3 * @file src/Content/Text/BBCode.php
5 namespace Friendica\Content\Text;
9 use Friendica\Content\OEmbed;
10 use Friendica\Content\Smilies;
11 use Friendica\Content\Text\Plaintext;
12 use Friendica\Core\Addon;
13 use Friendica\Core\Cache;
14 use Friendica\Core\Config;
15 use Friendica\Core\L10n;
16 use Friendica\Core\PConfig;
17 use Friendica\Core\System;
18 use Friendica\Model\Contact;
19 use Friendica\Object\Image;
20 use Friendica\Util\Map;
21 use Friendica\Util\Network;
22 use Friendica\Util\ParseUrl;
24 require_once "include/bbcode.php";
25 require_once "include/html2plain.php";
30 * @brief Fetches attachment data that were generated the old way
32 * @param string $body Message body
34 * 'type' -> Message type ("link", "video", "photo")
35 * 'text' -> Text before the shared message
36 * 'after' -> Text after the shared message
37 * 'image' -> Preview image of the message
38 * 'url' -> Url to the attached message
39 * 'title' -> Title of the attachment
40 * 'description' -> Description of the attachment
42 private static function getOldAttachmentData($body)
46 // Simplify image codes
47 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
49 if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism", $body, $attached, PREG_SET_ORDER)) {
50 foreach ($attached as $data) {
51 if (!in_array($data[1], ["type-link", "type-video", "type-photo"])) {
55 $post["type"] = substr($data[1], 5);
57 $pos = strpos($body, $data[0]);
59 $post["text"] = trim(substr($body, 0, $pos));
60 $post["after"] = trim(substr($body, $pos + strlen($data[0])));
62 $post["text"] = trim(str_replace($data[0], "", $body));
65 $attacheddata = $data[2];
67 $URLSearchString = "^\[\]";
69 if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches)) {
71 $picturedata = Image::getInfoFromURL($matches[1]);
73 if (($picturedata[0] >= 500) && ($picturedata[0] >= $picturedata[1])) {
74 $post["image"] = $matches[1];
76 $post["preview"] = $matches[1];
80 if (preg_match("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
81 $post["url"] = $matches[1];
82 $post["title"] = $matches[2];
84 if (($post["url"] == "") && (in_array($post["type"], ["link", "video"]))
85 && preg_match("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $attacheddata, $matches)) {
86 $post["url"] = $matches[1];
89 // Search for description
90 if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches)) {
91 $post["description"] = $matches[1];
99 * @brief Fetches attachment data that were generated with the "attachment" element
101 * @param string $body Message body
103 * 'type' -> Message type ("link", "video", "photo")
104 * 'text' -> Text before the shared message
105 * 'after' -> Text after the shared message
106 * 'image' -> Preview image of the message
107 * 'url' -> Url to the attached message
108 * 'title' -> Title of the attachment
109 * 'description' -> Description of the attachment
111 public static function getAttachmentData($body)
115 if (!preg_match("/(.*)\[attachment(.*?)\](.*?)\[\/attachment\](.*)/ism", $body, $match)) {
116 return self::getOldAttachmentData($body);
119 $attributes = $match[2];
121 $data["text"] = trim($match[1]);
124 preg_match("/type='(.*?)'/ism", $attributes, $matches);
125 if (x($matches, 1)) {
126 $type = strtolower($matches[1]);
129 preg_match('/type="(.*?)"/ism', $attributes, $matches);
130 if (x($matches, 1)) {
131 $type = strtolower($matches[1]);
138 if (!in_array($type, ["link", "audio", "photo", "video"])) {
143 $data["type"] = $type;
147 preg_match("/url='(.*?)'/ism", $attributes, $matches);
148 if (x($matches, 1)) {
152 preg_match('/url="(.*?)"/ism', $attributes, $matches);
153 if (x($matches, 1)) {
158 $data["url"] = html_entity_decode($url, ENT_QUOTES, 'UTF-8');
162 preg_match("/title='(.*?)'/ism", $attributes, $matches);
163 if (x($matches, 1)) {
164 $title = $matches[1];
167 preg_match('/title="(.*?)"/ism', $attributes, $matches);
168 if (x($matches, 1)) {
169 $title = $matches[1];
173 $title = bbcode(html_entity_decode($title, ENT_QUOTES, 'UTF-8'), false, false, true);
174 $title = html_entity_decode($title, ENT_QUOTES, 'UTF-8');
175 $title = str_replace(["[", "]"], ["[", "]"], $title);
176 $data["title"] = $title;
180 preg_match("/image='(.*?)'/ism", $attributes, $matches);
181 if (x($matches, 1)) {
182 $image = $matches[1];
185 preg_match('/image="(.*?)"/ism', $attributes, $matches);
186 if (x($matches, 1)) {
187 $image = $matches[1];
191 $data["image"] = html_entity_decode($image, ENT_QUOTES, 'UTF-8');
195 preg_match("/preview='(.*?)'/ism", $attributes, $matches);
196 if (x($matches, 1)) {
197 $preview = $matches[1];
200 preg_match('/preview="(.*?)"/ism', $attributes, $matches);
201 if (x($matches, 1)) {
202 $preview = $matches[1];
205 if ($preview != "") {
206 $data["preview"] = html_entity_decode($preview, ENT_QUOTES, 'UTF-8');
209 $data["description"] = trim($match[3]);
211 $data["after"] = trim($match[4]);
216 public static function getAttachedData($body, $item = [])
220 - type: link, video, photo
228 $has_title = !empty($item['title']);
229 $plink = (!empty($item['plink']) ? $item['plink'] : '');
230 $post = self::getAttachmentData($body);
232 // if nothing is found, it maybe having an image.
233 if (!isset($post["type"])) {
234 // Simplify image codes
235 $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
237 $URLSearchString = "^\[\]";
238 if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures, PREG_SET_ORDER)) {
239 if ((count($pictures) == 1) && !$has_title) {
240 // Checking, if the link goes to a picture
241 $data = ParseUrl::getSiteinfoCached($pictures[0][1], true);
244 // Sometimes photo posts to the own album are not detected at the start.
245 // So we seem to cannot use the cache for these cases. That's strange.
246 if (($data["type"] != "photo") && strstr($pictures[0][1], "/photos/")) {
247 $data = ParseUrl::getSiteinfo($pictures[0][1], true);
250 if ($data["type"] == "photo") {
251 $post["type"] = "photo";
252 if (isset($data["images"][0])) {
253 $post["image"] = $data["images"][0]["src"];
254 $post["url"] = $data["url"];
256 $post["image"] = $data["url"];
259 $post["preview"] = $pictures[0][2];
260 $post["text"] = str_replace($pictures[0][0], "", $body);
262 $imgdata = Image::getInfoFromURL($pictures[0][1]);
263 if (substr($imgdata["mime"], 0, 6) == "image/") {
264 $post["type"] = "photo";
265 $post["image"] = $pictures[0][1];
266 $post["preview"] = $pictures[0][2];
267 $post["text"] = str_replace($pictures[0][0], "", $body);
270 } elseif (count($pictures) > 0) {
271 $post["type"] = "link";
272 $post["url"] = $plink;
273 $post["image"] = $pictures[0][2];
274 $post["text"] = $body;
276 } elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures, PREG_SET_ORDER)) {
277 if ((count($pictures) == 1) && !$has_title) {
278 $post["type"] = "photo";
279 $post["image"] = $pictures[0][1];
280 $post["text"] = str_replace($pictures[0][0], "", $body);
281 } elseif (count($pictures) > 0) {
282 $post["type"] = "link";
283 $post["url"] = $plink;
284 $post["image"] = $pictures[0][1];
285 $post["text"] = $body;
289 // Test for the external links
290 preg_match_all("(\[url\]([$URLSearchString]*)\[\/url\])ism", $body, $links1, PREG_SET_ORDER);
291 preg_match_all("(\[url\=([$URLSearchString]*)\].*?\[\/url\])ism", $body, $links2, PREG_SET_ORDER);
293 $links = array_merge($links1, $links2);
295 // If there is only a single one, then use it.
