_init($match[1]);
784 @curl_setopt($ch, CURLOPT_NOBODY, true);
785 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
786 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
788 $curl_info = @curl_getinfo($ch);
790 $a->save_timestamp($stamp1, "network");
792 // if its a link to a picture then embed this picture
793 if (substr($curl_info["content_type"], 0, 6) == "image/")
794 $text = "[img]".$match[1]."[/img]";
796 $text = "[img]".$match[2]."[/img]";
798 // if its not a picture then look if its a page that contains a picture link
799 require_once("include/network.php");
801 $body = fetch_url($match[1]);
803 $doc = new DOMDocument();
804 @$doc->loadHTML($body);
805 $xpath = new DomXPath($doc);
806 $list = $xpath->query("//meta[@name]");
807 foreach ($list as $node) {
810 if ($node->attributes->length)
811 foreach ($node->attributes as $attribute)
812 $attr[$attribute->name] = $attribute->value;
814 if (strtolower($attr["name"]) == "twitter:image")
815 $text = "[img]".$attr["content"]."[/img]";
818 Cache::set($match[1],$text);
824 function bb_CleanPictureLinks($text) {
825 $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_CleanPictureLinksSub', $text);
829 function bb_highlight($match) {
830 if (in_array(strtolower($match[1]), ['php', 'css', 'mysql', 'sql', 'abap', 'diff', 'html', 'perl', 'ruby',
831 'vbscript', 'avrc', 'dtd', 'java', 'xml', 'cpp', 'python', 'javascript', 'js', 'sh'])) {
832 return text_highlight($match[2], strtolower($match[1]));
838 * @brief Converts a BBCode message to HTML message
840 * BBcode 2 HTML was written by WAY2WEB.net
841 * extended to work with Mistpark/Friendica - Mike Macgirvin
843 * Simple HTML values meaning:
844 * - 0: Friendica display
846 * - 2: Used for Facebook, Google+, Windows Phone push, Friendica API
847 * - 3: Used before converting to Markdown in bb2diaspora.php
848 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
850 * - 6: Used for Appnet
851 * - 7: Used for dfrn, OStatus
852 * - 8: Used for WP backlink text setting
854 * @staticvar array $allowed_src_protocols
855 * @param string $Text
856 * @param bool $preserve_nl
857 * @param bool $tryoembed
858 * @param int $simplehtml
859 * @param bool $forplaintext
862 function bbcode($Text, $preserve_nl = false, $tryoembed = true, $simplehtml = false, $forplaintext = false)
867 * preg_match_callback function to replace potential Oembed tags with Oembed content
869 * $match[0] = [tag]$url[/tag] or [tag=$url]$title[/tag]
871 * $match[2] = $title or absent
873 $tryoembed_callback = function ($match)
876 $title = defaults($match, 2, null);
879 $return = OEmbed::getHTML($url, $title);
880 } catch (Exception $ex) {
887 // Hide all [noparse] contained bbtags by spacefying them
888 // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
890 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy', $Text);
891 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy', $Text);
892 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy', $Text);
894 // Remove the abstract element. It is a non visible element.
895 $Text = remove_abstract($Text);
897 // Move all spaces out of the tags
898 $Text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $Text);
899 $Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
901 // Extract the private images which use data urls since preg has issues with
902 // large data sizes. Stash them away while we do bbcode conversion, and then put them back
903 // in after we've done all the regex matching. We cannot use any preg functions to do this.
905 $extracted = bb_extract_images($Text);
906 $Text = $extracted['body'];
907 $saved_image = $extracted['images'];
909 // If we find any event code, turn it into an event.
910 // After we're finished processing the bbcode we'll
911 // replace all of the event code with a reformatted version.
913 $ev = bbtoevent($Text);
915 // Replace any html brackets with HTML Entities to prevent executing HTML or script
916 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
918 $Text = str_replace("<", "<", $Text);
919 $Text = str_replace(">", ">", $Text);
921 // remove some newlines before the general conversion
922 $Text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "[share$1]$2[/share]", $Text);
923 $Text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism", "[quote$1]$2[/quote]", $Text);
925 $Text = preg_replace("/\n\[code\]/ism", "[code]", $Text);
926 $Text = preg_replace("/\[\/code\]\n/ism", "[/code]", $Text);
928 // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
930 $Text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $Text);
933 // Check for [code] text here, before the linefeeds are messed with.
