2011-08-23 10:00:29 +02:00
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<?php
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2018-01-27 17:13:41 +01:00
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use Friendica\Content\Text\BBCode;
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2018-01-15 00:59:08 +01:00
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use Friendica\Content\Text\Markdown;
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2018-01-17 19:42:40 +01:00
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use Friendica\Core\Addon;
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2018-01-25 03:08:45 +01:00
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use Friendica\Core\L10n;
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2017-08-26 08:04:21 +02:00
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use Friendica\Core\System;
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2017-12-07 15:04:24 +01:00
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use Friendica\Model\Contact;
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2017-05-07 20:44:30 +02:00
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use Friendica\Network\Probe;
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2018-01-25 03:08:45 +01:00
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use Friendica\Util\Temporal;
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2017-04-07 05:43:55 +02:00
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use League\HTMLToMarkdown\HtmlConverter;
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2017-05-07 20:40:23 +02:00
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require_once 'include/event.php';
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require_once 'include/html2bbcode.php';
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require_once 'include/bbcode.php';
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2011-08-26 01:37:27 +02:00
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2017-02-04 23:22:12 +01:00
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/**
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* @brief Callback function to replace a Diaspora style mention in a mention for Friendica
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*
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* @param array $match Matching values for the callback
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2017-02-05 08:02:20 +01:00
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* @return string Replaced mention
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2017-02-04 23:22:12 +01:00
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*/
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function diaspora_mention2bb($match) {
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if ($match[2] == '') {
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return;
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}
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2017-11-19 23:03:39 +01:00
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$data = Contact::getDetailsByAddr($match[2]);
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2017-02-04 23:22:12 +01:00
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$name = $match[1];
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if ($name == '') {
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$name = $data['name'];
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}
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2017-04-05 22:30:12 +02:00
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return '@[url=' . $data['url'] . ']' . $name . '[/url]';
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2017-02-04 23:22:12 +01:00
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}
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2012-07-13 07:12:48 +02:00
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2017-04-05 22:30:12 +02:00
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/*
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* we don't want to support a bbcode specific markdown interpreter
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* and the markdown library we have is pretty good, but provides HTML output.
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* So we'll use that to convert to HTML, then convert the HTML back to bbcode,
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* and then clean up a few Diaspora specific constructs.
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*/
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2011-08-26 01:37:27 +02:00
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function diaspora2bb($s) {
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2016-12-04 04:04:13 +01:00
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$s = html_entity_decode($s, ENT_COMPAT, 'UTF-8');
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2012-02-19 20:36:59 +01:00
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2016-12-06 04:46:51 +01:00
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// Handles single newlines
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2017-03-12 08:55:22 +01:00
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$s = str_replace("\r\n", "\n", $s);
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2016-12-04 04:04:13 +01:00
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$s = str_replace("\n", " \n", $s);
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2017-03-12 08:55:22 +01:00
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$s = str_replace("\r", " \n", $s);
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2015-03-01 21:22:06 +01:00
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2016-12-06 04:47:52 +01:00
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// Replace lonely stars in lines not starting with it with literal stars
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$s = preg_replace('/^([^\*]+)\*([^\*]*)$/im', '$1\*$2', $s);
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2015-02-24 20:39:02 +01:00
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// The parser cannot handle paragraphs correctly
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2018-01-15 14:05:12 +01:00
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$s = str_replace(['</p>', '<p>', '<p dir="ltr">'], ['<br>', '<br>', '<br>'], $s);
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2011-11-30 12:22:01 +01:00
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2014-04-22 00:55:47 +02:00
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// Escaping the hash tags
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2016-12-04 04:04:13 +01:00
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$s = preg_replace('/\#([^\s\#])/', '#$1', $s);
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2012-02-02 02:09:53 +01:00
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2018-01-15 00:59:08 +01:00
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$s = Markdown::convert($s);
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2012-02-02 02:09:53 +01:00
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2017-02-04 23:22:12 +01:00
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$regexp = "/@\{(?:([^\}]+?); )?([^\} ]+)\}/";
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$s = preg_replace_callback($regexp, 'diaspora_mention2bb', $s);
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2015-02-22 17:38:28 +01:00
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2016-12-04 04:04:13 +01:00
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$s = str_replace('#', '#', $s);
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2012-02-02 02:09:53 +01:00
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2011-09-21 00:23:36 +02:00
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$s = html2bbcode($s);
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2012-01-11 23:03:27 +01:00
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2012-07-05 08:24:59 +02:00
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// protect the recycle symbol from turning into a tag, but without unescaping angles and naked ampersands
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2016-12-04 04:04:13 +01:00