296 // This should cover link posts via API.
297 if ((count($links) == 1) && !isset($post["preview"]) && !$has_title) {
298 $post["type"] = "link";
299 $post["text"] = trim($body);
300 $post["url"] = $links[0][1];
303 // Now count the number of external media links
304 preg_match_all("(\[vimeo\](.*?)\[\/vimeo\])ism", $body, $links1, PREG_SET_ORDER);
305 preg_match_all("(\[youtube\\](.*?)\[\/youtube\\])ism", $body, $links2, PREG_SET_ORDER);
306 preg_match_all("(\[video\\](.*?)\[\/video\\])ism", $body, $links3, PREG_SET_ORDER);
307 preg_match_all("(\[audio\\](.*?)\[\/audio\\])ism", $body, $links4, PREG_SET_ORDER);
309 // Add them to the other external links
310 $links = array_merge($links, $links1, $links2, $links3, $links4);
312 // Are there more than one?
313 if (count($links) > 1) {
314 // The post will be the type "text", which means a blog post
315 unset($post["type"]);
316 $post["url"] = $plink;
319 if (!isset($post["type"])) {
320 $post["type"] = "text";
321 $post["text"] = trim($body);
323 } elseif (isset($post["url"]) && ($post["type"] == "video")) {
324 $data = ParseUrl::getSiteinfoCached($post["url"], true);
326 if (isset($data["images"][0])) {
327 $post["image"] = $data["images"][0]["src"];
335 * @brief Convert a message into plaintext for connectors to other networks
337 * @param array $b The message array that is about to be posted
338 * @param int $limit The maximum number of characters when posting to that network
339 * @param bool $includedlinks Has an attached link to be included into the message?
340 * @param int $htmlmode This triggers the behaviour of the bbcode conversion
341 * @param string $target_network Name of the network where the post should go to.
343 * @return string The converted message
345 public static function toPlaintext($b, $limit = 0, $includedlinks = false, $htmlmode = 2, $target_network = "")
347 // Remove the hash tags
348 $URLSearchString = "^\[\]";
349 $body = preg_replace("/([#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $b["body"]);
351 // Add an URL element if the text contains a raw link
352 $body = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url]$2[/url]', $body);
354 // Remove the abstract
355 $body = remove_abstract($body);
357 // At first look at data that is attached via "type-..." stuff
358 // This will hopefully replaced with a dedicated bbcode later
359 //$post = self::getAttachedData($b["body"]);
360 $post = self::getAttachedData($body, $b);
362 if (($b["title"] != "") && ($post["text"] != "")) {
363 $post["text"] = trim($b["title"]."\n\n".$post["text"]);
364 } elseif ($b["title"] != "") {
365 $post["text"] = trim($b["title"]);
370 // Fetch the abstract from the given target network
371 if ($target_network != "") {
372 $default_abstract = fetch_abstract($b["body"]);
373 $abstract = fetch_abstract($b["body"], $target_network);
375 // If we post to a network with no limit we only fetch
376 // an abstract exactly for this network
377 if (($limit == 0) && ($abstract == $default_abstract)) {
380 } else {// Try to guess the correct target network
383 $abstract = fetch_abstract($b["body"], NETWORK_TWITTER);
386 $abstract = fetch_abstract($b["body"], NETWORK_STATUSNET);
389 $abstract = fetch_abstract($b["body"], NETWORK_APPNET);
391 default: // We don't know the exact target.
392 // We fetch an abstract since there is a posting limit.
394 $abstract = fetch_abstract($b["body"]);
399 if ($abstract != "") {
400 $post["text"] = $abstract;
402 if ($post["type"] == "text") {
403 $post["type"] = "link";
404 $post["url"] = $b["plink"];
408 $html = bbcode($post["text"].$post["after"], false, false, $htmlmode);
409 $msg = html2plain($html, 0, true);
410 $msg = trim(html_entity_decode($msg, ENT_QUOTES, 'UTF-8'));
413 if ($includedlinks) {
414 if ($post["type"] == "link") {
415 $link = $post["url"];
416 } elseif ($post["type"] == "text") {
417 $link = $post["url"];
418 } elseif ($post["type"] == "video") {
419 $link = $post["url"];
420 } elseif ($post["type"] == "photo") {
421 $link = $post["image"];
424 if (($msg == "") && isset($post["title"])) {
425 $msg = trim($post["title"]);
428 if (($msg == "") && isset($post["description"])) {
429 $msg = trim($post["description"]);
432 // If the link is already contained in the post, then it neeedn't to be added again
433 // But: if the link is beyond the limit, then it has to be added.
434 if (($link != "") && strstr($msg, $link)) {
435 $pos = strpos($msg, $link);
437 // Will the text be shortened in the link?
438 // Or is the link the last item in the post?
439 if (($limit > 0) && ($pos < $limit) && (($pos + 23 > $limit) || ($pos + strlen($link) == strlen($msg)))) {
440 $msg = trim(str_replace($link, "", $msg));
441 } elseif (($limit == 0) || ($pos < $limit)) {
442 // The limit has to be increased since it will be shortened - but not now
443 // Only do it with Twitter (htmlmode = 8)
444 if (($limit > 0) && (strlen($link) > 23) && ($htmlmode == 8)) {
445 $limit = $limit - 23 + strlen($link);
450 if ($post["type"] == "text") {
458 // Reduce multiple spaces
459 // When posted to a network with limited space, we try to gain space where possible
460 while (strpos($msg, " ") !== false) {
461 $msg = str_replace(" ", " ", $msg);
464 // Twitter is using its own limiter, so we always assume that shortened links will have this length
465 if (iconv_strlen($link, "UTF-8") > 0) {
466 $limit = $limit - 23;
469 if (iconv_strlen($msg, "UTF-8") > $limit) {
470 if (($post["type"] == "text") && isset($post["url"])) {
471 $post["url"] = $b["plink"];
472 } elseif (!isset($post["url"])) {
473 $limit = $limit - 23;
474 $post["url"] = $b["plink"];
475 // Which purpose has this line? It is now uncommented, but left as a reminder
476 //} elseif (strpos($b["body"], "[share") !== false) {
477 // $post["url"] = $b["plink"];
478 } elseif (PConfig::get($b["uid"], "system", "no_intelligent_shortening")) {
479 $post["url"] = $b["plink"];
481 $msg = Plaintext::shorten($msg, $limit);
485 $post["text"] = trim($msg);
490 public static function scaleExternalImages($srctext, $include_link = true, $scale_replace = false)
492 // Suppress "view full size"
493 if (intval(Config::get('system', 'no_view_full_size'))) {
494 $include_link = false;
497 // Picture addresses can contain special characters
498 $s = htmlspecialchars_decode($srctext);
501 $c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism', $s, $matches, PREG_SET_ORDER);
503 foreach ($matches as $mtch) {
504 logger('scale_external_image: ' . $mtch[1]);
506 $hostname = str_replace('www.', '', substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3));
507 if (stristr($mtch[1], $hostname)) {
511 // $scale_replace, if passed, is an array of two elements. The
512 // first is the name of the full-size image. The second is the
513 // name of a remote, scaled-down version of the full size image.