934 // The highlighter will unescape and re-escape the content.
935 if (strpos($Text, '[code=') !== false) {
936 $Text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'bb_highlight', $Text);
938 // Convert new line chars to html <br /> tags
940 // nlbr seems to be hopelessly messed up
941 // $Text = nl2br($Text);
946 $Text = str_replace("\r\n", "\n", $Text);
948 // removing multiplicated newlines
949 if (Config::get("system", "remove_multiplicated_lines")) {
950 $search = array("\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
951 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n");
952 $replace = array("\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
953 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]");
956 $Text = str_replace($search, $replace, $Text);
957 } while ($oldtext != $Text);
960 // Handle attached links or videos
961 $Text = bb_attachment($Text, $simplehtml, $tryoembed);
963 $Text = str_replace(array("\r","\n"), array('<br />', '<br />'), $Text);
966 $Text = str_replace(array("\n", "\r"), array('', ''), $Text);
969 // Set up the parameters for a URL search string
970 $URLSearchString = "^\[\]";
971 // Set up the parameters for a MAIL search string
972 $MAILSearchString = $URLSearchString;
974 // Remove all hashtag addresses
975 if ((!$tryoembed || $simplehtml) && !in_array($simplehtml, array(3, 7))) {
976 $Text = preg_replace("/([#@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $Text);
977 } elseif ($simplehtml == 3) {
978 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
979 '$1<a href="$2">$3</a>',
981 } elseif ($simplehtml == 7) {
982 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
983 '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
985 } elseif (!$simplehtml) {
986 $Text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
987 '$1<a href="$2" class="userinfo mention" title="$3">$3</a>',
991 // Bookmarks in red - will be converted to bookmarks in friendica
992 $Text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $Text);
993 $Text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $Text);
994 $Text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
995 "[bookmark=$1]$2[/bookmark]", $Text);
997 if (in_array($simplehtml, array(2, 6, 7, 8, 9))) {
998 $Text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", "bb_expand_links", $Text);
999 //$Text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $Text);
1000 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]',$Text);
1003 if ($simplehtml == 5) {
1004 $Text = preg_replace("/[^#@!]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $Text);
1007 // Perform URL Search
1009 $Text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $tryoembed_callback, $Text);
1012 if ($simplehtml == 5) {
1013 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url]$1[/url]', $Text);
1015 $Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $Text);
1018 // Handle Diaspora posts
1019 $Text = preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi", 'bb_DiasporaLinks', $Text);
1021 // Server independent link to posts and comments
1022 // See issue: https://github.com/diaspora/diaspora_federation/issues/75
1023 $expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
1024 $Text = preg_replace($expression, System::baseUrl()."/display/$1", $Text);
1026 // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
1027 // if ($simplehtml != 7) {
1028 if (!$forplaintext) {
1029 if ($simplehtml != 7) {
1030 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1<a href="$2" target="_blank">$2</a>', $Text);
1032 $Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2[/url]', $Text);
1034 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
1035 $Text = preg_replace_callback("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", 'bb_style_url', $Text);
1038 $Text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism", " $1 ", $Text);
1039 $Text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'bb_RemovePictureLinks', $Text);
1044 $Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", $tryoembed_callback, $Text);
1047 $Text = preg_replace("/([#])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1048 '$1<a href="$2" class="tag" title="$3">$3</a>', $Text);
1050 $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $Text);
1051 $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1052 //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1054 // Red compatibility, though the link can't be authenticated on Friendica
1055 $Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1058 // we may need to restrict this further if it picks up too many strays
1059 // link acct:user@host to a webfinger profile redirector
1061 $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);
1063 // Perform MAIL Search
1064 $Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
1065 $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
1067 // leave open the posibility of [map=something]
1068 // this is replaced in prepare_body() which has knowledge of the item location
1070 if (strpos($Text, '[/map]') !== false) {
1071 $Text = preg_replace_callback("/\[map\](.*?)\[\/map\]/ism", 'bb_map_location', $Text);