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$s = str_replace('♲', html_entity_decode('♲', ENT_QUOTES, 'UTF-8'), $s);
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2012-07-05 08:24:59 +02:00
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2012-02-20 01:53:22 +01:00
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// Convert everything that looks like a link to a link
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2016-12-04 04:04:13 +01:00
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$s = preg_replace('/([^\]=]|^)(https?\:\/\/)([a-zA-Z0-9:\/\-?&;.=_~#%$!+,@]+(?<!,))/ism', '$1[url=$2$3]$2$3[/url]', $s);
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2012-01-11 23:03:27 +01:00
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2012-02-20 01:53:22 +01:00
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//$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s);
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2016-12-06 04:48:02 +01:00
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$s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism', '[youtube]$2[/youtube]', 'url', $s);
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$s = bb_tag_preg_replace('/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism' , '[youtube]$1[/youtube]', 'url', $s);
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$s = bb_tag_preg_replace('/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism' , '[vimeo]$2[/vimeo]' , 'url', $s);
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$s = bb_tag_preg_replace('/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism' , '[vimeo]$1[/vimeo]' , 'url', $s);
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2011-11-14 04:04:59 +01:00
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// remove duplicate adjacent code tags
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2016-12-04 04:04:13 +01:00
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$s = preg_replace('/(\[code\])+(.*?)(\[\/code\])+/ism', '[code]$2[/code]', $s);
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2012-02-19 20:36:59 +01:00
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// Don't show link to full picture (until it is fixed)
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2018-01-27 17:13:41 +01:00
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$s = BBCode::scaleExternalImages($s, false);
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2012-01-27 08:03:27 +01:00
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2011-08-26 01:37:27 +02:00
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return $s;
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}
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2017-01-02 00:18:42 +01:00
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/**
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* @brief Callback function to replace a Friendica style mention in a mention for Diaspora
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*
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* @param array $match Matching values for the callback
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2017-02-05 08:02:20 +01:00
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* @return string Replaced mention
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2017-01-02 00:18:42 +01:00
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*/
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function diaspora_mentions($match) {
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2017-11-19 23:03:39 +01:00
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$contact = Contact::getDetailsByURL($match[3]);
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2017-01-02 00:18:42 +01:00
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2017-04-05 22:30:12 +02:00
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if (!x($contact, 'addr')) {
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2017-01-02 00:18:42 +01:00
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$contact = Probe::uri($match[3]);
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}
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2017-04-05 22:30:12 +02:00
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if (!x($contact, 'addr')) {
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2017-01-02 00:18:42 +01:00
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return $match[0];
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}
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2017-04-05 22:30:12 +02:00
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$mention = '@{' . $match[2] . '; ' . $contact['addr'] . '}';
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2017-01-02 00:18:42 +01:00
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return $mention;
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}
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2017-04-07 05:49:56 +02:00
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/**
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* @brief Converts a BBCode text into Markdown
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*
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* This function converts a BBCode item body to be sent to Markdown-enabled
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* systems like Diaspora and Libertree
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*
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* @param string $Text
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* @param bool $preserve_nl Effects unclear, unused in Friendica
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* @param bool $fordiaspora Diaspora requires more changes than Libertree
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* @return string
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*/
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2017-04-05 22:30:12 +02:00
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function bb2diaspora($Text, $preserve_nl = false, $fordiaspora = true) {
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2015-02-24 10:21:09 +01:00
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$a = get_app();
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2014-12-01 22:45:13 +01:00
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$OriginalText = $Text;
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2014-01-18 21:32:14 +01:00
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// Since Diaspora is creating a summary for links, this function removes them before posting
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2017-04-05 22:30:12 +02:00
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if ($fordiaspora) {
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2014-01-18 21:32:14 +01:00
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$Text = bb_remove_share_information($Text);
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2017-04-05 22:30:12 +02:00
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}
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2014-01-18 21:32:14 +01:00
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2012-08-10 06:06:18 +02:00
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/**
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* Transform #tags, strip off the [url] and replace spaces with underscore
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*/
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2014-05-18 18:56:07 +02:00
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$URLSearchString = "^\[\]";
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2017-04-07 05:43:55 +02:00
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$Text = preg_replace_callback("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/i",
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function ($matches) {
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return '#' . str_replace(' ', '_', $matches[2]);
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}
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, $Text);
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2012-08-10 06:06:18 +02:00
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2012-07-15 12:47:24 +02:00
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// Converting images with size parameters to simple images. Markdown doesn't know it.