514 // This allows Friendica to display the smaller remote image if
515 // one exists, while still linking to the full-size image
516 if ($scale_replace) {
517 $scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
521 $i = Network::fetchUrl($scaled);
526 // guess mimetype from headers or filename
527 $type = Image::guessType($mtch[1], true);
530 $Image = new Image($i, $type);
531 if ($Image->isValid()) {
532 $orig_width = $Image->getWidth();
533 $orig_height = $Image->getHeight();
535 if ($orig_width > 640 || $orig_height > 640) {
536 $Image->scaleDown(640);
537 $new_width = $Image->getWidth();
538 $new_height = $Image->getHeight();
539 logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
542 '[img=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/img]'
543 . "\n" . (($include_link)
544 ? '[url=' . $mtch[1] . ']' . L10n::t('view full size') . '[/url]' . "\n"
548 logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
555 // replace the special char encoding
556 $s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
561 * The purpose of this function is to apply system message length limits to
562 * imported messages without including any embedded photos in the length
564 * @brief Truncates imported message body string length to max_import_size
565 * @param string $body
568 public static function limitBodySize($body)
570 $maxlen = get_max_import_size();
572 // If the length of the body, including the embedded images, is smaller
573 // than the maximum, then don't waste time looking for the images
574 if ($maxlen && (strlen($body) > $maxlen)) {
576 logger('the total body length exceeds the limit', LOGGER_DEBUG);
582 $img_start = strpos($orig_body, '[img');
583 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
584 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
585 while (($img_st_close !== false) && ($img_end !== false)) {
587 $img_st_close++; // make it point to AFTER the closing bracket
588 $img_end += $img_start;
589 $img_end += strlen('[/img]');
591 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
592 // This is an embedded image
594 if (($textlen + $img_start) > $maxlen) {
595 if ($textlen < $maxlen) {
596 logger('the limit happens before an embedded image', LOGGER_DEBUG);
597 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
601 $new_body = $new_body . substr($orig_body, 0, $img_start);
602 $textlen += $img_start;
605 $new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
608 if (($textlen + $img_end) > $maxlen) {
609 if ($textlen < $maxlen) {
610 logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
611 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
615 $new_body = $new_body . substr($orig_body, 0, $img_end);
616 $textlen += $img_end;
619 $orig_body = substr($orig_body, $img_end);
621 if ($orig_body === false) {
622 // in case the body ends on a closing image tag
626 $img_start = strpos($orig_body, '[img');
627 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
628 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
631 if (($textlen + strlen($orig_body)) > $maxlen) {
632 if ($textlen < $maxlen) {
633 logger('the limit happens after the end of the last image', LOGGER_DEBUG);
634 $new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
637 logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
638 $new_body = $new_body . $orig_body;
648 * Processes [attachment] tags
650 * Note: Can produce a [bookmark] tag in the returned string
652 * @brief Processes [attachment] tags
653 * @param string $return
654 * @param bool|int $simplehtml
655 * @param bool $tryoembed
658 private static function convertAttachment($return, $simplehtml = false, $tryoembed = true)
660 $data = self::getAttachmentData($return);
665 if (isset($data["title"])) {
666 $data["title"] = strip_tags($data["title"]);
667 $data["title"] = str_replace(["http://", "https://"], "", $data["title"]);
670 if (((strpos($data["text"], "[img=") !== false) || (strpos($data["text"], "[img]") !== false) || Config::get('system', 'always_show_preview')) && ($data["image"] != "")) {
671 $data["preview"] = $data["image"];
676 if ($simplehtml == 7) {
677 $return = self::convertUrlForMastodon($data["url"]);
678 } elseif (($simplehtml != 4) && ($simplehtml != 0)) {
679 $return = sprintf('<a href="%s" target="_blank">%s</a><br>', $data["url"], $data["title"]);
682 if ($tryoembed && OEmbed::isAllowedURL($data['url'])) {
683 $return = OEmbed::getHTML($data['url'], $data['title']);
685 throw new Exception('OEmbed is disabled for this attachment.');
687 } catch (Exception $e) {
688 if ($simplehtml != 4) {
689 $return = sprintf('<div class="type-%s">', $data["type"]);
692 if ($data["image"] != "") {
693 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], proxy_url($data["image"]), $data["title"]);
694 } elseif ($data["preview"] != "") {
695 $return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], proxy_url($data["preview"]), $data["title"]);
698 if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
699 $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"]);
701 $return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
704 if ($data["description"] != "" && $data["description"] != $data["title"]) {
705 $return .= sprintf('<blockquote>%s</blockquote>', trim(bbcode($data["description"])));
708 if ($data["type"] == "link") {
709 $return .= sprintf('<sup><a href="%s">%s</a></sup>', $data['url'], parse_url($data['url'], PHP_URL_HOST));
712 if ($simplehtml != 4) {
718 return trim($data["text"] . ' ' . $return . ' ' . $data["after"]);
721 public static function removeShareInformation($Text, $plaintext = false, $nolink = false)
723 $data = self::getAttachmentData($Text);
728 return $data["text"] . $data["after"];
731 $title = htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false);
732 $text = htmlentities($data["text"], ENT_QUOTES, 'UTF-8', false);
733 if ($plaintext || (($title != "") && strstr($text, $title))) {
734 $data["title"] = $data["url"];
735 } elseif (($text != "") && strstr($title, $text)) {
736 $data["text"] = $data["title"];
737 $data["title"] = $data["url"];
740 if (($data["text"] == "") && ($data["title"] != "") && ($data["url"] == "")) {
741 return $data["title"] . $data["after"];
744 // If the link already is included in the post, don't add it again
745 if (($data["url"] != "") && strpos($data["text"], $data["url"])) {
746 return $data["text"] . $data["after"];
749 $text = $data["text"];
751 if (($data["url"] != "") && ($data["title"] != "")) {
752 $text .= "\n[url=" . $data["url"] . "]" . $data["title"] . "[/url]";
753 } elseif (($data["url"] != "")) {
754 $text .= "\n" . $data["url"];
757 return $text . "\n" . $data["after"];
760 private static function cleanCss($input)
764 $input = strtolower($input);
766 for ($i = 0; $i < strlen($input); $i++) {
767 $char = substr($input, $i, 1);
769 if (($char >= "a") && ($char <= "z")) {
773 if (!(strpos(" #;:0123456789-_.%", $char) === false)) {
782 * Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
784 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function)
785 * @param array $match Array with the matching values
786 * @return string reformatted link including HTML codes
788 private static function convertUrlForMastodonCallback($match)
792 if (isset($match[2]) && ($match[1] != $match[2])) {
796 $parts = parse_url($url);
797 if (!isset($parts['scheme'])) {
801 return self::convertUrlForMastodon($url);
805 * @brief Converts [url] BBCodes in a format that looks fine on Mastodon and GNU Social.
806 * @param string $url URL that is about to be reformatted
807 * @return string reformatted link including HTML codes
809 private static function convertUrlForMastodon($url)
811 $parts = parse_url($url);
812 $scheme = $parts['scheme'] . '://';
813 $styled_url = str_replace($scheme, '', $url);
815 $html = '<a href="%s" class="attachment" rel="nofollow noopener" target="_blank">' .
816 '<span class="invisible">%s</span>';
818 if (strlen($styled_url) > 30) {
819 $html .= '<span class="ellipsis">%s</span>' .
820 '<span class="invisible">%s</span></a>';
822 $ellipsis = substr($styled_url, 0, 30);
823 $rest = substr($styled_url, 30);
824 return sprintf($html, $url, $scheme, $ellipsis, $rest);
827 return sprintf($html, $url, $scheme, $styled_url);
832 * [noparse][i]italic[/i][/noparse] turns into
833 * [noparse][ i ]italic[ /i ][/noparse],
834 * to hide them from parser.