1073 if (strpos($Text, '[map=') !== false) {
1074 $Text = preg_replace_callback("/\[map=(.*?)\]/ism", 'bb_map_coords', $Text);
1076 if (strpos($Text, '[map]') !== false) {
1077 $Text = preg_replace("/\[map\]/", '<div class="map"></div>', $Text);
1080 // Check for headers
1081 $Text = preg_replace("(\[h1\](.*?)\[\/h1\])ism", '<h1>$1</h1>', $Text);
1082 $Text = preg_replace("(\[h2\](.*?)\[\/h2\])ism", '<h2>$1</h2>', $Text);
1083 $Text = preg_replace("(\[h3\](.*?)\[\/h3\])ism", '<h3>$1</h3>', $Text);
1084 $Text = preg_replace("(\[h4\](.*?)\[\/h4\])ism", '<h4>$1</h4>', $Text);
1085 $Text = preg_replace("(\[h5\](.*?)\[\/h5\])ism", '<h5>$1</h5>', $Text);
1086 $Text = preg_replace("(\[h6\](.*?)\[\/h6\])ism", '<h6>$1</h6>', $Text);
1088 // Check for paragraph
1089 $Text = preg_replace("(\[p\](.*?)\[\/p\])ism", '<p>$1</p>', $Text);
1091 // Check for bold text
1092 $Text = preg_replace("(\[b\](.*?)\[\/b\])ism", '<strong>$1</strong>', $Text);
1094 // Check for Italics text
1095 $Text = preg_replace("(\[i\](.*?)\[\/i\])ism", '<em>$1</em>', $Text);
1097 // Check for Underline text
1098 $Text = preg_replace("(\[u\](.*?)\[\/u\])ism", '<u>$1</u>', $Text);
1100 // Check for strike-through text
1101 $Text = preg_replace("(\[s\](.*?)\[\/s\])ism", '<strike>$1</strike>', $Text);
1103 // Check for over-line text
1104 $Text = preg_replace("(\[o\](.*?)\[\/o\])ism", '<span class="overline">$1</span>', $Text);
1106 // Check for colored text
1107 $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "<span style=\"color: $1;\">$2</span>", $Text);
1109 // Check for sized text
1110 // [size=50] --> font-size: 50px (with the unit).
1111 $Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1px; line-height: initial;\">$2</span>", $Text);
1112 $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1; line-height: initial;\">$2</span>", $Text);
1114 // Check for centered text
1115 $Text = preg_replace("(\[center\](.*?)\[\/center\])ism", "<div style=\"text-align:center;\">$1</div>", $Text);
1117 // Check for list text
1118 $Text = str_replace("[*]", "<li>", $Text);
1120 // Check for style sheet commands
1121 $Text = preg_replace_callback("(\[style=(.*?)\](.*?)\[\/style\])ism", "bb_cleanstyle", $Text);
1123 // Check for CSS classes
1124 $Text = preg_replace_callback("(\[class=(.*?)\](.*?)\[\/class\])ism", "bb_cleanclass", $Text);
1126 // handle nested lists
1129 while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) ||
1130 ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) ||
1131 ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false)) ||
1132 ((strpos($Text, "[/li]") !== false) && (strpos($Text, "[li]") !== false))) && (++$endlessloop < 20)) {
1133 $Text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
1134 $Text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $Text);
1135 $Text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $Text);
1136 $Text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism", '<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>', $Text);
1137 $Text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>', $Text);
1138 $Text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>', $Text);
1139 $Text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>', $Text);
1140 $Text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $Text);
1141 $Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $Text);
1142 $Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $Text);
1145 $Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $Text);
1146 $Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>', $Text);
1147 $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>', $Text);
1148 $Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>', $Text);
1150 $Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>', $Text);
1151 $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>', $Text);
1153 $Text = str_replace('[hr]', '<hr />', $Text);
1155 // This is actually executed in prepare_body()
1157 $Text = str_replace('[nosmile]', '', $Text);
1159 // Check for font change text
1160 $Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $Text);
1162 // Declare the format for [code] layout
1164 // $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/ism", 'stripcode_br_cb', $Text);
1166 $CodeLayout = '<code>$1</code>';
1167 // Check for [code] text
1168 $Text = preg_replace("/\[code\](.*?)\[\/code\]/ism", "$CodeLayout", $Text);
1170 // Declare the format for [spoiler] layout
1171 $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1173 // Check for [spoiler] text
1174 // handle nested quotes
1176 while ((strpos($Text, "[/spoiler]") !== false) && (strpos($Text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
1177 $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", "$SpoilerLayout", $Text);
1180 // Check for [spoiler=Author] text
1182 $t_wrote = t('$1 wrote:');
1184 // handle nested quotes
1186 while ((strpos($Text, "[/spoiler]")!== false) && (strpos($Text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
1187 $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1188 "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1192 // Declare the format for [quote] layout