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$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $Text);
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2017-04-07 05:49:56 +02:00
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// Extracting multi-line code blocks before the whitespace processing/code highlighter in bbcode()
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$codeblocks = [];
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2018-01-14 19:12:29 +01:00
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$Text = preg_replace_callback("#\[code(?:=([^\]]*))?\](.*?)\[\/code\]#is",
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2017-04-07 05:49:56 +02:00
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function ($matches) use (&$codeblocks) {
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2018-01-14 19:12:29 +01:00
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$return = $matches[0];
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if (strpos($matches[2], "\n") !== false) {
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$return = '#codeblock-' . count($codeblocks) . '#';
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2017-04-07 05:49:56 +02:00
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2018-01-14 19:12:29 +01:00
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$prefix = '````' . $matches[1] . PHP_EOL;
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$codeblocks[] = $prefix . trim($matches[2]) . PHP_EOL . '````';
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}
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2017-04-07 05:49:56 +02:00
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return $return;
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}
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, $Text);
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2012-06-18 01:29:08 +02:00
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// Convert it to HTML - don't try oembed
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2014-12-01 22:45:13 +01:00
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if ($fordiaspora) {
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2014-01-18 21:32:14 +01:00
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$Text = bbcode($Text, $preserve_nl, false, 3);
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2014-12-01 22:45:13 +01:00
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// Add all tags that maybe were removed
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2017-04-05 22:30:12 +02:00
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if (preg_match_all("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $OriginalText, $tags)) {
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2014-12-01 22:45:13 +01:00
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$tagline = "";
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2017-04-04 19:46:56 +02:00
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foreach ($tags[2] as $tag) {
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2015-11-28 14:29:14 +01:00
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$tag = html_entity_decode($tag, ENT_QUOTES, 'UTF-8');
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2017-04-07 05:43:55 +02:00
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if (!strpos(html_entity_decode($Text, ENT_QUOTES, 'UTF-8'), '#' . $tag)) {
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$tagline .= '#' . $tag . ' ';
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2017-04-05 22:30:12 +02:00
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}
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2015-11-28 14:29:14 +01:00
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}
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$Text = $Text." ".$tagline;
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2014-12-01 22:45:13 +01:00
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}
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2017-04-05 22:30:12 +02:00
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} else {
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2014-01-18 21:32:14 +01:00
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$Text = bbcode($Text, $preserve_nl, false, 4);
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2017-04-05 22:30:12 +02:00
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}
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2014-12-13 23:07:15 +01:00
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2017-01-02 00:18:42 +01:00
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// mask some special HTML chars from conversation to markdown
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2018-01-15 14:05:12 +01:00
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$Text = str_replace(['<', '>', '&'], ['&_lt_;', '&_gt_;', '&_amp_;'], $Text);
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2015-06-20 14:27:42 +02:00
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2015-02-24 00:05:50 +01:00
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// If a link is followed by a quote then there should be a newline before it
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// Maybe we should make this newline at every time before a quote.
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2018-01-15 14:05:12 +01:00
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$Text = str_replace(["</a><blockquote>"], ["</a><br><blockquote>"], $Text);
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2012-06-18 01:29:08 +02:00
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2015-02-24 10:21:09 +01:00
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$stamp1 = microtime(true);
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2012-06-18 01:29:08 +02:00
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// Now convert HTML to Markdown
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2017-04-07 05:49:56 +02:00
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$converter = new HtmlConverter();
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$Text = $converter->convert($Text);
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2015-02-22 17:38:28 +01:00
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2017-01-02 00:18:42 +01:00
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// unmask the special chars back to HTML
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2018-01-15 14:05:12 +01:00
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$Text = str_replace(['&\_lt\_;', '&\_gt\_;', '&\_amp\_;'], ['<', '>', '&'], $Text);
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2015-06-20 14:27:42 +02:00
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2015-02-24 10:21:09 +01:00
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$a->save_timestamp($stamp1, "parser");
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2015-02-24 20:39:02 +01:00
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// Libertree has a problem with escaped hashtags.