836 private static function escapeNoparseCallback($match)
838 $whole_match = $match[0];
839 $captured = $match[1];
840 $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
841 $new_str = str_replace($captured, $spacefied, $whole_match);
846 * The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
847 * now turns back and the [noparse] tags are trimed
848 * returning [i]italic[/i]
850 private static function unescapeNoparseCallback($match)
852 $captured = $match[1];
853 $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
858 * Returns the bracket character positions of a set of opening and closing BBCode tags, optionally skipping first
861 * @param string $text Text to search
862 * @param string $name Tag name
863 * @param int $occurrences Number of first occurrences to skip
864 * @return boolean|array
866 public static function getTagPosition($text, $name, $occurrences = 0)
868 if ($occurrences < 0) {
873 for ($i = 0; $i <= $occurrences; $i++) {
874 if ($start_open !== false) {
875 $start_open = strpos($text, '[' . $name, $start_open + 1); // allow [name= type tags
879 if ($start_open === false) {
883 $start_equal = strpos($text, '=', $start_open);
884 $start_close = strpos($text, ']', $start_open);
886 if ($start_close === false) {
892 $end_open = strpos($text, '[/' . $name . ']', $start_close);
894 if ($end_open === false) {
900 'open' => $start_open,
901 'close' => $start_close
905 'close' => $end_open + strlen('[/' . $name . ']')
909 if ($start_equal !== false) {
910 $res['start']['equal'] = $start_equal + 1;
917 * Performs a preg_replace within the boundaries of all named BBCode tags in a text
919 * @param type $pattern Preg pattern string
920 * @param type $replace Preg replace string
921 * @param type $name BBCode tag name
922 * @param type $text Text to search
925 public static function pregReplaceInTag($pattern, $replace, $name, $text)
928 $pos = get_bb_tag_pos($text, $name, $occurence);
929 while ($pos !== false && $occurence < 1000) {
930 $start = substr($text, 0, $pos['start']['open']);
931 $subject = substr($text, $pos['start']['open'], $pos['end']['close'] - $pos['start']['open']);
932 $end = substr($text, $pos['end']['close']);
933 if ($end === false) {
937 $subject = preg_replace($pattern, $replace, $subject);
938 $text = $start . $subject . $end;
941 $pos = get_bb_tag_pos($text, $name, $occurence);
947 public static function extractImagesFromItemBody($body)
954 $img_start = strpos($orig_body, '[img');
955 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
956 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
957 while (($img_st_close !== false) && ($img_end !== false)) {
958 $img_st_close++; // make it point to AFTER the closing bracket
959 $img_end += $img_start;
961 if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
962 // This is an embedded image
963 $saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - ($img_start + $img_st_close));
964 $new_body = $new_body . substr($orig_body, 0, $img_start) . '[$#saved_image' . $cnt . '#$]';
968 $new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
971 $orig_body = substr($orig_body, $img_end + strlen('[/img]'));
973 if ($orig_body === false) {
974 // in case the body ends on a closing image tag
978 $img_start = strpos($orig_body, '[img');
979 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
980 $img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
983 $new_body = $new_body . $orig_body;
985 return ['body' => $new_body, 'images' => $saved_image];
988 public static function interpolateSavedImagesIntoItemBody($body, array $images)
993 foreach ($images as $image) {
994 // We're depending on the property of 'foreach' (specified on the PHP website) that
995 // it loops over the array starting from the first element and going sequentially
996 // to the last element
997 $newbody = str_replace('[$#saved_image' . $cnt . '#$]',
998 '<img src="' . proxy_url($image) . '" alt="' . L10n::t('Image/photo') . '" />', $newbody);
1006 * Processes [share] tags
1008 * Note: Can produce a [bookmark] tag in the output
1010 * @brief Processes [share] tags
1011 * @param array $share preg_match_callback result array
1012 * @param bool|int $simplehtml
1015 public static function convertShare($share, $simplehtml)
1017 $attributes = $share[2];
1020 preg_match("/author='(.*?)'/ism", $attributes, $matches);
1021 if (x($matches, 1)) {
1022 $author = html_entity_decode($matches[1], ENT_QUOTES, 'UTF-8');
1025 preg_match('/author="(.*?)"/ism', $attributes, $matches);
1026 if (x($matches, 1)) {
1027 $author = $matches[1];
1031 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
1032 if (x($matches, 1)) {
1033 $profile = $matches[1];
1036 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
1037 if (x($matches, 1)) {
1038 $profile = $matches[1];
1042 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
1043 if (x($matches, 1)) {
1044 $avatar = $matches[1];
1047 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
1048 if (x($matches, 1)) {
1049 $avatar = $matches[1];
1053 preg_match("/link='(.*?)'/ism", $attributes, $matches);
1054 if (x($matches, 1)) {
1055 $link = $matches[1];
1058 preg_match('/link="(.*?)"/ism', $attributes, $matches);
1059 if (x($matches, 1)) {
1060 $link = $matches[1];
1065 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
1066 if (x($matches, 1)) {
1067 $posted = $matches[1];
1070 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
1071 if (x($matches, 1)) {
1072 $posted = $matches[1];
1075 // We only call this so that a previously unknown contact can be added.
1076 // This is important for the function "get_contact_details_by_url".
1077 // This function then can fetch an entry from the contact table.
1078 Contact::getIdForURL($profile, 0);
1080 $data = Contact::getDetailsByURL($profile);
1082 if (x($data, "name") && x($data, "addr")) {
1083 $userid_compact = $data["name"] . " (" . $data["addr"] . ")";
1085 $userid_compact = GetProfileUsername($profile, $author, true);
1088 if (x($data, "addr")) {
1089 $userid = $data["addr"];
1091 $userid = GetProfileUsername($profile, $author, false);
1094 if (x($data, "name")) {
1095 $author = $data["name"];
1098 if (x($data, "micro")) {
1099 $avatar = $data["micro"];
1102 $preshare = trim($share[1]);
1103 if ($preshare != "") {
1104 $preshare .= "<br />";
1107 switch ($simplehtml) {
1109 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' <a href="' . $profile . '">' . $userid . "</a>: <br />»" . $share[3] . "«";
1112 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
1115 $headline .= '<b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $userid . ':</b><br />';
1117 $text = trim($share[1]);
1123 if (stripos(normalise_link($link), 'http://twitter.com/') === 0) {
1124 $text .= $headline . '<blockquote>' . trim($share[3]) . "</blockquote><br />";
1127 $text .= '<br /><a href="' . $link . '">[l]</a>';
1130 $text .= '<br /><a href="' . $link . '">' . $link . '</a>';
1135 $headline .= '<br /><b>' . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8');
1136 $headline .= L10n::t('<a href="%1$s" target="_blank">%2$s</a> %3$s', $link, $userid, $posted);
1137 $headline .= ":</b><br />";
1139 $text = trim($share[1]);
1145 $text .= $headline . '<blockquote class="shared_content">' . trim($share[3]) . "</blockquote><br />";
1149 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
1152 $text = $preshare . ">> @" . $userid_compact . ": <br />" . $share[3];
1154 case 7: // statusnet/GNU Social
1155 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . " @" . $userid_compact . ": " . $share[3];
1158 $text = $preshare . "RT @" . $userid_compact . ": " . $share[3];
1160 case 9: // Google+/Facebook