1193 $QuoteLayout = '<blockquote>$1</blockquote>';
1195 // Check for [quote] text
1196 // handle nested quotes
1198 while ((strpos($Text, "[/quote]") !== false) && (strpos($Text, "[quote]") !== false) && (++$endlessloop < 20)) {
1199 $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $Text);
1202 // Check for [quote=Author] text
1204 $t_wrote = t('$1 wrote:');
1206 // handle nested quotes
1208 while ((strpos($Text, "[/quote]")!== false) && (strpos($Text, "[quote=") !== false) && (++$endlessloop < 20)) {
1209 $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1210 "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1215 // [img=widthxheight]image source[/img]
1216 $Text = preg_replace_callback("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", 'bb_PictureCacheExt', $Text);
1218 $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
1219 $Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
1222 // [img]pathtoimage[/img]
1223 $Text = preg_replace_callback("/\[img\](.*?)\[\/img\]/ism", 'bb_PictureCache', $Text);
1225 $Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1226 $Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
1229 $Text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1230 function ($match) use ($simplehtml) {
1231 return bb_ShareAttributes($match, $simplehtml);
1234 $Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
1235 $Text = preg_replace("/\[crypt(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
1236 //$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism", '<br/><img src="' .System::baseUrl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
1240 $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);
1241 $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);
1243 $Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", $tryoembed_callback, $Text);
1244 $Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", $tryoembed_callback, $Text);
1246 $Text = preg_replace("/\[video\](.*?)\[\/video\]/",
1247 '<a href="$1" target="_blank">$1</a>', $Text);
1248 $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1249 '<a href="$1" target="_blank">$1</a>', $Text);
1252 // html5 video and audio
1256 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
1258 $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
1261 // Youtube extensions
1263 $Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1264 $Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1265 $Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism", $tryoembed_callback, $Text);
1268 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1269 $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1270 $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $Text);
1273 $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);
1275 $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1276 '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $Text);
1280 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism", $tryoembed_callback, $Text);
1281 $Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism", $tryoembed_callback, $Text);
1284 $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $Text);
1285 $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $Text);
1288 $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);
1290 $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1291 '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $Text);
1294 // $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);
1297 $Text = OEmbed::BBCode2HTML($Text);
1299 // Avoid triple linefeeds through oembed
1300 $Text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $Text);
1302 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1303 // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1304 // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1305 // start which is always required). Allow desc with a missing summary for compatibility.
1307 if ((x($ev, 'desc') || x($ev, 'summary')) && x($ev, 'start')) {
1308 $sub = format_event_html($ev, $simplehtml);
1310 $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism", '', $Text);
1311 $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism", '', $Text);
1312 $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $Text);
1313 $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $Text);
1314 $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $Text);
1315 $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism", '', $Text);
1316 $Text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $Text);
1319 // Replace non graphical smilies for external posts
1321 $Text = Smilies::replace($Text, false, true);
1324 // Replace inline code blocks
1325 $Text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism",
1326 function ($match) use ($simplehtml) {
1327 $return = '<key>' . $match[1] . '</key>';
1328 // Use <code> for Diaspora inline code blocks
1329 if ($simplehtml === 3) {
1330 $return = '<code>' . $match[1] . '</code>';
1336 // Unhide all [noparse] contained bbtags unspacefying them
1337 // and triming the [noparse] tag.