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2018-01-15 14:05:12 +01:00
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$Text = str_replace(['\#'], ['#'], $Text);
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2012-06-18 01:29:08 +02:00
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2012-06-23 02:38:32 +02:00
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// Remove any leading or trailing whitespace, as this will mess up
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// the Diaspora signature verification and cause the item to disappear
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$Text = trim($Text);
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2012-06-23 12:50:00 +02:00
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2017-01-02 00:18:42 +01:00
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if ($fordiaspora) {
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$URLSearchString = "^\[\]";
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2017-01-02 08:00:44 +01:00
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$Text = preg_replace_callback("/([@]\[(.*?)\])\(([$URLSearchString]*?)\)/ism", 'diaspora_mentions', $Text);
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2017-01-02 00:18:42 +01:00
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}
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2017-04-07 05:49:56 +02:00
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// Restore code blocks
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$Text = preg_replace_callback('/#codeblock-([0-9]+)#/iU',
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function ($matches) use ($codeblocks) {
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$return = '';
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if (isset($codeblocks[intval($matches[1])])) {
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$return = $codeblocks[$matches[1]];
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}
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return $return;
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}
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, $Text);
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2018-01-17 19:42:40 +01:00
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Addon::callHooks('bb2diaspora',$Text);
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2011-08-23 10:00:29 +02:00
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return $Text;
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}
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2011-09-03 16:13:12 +02:00
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2012-05-27 08:46:42 +02:00
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function unescape_underscores_in_links($m) {
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2017-04-07 05:43:55 +02:00
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$y = str_replace('\\_', '_', $m[2]);
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2012-05-27 08:46:42 +02:00
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return('[' . $m[1] . '](' . $y . ')');
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}
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2011-09-03 16:13:12 +02:00
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function format_event_diaspora($ev) {
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2017-04-05 22:30:12 +02:00
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if (! ((is_array($ev)) && count($ev))) {
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2011-09-03 16:13:12 +02:00
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return '';
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2017-04-05 22:30:12 +02:00
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}
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2011-09-03 16:13:12 +02:00
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2018-01-21 17:38:01 +01:00
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$bd_format = L10n::t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM
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2011-09-03 16:13:12 +02:00
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2012-01-26 00:16:43 +01:00
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$o = 'Friendica event notification:' . "\n";
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2011-09-03 16:13:12 +02:00
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2012-07-05 04:12:09 +02:00
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$o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
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2011-09-03 16:13:12 +02:00
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2018-01-25 03:08:45 +01:00
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// @todo What. Is. Going. On. With. This. Useless. Ternary. Operator? - mrpetovan
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2018-01-27 01:41:40 +01:00
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$o .= L10n::t('Starts:') . ' ' . '[' . day_translate(
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$ev['adjust'] ? Temporal::utc($ev['start'], $bd_format) : Temporal::utc($ev['start'], $bd_format)
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2018-01-25 03:08:45 +01:00
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)
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2018-01-26 13:29:32 +01:00
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. '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(Temporal::utc($ev['start'])) . ")\n";
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2011-09-03 16:13:12 +02:00
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2017-04-05 22:30:12 +02:00
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|
if (! $ev['nofinish']) {
|
2018-01-27 01:41:40 +01:00
|
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|
$o .= L10n::t('Finishes:') . ' ' . '[' . day_translate(
|
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|
|
$ev['adjust'] ? Temporal::utc($ev['finish'], $bd_format) : Temporal::utc($ev['finish'], $bd_format)
|
2018-01-25 03:08:45 +01:00
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|
)
|
2018-01-26 13:29:32 +01:00
|
|
|
. '](' . System::baseUrl() . '/localtime/?f=&time=' . urlencode(Temporal::utc($ev['finish'])) . ")\n";
|
2017-04-05 22:30:12 +02:00
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|
}
|
2011-09-03 16:13:12 +02:00
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|
2017-04-05 22:30:12 +02:00
|
|
|
if (strlen($ev['location'])) {
|
2018-01-21 17:38:01 +01:00
|
|
|
$o .= L10n::t('Location:') . bb2diaspora($ev['location'])
|
2011-09-03 16:13:12 +02:00
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|
|
. "\n";
|
2017-04-05 22:30:12 +02:00
|
|
|
}
|
2011-09-03 16:13:12 +02:00
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|
|
|
|
|
|
$o .= "\n";
|
|
|
|
return $o;
|
|
|
|
}
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