1161 $text = $preshare . html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . ' ' . $userid_compact . ": <br />" . $share[3];
1164 $text .= "<br /><br />" . $link;
1168 // Transforms quoted tweets in rich attachments to avoid nested tweets
1169 if (stripos(normalise_link($link), 'http://twitter.com/') === 0 && OEmbed::isAllowedURL($link)) {
1171 $oembed = OEmbed::getHTML($link, $preshare);
1172 } catch (Exception $e) {
1173 $oembed = sprintf('[bookmark=%s]%s[/bookmark]', $link, $preshare);
1176 $text = $preshare . $oembed;
1178 $text = trim($share[1]) . "\n";
1180 $avatar = proxy_url($avatar, false, PROXY_SIZE_THUMB);
1182 $tpl = get_markup_template('shared_content.tpl');
1183 $text .= replace_macros($tpl, [
1184 '$profile' => $profile,
1185 '$avatar' => $avatar,
1186 '$author' => $author,
1188 '$posted' => $posted,
1189 '$content' => trim($share[3])
1198 private static function removePictureLinksCallback($match)
1200 $text = Cache::get($match[1]);
1202 if (is_null($text)) {
1205 $stamp1 = microtime(true);
1207 $ch = @curl_init($match[1]);
1208 @curl_setopt($ch, CURLOPT_NOBODY, true);
1209 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
1210 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
1212 $curl_info = @curl_getinfo($ch);
1214 $a->save_timestamp($stamp1, "network");
1216 if (substr($curl_info["content_type"], 0, 6) == "image/") {
1217 $text = "[url=" . $match[1] . "]" . $match[1] . "[/url]";
1219 $text = "[url=" . $match[2] . "]" . $match[2] . "[/url]";
1221 // if its not a picture then look if its a page that contains a picture link
1222 $body = Network::fetchUrl($match[1]);
1224 $doc = new DOMDocument();
1225 @$doc->loadHTML($body);
1226 $xpath = new DomXPath($doc);
1227 $list = $xpath->query("//meta[@name]");
1228 foreach ($list as $node) {
1231 if ($node->attributes->length) {
1232 foreach ($node->attributes as $attribute) {
1233 $attr[$attribute->name] = $attribute->value;
1237 if (strtolower($attr["name"]) == "twitter:image") {
1238 $text = "[url=" . $attr["content"] . "]" . $attr["content"] . "[/url]";
1242 Cache::set($match[1], $text);
1248 private static function expandLinksCallback($match)
1250 if (($match[3] == "") || ($match[2] == $match[3]) || stristr($match[2], $match[3])) {
1251 return ($match[1] . "[url]" . $match[2] . "[/url]");
1253 return ($match[1] . $match[3] . " [url]" . $match[2] . "[/url]");
1257 private static function cleanPictureLinksCallback($match)
1259 $text = Cache::get($match[1]);
1261 if (is_null($text)) {
1264 $stamp1 = microtime(true);
1266 $ch = @curl_init($match[1]);
1267 @curl_setopt($ch, CURLOPT_NOBODY, true);
1268 @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
1269 @curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
1271 $curl_info = @curl_getinfo($ch);
1273 $a->save_timestamp($stamp1, "network");
1275 // if its a link to a picture then embed this picture
1276 if (substr($curl_info["content_type"], 0, 6) == "image/") {
1277 $text = "[img]" . $match[1] . "[/img]";
1279 $text = "[img]" . $match[2] . "[/img]";
1281 // if its not a picture then look if its a page that contains a picture link
1282 $body = Network::fetchUrl($match[1]);
1284 $doc = new DOMDocument();
1285 @$doc->loadHTML($body);
1286 $xpath = new DomXPath($doc);
1287 $list = $xpath->query("//meta[@name]");
1288 foreach ($list as $node) {
1290 if ($node->attributes->length) {
1291 foreach ($node->attributes as $attribute) {
1292 $attr[$attribute->name] = $attribute->value;
1296 if (strtolower($attr["name"]) == "twitter:image") {
1297 $text = "[img]" . $attr["content"] . "[/img]";
1301 Cache::set($match[1], $text);
1307 public static function cleanPictureLinks($text)
1309 $return = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::cleanPictureLinksCallback', $text);
1313 private static function textHighlightCallback($match)
1315 if (in_array(strtolower($match[1]),
1316 ['php', 'css', 'mysql', 'sql', 'abap', 'diff', 'html', 'perl', 'ruby',
1317 'vbscript', 'avrc', 'dtd', 'java', 'xml', 'cpp', 'python', 'javascript', 'js', 'sh'])
1319 return text_highlight($match[2], strtolower($match[1]));
1325 * @brief Converts a BBCode message to HTML message
1327 * BBcode 2 HTML was written by WAY2WEB.net
1328 * extended to work with Mistpark/Friendica - Mike Macgirvin
1330 * Simple HTML values meaning:
1331 * - 0: Friendica display
1333 * - 2: Used for Facebook, Google+, Windows Phone push, Friendica API
1334 * - 3: Used before converting to Markdown in bb2diaspora.php
1335 * - 4: Used for WordPress, Libertree (before Markdown), pump.io and tumblr
1337 * - 6: Used for Appnet
1338 * - 7: Used for dfrn, OStatus
1339 * - 8: Used for WP backlink text setting
1341 * @param string $text
1342 * @param bool $preserve_nl
1343 * @param bool $try_oembed
1344 * @param int $simple_html
1345 * @param bool $for_plaintext
1348 public static function convert($text, $preserve_nl = false, $try_oembed = true, $simple_html = false, $for_plaintext = false)
1353 * preg_match_callback function to replace potential Oembed tags with Oembed content
1355 * $match[0] = [tag]$url[/tag] or [tag=$url]$title[/tag]
1357 * $match[2] = $title or absent
1359 $try_oembed_callback = function ($match)
1362 $title = defaults($match, 2, null);
1365 $return = OEmbed::getHTML($url, $title);
1366 } catch (Exception $ex) {
1367 $return = $match[0];
1373 // Hide all [noparse] contained bbtags by spacefying them
1374 // POSSIBLE BUG --> Will the 'preg' functions crash if there's an embedded image?
1376 $text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'self::escapeNoparseCallback', $text);
1377 $text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'self::escapeNoparseCallback', $text);
1378 $text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'self::escapeNoparseCallback', $text);
1380 // Remove the abstract element. It is a non visible element.
1381 $text = remove_abstract($text);
1383 // Move all spaces out of the tags
1384 $text = preg_replace("/\[(\w*)\](\s*)/ism", '$2[$1]', $text);
1385 $text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $text);
1387 // Extract the private images which use data urls since preg has issues with
1388 // large data sizes. Stash them away while we do bbcode conversion, and then put them back
1389 // in after we've done all the regex matching. We cannot use any preg functions to do this.
1391 $extracted = bb_extract_images($text);
1392 $text = $extracted['body'];
1393 $saved_image = $extracted['images'];
1395 // If we find any event code, turn it into an event.
1396 // After we're finished processing the bbcode we'll
1397 // replace all of the event code with a reformatted version.
1399 $ev = bbtoevent($text);
1401 // Replace any html brackets with HTML Entities to prevent executing HTML or script
1402 // Don't use strip_tags here because it breaks [url] search by replacing & with amp
1404 $text = str_replace("<", "<", $text);
1405 $text = str_replace(">", ">", $text);
1407 // remove some newlines before the general conversion
1408 $text = preg_replace("/\s?\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "[share$1]$2[/share]", $text);
1409 $text = preg_replace("/\s?\[quote(.*?)\]\s?(.*?)\s?\[\/quote\]\s?/ism", "[quote$1]$2[/quote]", $text);
1411 $text = preg_replace("/\n\[code\]/ism", "[code]", $text);
1412 $text = preg_replace("/\[\/code\]\n/ism", "[/code]", $text);
1414 // when the content is meant exporting to other systems then remove the avatar picture since this doesn't really look good on these systems
1416 $text = preg_replace("/\[share(.*?)avatar\s?=\s?'.*?'\s?(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", "\n[share$1$2]$3[/share]", $text);
1419 // Check for [code] text here, before the linefeeds are messed with.