1339 $Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim', $Text);
1340 $Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim', $Text);
1341 $Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim', $Text);
1344 $Text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $Text);
1345 $Text = preg_replace('/\&\#039\;/', '\'', $Text);
1346 $Text = preg_replace('/\"\;/', '"', $Text);
1348 // fix any escaped ampersands that may have been converted into links
1349 $Text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism', '<$1$2=$3&$4>', $Text);
1351 // sanitizes src attributes (http and redir URLs for displaying in a web page, cid used for inline images in emails)
1352 static $allowed_src_protocols = array('http', 'redir', 'cid');
1353 $Text = preg_replace('#<([^>]*?)(src)="(?!' . implode('|', $allowed_src_protocols) . ')(.*?)"(.*?)>#ism',
1354 '<$1$2=""$4 class="invalid-src" title="' . t('Invalid source protocol') . '">', $Text);
1356 // sanitize href attributes (only whitelisted protocols URLs)
1357 // default value for backward compatibility
1358 $allowed_link_protocols = Config::get('system', 'allowed_link_protocols', array('ftp', 'mailto', 'gopher', 'cid'));
1360 // Always allowed protocol even if config isn't set or not including it
1361 $allowed_link_protocols[] = 'http';
1362 $allowed_link_protocols[] = 'redir/';
1364 $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
1365 $Text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 class="invalid-href" title="' . t('Invalid link protocol') . '">', $Text);
1368 $Text = bb_replace_images($Text, $saved_image);
1371 // Clean up the HTML by loading and saving the HTML with the DOM.
1372 // Bad structured html can break a whole page.
1373 // For performance reasons do it only with ativated item cache or at export.
1374 if (!$tryoembed || (get_itemcachepath() != "")) {
1375 $doc = new DOMDocument();
1376 $doc->preserveWhiteSpace = false;
1378 $Text = mb_convert_encoding($Text, 'HTML-ENTITIES', "UTF-8");
1380 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1381 $encoding = '<?xml encoding="UTF-8">';
1382 @$doc->loadHTML($encoding.$doctype."<html><body>".$Text."</body></html>");
1383 $doc->encoding = 'UTF-8';
1384 $Text = $doc->saveHTML();
1385 $Text = str_replace(array("<html><body>", "</body></html>", $doctype, $encoding), array("", "", "", ""), $Text);
1387 $Text = str_replace('<br></li>', '</li>', $Text);
1389 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1392 // Clean up some useless linebreaks in lists
1393 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1394 //$Text = str_replace('</ul><br />', '</ul>', $Text);
1395 //$Text = str_replace('</li><br />', '</li>', $Text);
1396 //$Text = str_replace('<br /><li>', '<li>', $Text);
1397 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1399 call_hooks('bbcode', $Text);
1405 * @brief Removes the "abstract" element from the text
1407 * @param string $text The text with BBCode
1408 * @return string The same text - but without "abstract" element
1410 function remove_abstract($text) {
1411 $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
1412 $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
1418 * @brief Returns the value of the "abstract" element
1420 * @param string $text The text that maybe contains the element
1421 * @param string $addon The addon for which the abstract is meant for
1422 * @return string The abstract
1424 function fetch_abstract($text, $addon = "") {
1426 $abstracts = array();
1427 $addon = strtolower($addon);
1429 if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism",$text, $results, PREG_SET_ORDER))
1430 foreach ($results AS $result)
1431 $abstracts[strtolower($result[1])] = $result[2];
1433 if (isset($abstracts[$addon]))
1434 $abstract = $abstracts[$addon];
1436 if ($abstract == "")
1437 if (preg_match("/\[abstract\](.*?)\[\/abstract\]/ism",$text, $result))
1438 $abstract = $result[1];