1420 // The highlighter will unescape and re-escape the content.
1421 if (strpos($text, '[code=') !== false) {
1422 $text = preg_replace_callback("/\[code=(.*?)\](.*?)\[\/code\]/ism", 'self::textHighlightCallback', $text);
1424 // Convert new line chars to html <br /> tags
1426 // nlbr seems to be hopelessly messed up
1427 // $Text = nl2br($Text);
1429 // We'll emulate it.
1431 $text = trim($text);
1432 $text = str_replace("\r\n", "\n", $text);
1434 // removing multiplicated newlines
1435 if (Config::get("system", "remove_multiplicated_lines")) {
1436 $search = ["\n\n\n", "\n ", " \n", "[/quote]\n\n", "\n[/quote]", "[/li]\n", "\n[li]", "\n[ul]", "[/ul]\n", "\n\n[share ", "[/attachment]\n",
1437 "\n[h1]", "[/h1]\n", "\n[h2]", "[/h2]\n", "\n[h3]", "[/h3]\n", "\n[h4]", "[/h4]\n", "\n[h5]", "[/h5]\n", "\n[h6]", "[/h6]\n"];
1438 $replace = ["\n\n", "\n", "\n", "[/quote]\n", "[/quote]", "[/li]", "[li]", "[ul]", "[/ul]", "\n[share ", "[/attachment]",
1439 "[h1]", "[/h1]", "[h2]", "[/h2]", "[h3]", "[/h3]", "[h4]", "[/h4]", "[h5]", "[/h5]", "[h6]", "[/h6]"];
1442 $text = str_replace($search, $replace, $text);
1443 } while ($oldtext != $text);
1446 // Set up the parameters for a URL search string
1447 $URLSearchString = "^\[\]";
1448 // Set up the parameters for a MAIL search string
1449 $MAILSearchString = $URLSearchString;
1451 // if the HTML is used to generate plain text, then don't do this search, but replace all URL of that kind to text
1452 if (!$for_plaintext) {
1453 // Autolink feature (thanks to http://code.seebz.net/p/autolink-php/)
1454 // Currently disabled, since the function is too greedy
1455 // $autolink_regex = "`([^\]\=\"']|^)(https?\://[^\s<]+[^\s<\.\)])`ism";
1456 $autolink_regex = "/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism";
1457 $text = preg_replace($autolink_regex, '$1[url]$2[/url]', $text);
1458 if ($simple_html == 7) {
1459 $text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism", 'self::convertUrlForMastodonCallback', $text);
1460 $text = preg_replace_callback("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", 'self::convertUrlForMastodonCallback', $text);
1463 $text = preg_replace("(\[url\]([$URLSearchString]*)\[\/url\])ism", " $1 ", $text);
1464 $text = preg_replace_callback("&\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]&Usi", 'self::removePictureLinksCallback', $text);
1468 // Handle attached links or videos
1469 $text = self::convertAttachment($text, $simple_html, $try_oembed);
1471 $text = str_replace(["\r","\n"], ['<br />', '<br />'], $text);
1474 $text = str_replace(["\n", "\r"], ['', ''], $text);
1477 // Remove all hashtag addresses
1478 if ((!$try_oembed || $simple_html) && !in_array($simple_html, [3, 7])) {
1479 $text = preg_replace("/([#@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$1$3', $text);
1480 } elseif ($simple_html == 3) {
1481 // The ! is converted to @ since Diaspora only understands the @
1482 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1483 '@<a href="$2">$3</a>',
1485 } elseif ($simple_html == 7) {
1486 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1487 '$1<span class="vcard"><a href="$2" class="url" title="$3"><span class="fn nickname mention">$3</span></a></span>',
1489 } elseif (!$simple_html) {
1490 $text = preg_replace("/([@!])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1491 '$1<a href="$2" class="userinfo mention" title="$3">$3</a>',
1495 // Bookmarks in red - will be converted to bookmarks in friendica
1496 $text = preg_replace("/#\^\[url\]([$URLSearchString]*)\[\/url\]/ism", '[bookmark=$1]$1[/bookmark]', $text);
1497 $text = preg_replace("/#\^\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[bookmark=$1]$2[/bookmark]', $text);
1498 $text = preg_replace("/#\[url\=[$URLSearchString]*\]\^\[\/url\]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
1499 "[bookmark=$1]$2[/bookmark]", $text);
1501 if (in_array($simple_html, [2, 6, 7, 8, 9])) {
1502 $text = preg_replace_callback("/([^#@!])\[url\=([^\]]*)\](.*?)\[\/url\]/ism", "self::expandLinksCallback", $text);
1503 //$Text = preg_replace("/[^#@!]\[url\=([^\]]*)\](.*?)\[\/url\]/ism", ' $2 [url]$1[/url]', $Text);
1504 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", ' $2 [url]$1[/url]',$text);
1507 if ($simple_html == 5) {
1508 $text = preg_replace("/[^#@!]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[url]$1[/url]', $text);
1511 // Perform URL Search
1513 $text = preg_replace_callback("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $try_oembed_callback, $text);
1516 if ($simple_html == 5) {
1517 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url]$1[/url]', $text);
1519 $text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", '[url=$1]$2[/url]', $text);
1522 // Handle Diaspora posts
1523 $text = preg_replace_callback(
1524 "&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
1526 return "[url=" . System::baseUrl() . "/display/" . $match[1] . "]" . $match[2] . "[/url]";
1530 // Server independent link to posts and comments
1531 // See issue: https://github.com/diaspora/diaspora_federation/issues/75
1532 $expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
1533 $text = preg_replace($expression, System::baseUrl()."/display/$1", $text);
1535 $text = preg_replace("/([#])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1536 '$1<a href="' . System::baseUrl() . '/search?tag=$3" class="tag" title="$3">$3</a>', $text);
1538 $text = preg_replace("/\[url\=([$URLSearchString]*)\]#(.*?)\[\/url\]/ism",
1539 '#<a href="' . System::baseUrl() . '/search?tag=$2" class="tag" title="$2">$2</a>', $text);
1541 $text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$1</a>', $text);
1542 $text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $text);
1543 //$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" target="_blank">$2</a>', $Text);
1545 // Red compatibility, though the link can't be authenticated on Friendica
1546 $text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a href="$1" target="_blank">$2</a>', $text);
1549 // we may need to restrict this further if it picks up too many strays
1550 // link acct:user@host to a webfinger profile redirector
1552 $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);
1554 // Perform MAIL Search
1555 $text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $text);
1556 $text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $text);
1558 // leave open the posibility of [map=something]
1559 // this is replaced in prepare_body() which has knowledge of the item location
1561 if (strpos($text, '[/map]') !== false) {
1562 $text = preg_replace_callback(
1563 "/\[map\](.*?)\[\/map\]/ism",
1565 // the extra space in the following line is intentional
1566 // Whyyy? - @MrPetovan
1567 return str_replace($match[0], '<div class="map" >' . Map::byLocation($match[1]) . '</div>', $match[0]);
1572 if (strpos($text, '[map=') !== false) {
1573 $text = preg_replace_callback(
1574 "/\[map=(.*?)\]/ism",
1576 // the extra space in the following line is intentional
1577 // Whyyy? - @MrPetovan
1578 return str_replace($match[0], '<div class="map" >' . Map::byCoordinates(str_replace('/', ' ', $match[1])) . '</div>', $match[0]);
1583 if (strpos($text, '[map]') !== false) {
1584 $text = preg_replace("/\[map\]/", '<div class="map"></div>', $text);
1587 // Check for headers
1588 $text = preg_replace("(\[h1\](.*?)\[\/h1\])ism", '<h1>$1</h1>', $text);
1589 $text = preg_replace("(\[h2\](.*?)\[\/h2\])ism", '<h2>$1</h2>', $text);
1590 $text = preg_replace("(\[h3\](.*?)\[\/h3\])ism", '<h3>$1</h3>', $text);
1591 $text = preg_replace("(\[h4\](.*?)\[\/h4\])ism", '<h4>$1</h4>', $text);
1592 $text = preg_replace("(\[h5\](.*?)\[\/h5\])ism", '<h5>$1</h5>', $text);
1593 $text = preg_replace("(\[h6\](.*?)\[\/h6\])ism", '<h6>$1</h6>', $text);
1595 // Check for paragraph
1596 $text = preg_replace("(\[p\](.*?)\[\/p\])ism", '<p>$1</p>', $text);
1598 // Check for bold text
1599 $text = preg_replace("(\[b\](.*?)\[\/b\])ism", '<strong>$1</strong>', $text);
1601 // Check for Italics text
1602 $text = preg_replace("(\[i\](.*?)\[\/i\])ism", '<em>$1</em>', $text);
1604 // Check for Underline text
1605 $text = preg_replace("(\[u\](.*?)\[\/u\])ism", '<u>$1</u>', $text);
1607 // Check for strike-through text
1608 $text = preg_replace("(\[s\](.*?)\[\/s\])ism", '<strike>$1</strike>', $text);
1610 // Check for over-line text
1611 $text = preg_replace("(\[o\](.*?)\[\/o\])ism", '<span class="overline">$1</span>', $text);
1613 // Check for colored text
1614 $text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism", "<span style=\"color: $1;\">$2</span>", $text);
1616 // Check for sized text
1617 // [size=50] --> font-size: 50px (with the unit).
1618 $text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1px; line-height: initial;\">$2</span>", $text);
1619 $text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism", "<span style=\"font-size: $1; line-height: initial;\">$2</span>", $text);
1621 // Check for centered text
1622 $text = preg_replace("(\[center\](.*?)\[\/center\])ism", "<div style=\"text-align:center;\">$1</div>", $text);
1624 // Check for list text
1625 $text = str_replace("[*]", "<li>", $text);
1627 // Check for style sheet commands
1628 $text = preg_replace_callback(
1629 "(\[style=(.*?)\](.*?)\[\/style\])ism",
1631 return "<span style=\"" . self::cleanCss($match[1]) . ";\">" . $match[2] . "</span>";
1636 // Check for CSS classes
1637 $text = preg_replace_callback(
1638 "(\[class=(.*?)\](.*?)\[\/class\])ism",
1640 return "<span class=\"" . self::cleanCss($match[1]) . "\">" . $match[2] . "</span>";
1645 // handle nested lists
1648 while ((((strpos($text, "[/list]") !== false) && (strpos($text, "[list") !== false)) ||
1649 ((strpos($text, "[/ol]") !== false) && (strpos($text, "[ol]") !== false)) ||
1650 ((strpos($text, "[/ul]") !== false) && (strpos($text, "[ul]") !== false)) ||
1651 ((strpos($text, "[/li]") !== false) && (strpos($text, "[li]") !== false))) && (++$endlessloop < 20)) {
1652 $text = preg_replace("/\[list\](.*?)\[\/list\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1653 $text = preg_replace("/\[list=\](.*?)\[\/list\]/ism", '<ul class="listnone" style="list-style-type: none;">$1</ul>', $text);
1654 $text = preg_replace("/\[list=1\](.*?)\[\/list\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1655 $text = preg_replace("/\[list=((?-i)i)\](.*?)\[\/list\]/ism", '<ul class="listlowerroman" style="list-style-type: lower-roman;">$2</ul>', $text);
1656 $text = preg_replace("/\[list=((?-i)I)\](.*?)\[\/list\]/ism", '<ul class="listupperroman" style="list-style-type: upper-roman;">$2</ul>', $text);
1657 $text = preg_replace("/\[list=((?-i)a)\](.*?)\[\/list\]/ism", '<ul class="listloweralpha" style="list-style-type: lower-alpha;">$2</ul>', $text);
1658 $text = preg_replace("/\[list=((?-i)A)\](.*?)\[\/list\]/ism", '<ul class="listupperalpha" style="list-style-type: upper-alpha;">$2</ul>', $text);
1659 $text = preg_replace("/\[ul\](.*?)\[\/ul\]/ism", '<ul class="listbullet" style="list-style-type: circle;">$1</ul>', $text);
1660 $text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>', $text);
1661 $text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>', $text);
1664 $text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>', $text);
1665 $text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>', $text);
1666 $text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>', $text);
1667 $text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>', $text);
1669 $text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>', $text);
1670 $text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>', $text);
1672 $text = str_replace('[hr]', '<hr />', $text);
1674 // This is actually executed in prepare_body()
1676 $text = str_replace('[nosmile]', '', $text);
1678 // Check for font change text
1679 $text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $text);
1681 // Declare the format for [code] layout
1683 $CodeLayout = '<code>$1</code>';
1684 // Check for [code] text
1685 $text = preg_replace("/\[code\](.*?)\[\/code\]/ism", "$CodeLayout", $text);
1687 // Declare the format for [spoiler] layout
1688 $SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
1690 // Check for [spoiler] text
1691 // handle nested quotes
1693 while ((strpos($text, "[/spoiler]") !== false) && (strpos($text, "[spoiler]") !== false) && (++$endlessloop < 20)) {
1694 $text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism", "$SpoilerLayout", $text);
1697 // Check for [spoiler=Author] text
1699 $t_wrote = L10n::t('$1 wrote:');
1701 // handle nested quotes
1703 while ((strpos($text, "[/spoiler]")!== false) && (strpos($text, "[spoiler=") !== false) && (++$endlessloop < 20)) {
1704 $text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism",
1705 "<br /><strong class=".'"spoiler"'.">" . $t_wrote . "</strong><blockquote class=".'"spoiler"'.">$2</blockquote>",
1709 // Declare the format for [quote] layout
1710 $QuoteLayout = '<blockquote>$1</blockquote>';
1712 // Check for [quote] text
1713 // handle nested quotes
1715 while ((strpos($text, "[/quote]") !== false) && (strpos($text, "[quote]") !== false) && (++$endlessloop < 20)) {
1716 $text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism", "$QuoteLayout", $text);
1719 // Check for [quote=Author] text
1721 $t_wrote = L10n::t('$1 wrote:');
1723 // handle nested quotes
1725 while ((strpos($text, "[/quote]")!== false) && (strpos($text, "[quote=") !== false) && (++$endlessloop < 20)) {
1726 $text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism",
1727 "<br /><strong class=".'"author"'.">" . $t_wrote . "</strong><blockquote>$2</blockquote>",
1732 // [img=widthxheight]image source[/img]
1733 $text = preg_replace_callback(
1734 "/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism",
1735 function ($matches) {
1736 if (strpos($matches[3], "data:image/") === 0) {
1740 $matches[3] = proxy_url($matches[3]);
1741 return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
1746 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $text);
1747 $text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $text);
1750 // [img]pathtoimage[/img]
1751 $text = preg_replace_callback(
1752 "/\[img\](.*?)\[\/img\]/ism",
1753 function ($matches) {
1754 if (strpos($matches[1], "data:image/") === 0) {
1758 $matches[1] = proxy_url($matches[1]);
1759 return "[img]" . $matches[1] . "[/img]";
1764 $text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $text);
1765 $text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img src="$1" alt="' . L10n::t('Image/photo') . '" />', $text);
1768 $text = preg_replace_callback("/(.*?)\[share(.*?)\](.*?)\[\/share\]/ism",
1769 function ($match) use ($simple_html) {
1770 return bb_ShareAttributes($match, $simple_html);
1773 $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);
1774 $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 />', $text);
1775 //$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);
1779 $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);
1780 $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);
1782 $text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", $try_oembed_callback, $text);
1783 $text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", $try_oembed_callback, $text);
1785 $text = preg_replace("/\[video\](.*?)\[\/video\]/",
1786 '<a href="$1" target="_blank">$1</a>', $text);
1787 $text = preg_replace("/\[audio\](.*?)\[\/audio\]/",
1788 '<a href="$1" target="_blank">$1</a>', $text);
1791 // html5 video and audio
1795 $text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $text);
1797 $text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $text);
1800 // Youtube extensions
1802 $text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1803 $text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1804 $text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism", $try_oembed_callback, $text);
1807 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1808 $text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1809 $text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism", '[youtube]$1[/youtube]', $text);
1812 $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);
1814 $text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
1815 '<a href="https://www.youtube.com/watch?v=$1" target="_blank">https://www.youtube.com/watch?v=$1</a>', $text);
1819 $text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1820 $text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism", $try_oembed_callback, $text);
1823 $text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1824 $text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism", '[vimeo]$1[/vimeo]', $text);
1827 $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);
1829 $text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
1830 '<a href="https://vimeo.com/$1" target="_blank">https://vimeo.com/$1</a>', $text);
1834 $text = OEmbed::BBCode2HTML($text);
1836 // Avoid triple linefeeds through oembed
1837 $text = str_replace("<br style='clear:left'></span><br /><br />", "<br style='clear:left'></span><br />", $text);
1839 // If we found an event earlier, strip out all the event code and replace with a reformatted version.
1840 // Replace the event-start section with the entire formatted event. The other bbcode is stripped.
1841 // Summary (e.g. title) is required, earlier revisions only required description (in addition to
1842 // start which is always required). Allow desc with a missing summary for compatibility.
1844 if ((x($ev, 'desc') || x($ev, 'summary')) && x($ev, 'start')) {
1845 $sub = format_event_html($ev, $simple_html);
1847 $text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/ism", '', $text);
1848 $text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/ism", '', $text);
1849 $text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/ism", $sub, $text);
1850 $text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/ism", '', $text);
1851 $text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/ism", '', $text);
1852 $text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/ism", '', $text);
1853 $text = preg_replace("/\[event\-id\](.*?)\[\/event\-id\]/ism", '', $text);
1856 // Replace non graphical smilies for external posts
1858 $text = Smilies::replace($text, false, true);
1861 // Replace inline code blocks
1862 $text = preg_replace_callback("|(?!<br[^>]*>)<code>([^<]*)</code>(?!<br[^>]*>)|ism",
1863 function ($match) use ($simple_html) {
1864 $return = '<key>' . $match[1] . '</key>';
1865 // Use <code> for Diaspora inline code blocks
1866 if ($simple_html === 3) {
1867 $return = '<code>' . $match[1] . '</code>';
1873 // Unhide all [noparse] contained bbtags unspacefying them
1874 // and triming the [noparse] tag.
1876 $text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'self::unescapeNoparseCallback', $text);
1877 $text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'self::unescapeNoparseCallback', $text);
1878 $text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'self::unescapeNoparseCallback', $text);
1881 $text = preg_replace('/\[\&\;([#a-z0-9]+)\;\]/', '&$1;', $text);
1882 $text = preg_replace('/\&\#039\;/', '\'', $text);
1883 $text = preg_replace('/\"\;/', '"', $text);
1885 // fix any escaped ampersands that may have been converted into links
1886 $text = preg_replace('/\<([^>]*?)(src|href)=(.*?)\&\;(.*?)\>/ism', '<$1$2=$3&$4>', $text);
1888 // sanitizes src attributes (http and redir URLs for displaying in a web page, cid used for inline images in emails)
1889 $allowed_src_protocols = ['http', 'redir', 'cid'];
1890 $text = preg_replace('#<([^>]*?)(src)="(?!' . implode('|', $allowed_src_protocols) . ')(.*?)"(.*?)>#ism',
1891 '<$1$2=""$4 data-original-src="$3" class="invalid-src" title="' . L10n::t('Invalid source protocol') . '">', $text);
1893 // sanitize href attributes (only whitelisted protocols URLs)
1894 // default value for backward compatibility
1895 $allowed_link_protocols = Config::get('system', 'allowed_link_protocols', ['ftp', 'mailto', 'gopher', 'cid']);
1897 // Always allowed protocol even if config isn't set or not including it
1898 $allowed_link_protocols[] = 'http';
1899 $allowed_link_protocols[] = 'redir/';
1901 $regex = '#<([^>]*?)(href)="(?!' . implode('|', $allowed_link_protocols) . ')(.*?)"(.*?)>#ism';
1902 $text = preg_replace($regex, '<$1$2="javascript:void(0)"$4 data-original-href="$3" class="invalid-href" title="' . L10n::t('Invalid link protocol') . '">', $text);
1905 $text = bb_replace_images($text, $saved_image);
1908 // Clean up the HTML by loading and saving the HTML with the DOM.
1909 // Bad structured html can break a whole page.
1910 // For performance reasons do it only with ativated item cache or at export.
1911 if (!$try_oembed || (get_itemcachepath() != "")) {
1912 $doc = new DOMDocument();
1913 $doc->preserveWhiteSpace = false;
1915 $text = mb_convert_encoding($text, 'HTML-ENTITIES', "UTF-8");
1917 $doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">';
1918 $encoding = '<?xml encoding="UTF-8">';
1919 @$doc->loadHTML($encoding.$doctype."<html><body>".$text."</body></html>");
1920 $doc->encoding = 'UTF-8';
1921 $text = $doc->saveHTML();
1922 $text = str_replace(["<html><body>", "</body></html>", $doctype, $encoding], ["", "", "", ""], $text);
1924 $text = str_replace('<br></li>', '</li>', $text);
1926 //$Text = mb_convert_encoding($Text, "UTF-8", 'HTML-ENTITIES');
1929 // Clean up some useless linebreaks in lists
1930 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1931 //$Text = str_replace('</ul><br />', '</ul>', $Text);
1932 //$Text = str_replace('</li><br />', '</li>', $Text);
1933 //$Text = str_replace('<br /><li>', '<li>', $Text);
1934 //$Text = str_replace('<br /><ul', '<ul ', $Text);
1936 Addon::callHooks('bbcode', $text);
1942 * @brief Removes the "abstract" element from the text
1944 * @param string $text The text with BBCode
1945 * @return string The same text - but without "abstract" element
1947 public static function removeAbstract($text)
1949 $text = preg_replace("/[\s|\n]*\[abstract\].*?\[\/abstract\][\s|\n]*/ism", '', $text);
1950 $text = preg_replace("/[\s|\n]*\[abstract=.*?\].*?\[\/abstract][\s|\n]*/ism", '', $text);
1956 * @brief Returns the value of the "abstract" element
1958 * @param string $text The text that maybe contains the element
1959 * @param string $addon The addon for which the abstract is meant for
1960 * @return string The abstract
1962 public static function getAbstract($text, $addon = "")
1966 $addon = strtolower($addon);
1968 if (preg_match_all("/\[abstract=(.*?)\](.*?)\[\/abstract\]/ism", $text, $results, PREG_SET_ORDER)) {
1969 foreach ($results AS $result) {
1970 $abstracts[strtolower($result[1])] = $result[2];
1974 if (isset($abstracts[$addon])) {
1975 $abstract = $abstracts[$addon];
1978 if ($abstract == "" && preg_match("/\[abstract\](.*?)\[\/abstract\]/ism", $text, $result)) {
1979 $abstract = $result[1];