is invalid. Replace it with the valid expression $s = str_replace("
","
",$s); $s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s); // Escaping the hash tags - doesn't always seem to work // $s = preg_replace('/\#([^\s\#])/','\\#$1',$s); // This seems to work $s = preg_replace('/\#([^\s\#])/','#$1',$s); $s = Markdown($s); $s = str_replace('#','#',$s); // we seem to have double linebreaks // $s = str_replace("\n",'
',$s); $s = html2bbcode($s); // $s = str_replace('*','*',$s); // Convert everything that looks like a link to a link $s = preg_replace("/([^\]\=]|^)(https?\:\/\/)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3]$2$3[/url]',$s); //$s = preg_replace("/([^\]\=]|^)(https?\:\/\/)(vimeo|youtu|www\.youtube|soundcloud)([a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2$3$4]$2$3$4[/url]',$s); $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/url\]/ism",'[youtube]$2[/youtube]',$s); $s = preg_replace("/\[url\=https?:\/\/www.youtube.com\/watch\?v\=(.*?)\].*?\[\/url\]/ism",'[youtube]$1[/youtube]',$s); $s = preg_replace("/\[url\=?(.*?)\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/url\]/ism",'[vimeo]$2[/vimeo]',$s); $s = preg_replace("/\[url\=https?:\/\/vimeo.com\/([0-9]+)\](.*?)\[\/url\]/ism",'[vimeo]$1[/vimeo]',$s); // remove duplicate adjacent code tags $s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s); // Don't show link to full picture (until it is fixed) $s = scale_external_images($s, false); return $s; } function stripdcode_br_cb($s) { return '[code]' . str_replace('
', "\n\t", $s[1]) . '[/code]'; } function diaspora_ul($s) { // Replace "[*]" followed by any number (including zero) of // spaces by "* " to match Diaspora's list format if( strpos($s[0], "[list]") === 0 ) return ''; elseif( strpos($s[0], "[ul]") === 0 ) return ''; else return $s[0]; } function diaspora_ol($s) { // A hack: Diaspora will create a properly-numbered ordered list even // if you use '1.' for each element of the list, like: // 1. First element // 1. Second element // 1. Third element if( strpos($s[0], "[list=1]") === 0 ) return ''; elseif( strpos($s[0], "[list=i]") === 0 ) return ''; elseif( strpos($s[0], "[list=I]") === 0 ) return ''; elseif( strpos($s[0], "[list=a]") === 0 ) return ''; elseif( strpos($s[0], "[list=A]") === 0 ) return ''; elseif( strpos($s[0], "[ol]") === 0 ) return ''; else return $s[0]; } function bb2diaspora($Text,$preserve_nl = false) { // bbcode() will convert "[*]" into "
  • " with no closing "
    • " // Markdownify() is unable to handle these, as it makes each new // "
  • " into a deeper nested element until it crashes. So pre-format // the lists as Diaspora lists before sending the $Text to bbcode() // // Note that to get nested lists to work for Diaspora, we would need // to define the closing tag for the list elements. So nested lists // are going to be flattened out in Diaspora for now $endlessloop = 0; while ((((strpos($Text, "[/list]") !== false) && (strpos($Text, "[list") !== false)) || ((strpos($Text, "[/ol]") !== false) && (strpos($Text, "[ol]") !== false)) || ((strpos($Text, "[/ul]") !== false) && (strpos($Text, "[ul]") !== false))) && (++$endlessloop < 20)) { $Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text); $Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text); $Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text); } ////////////////////// // An attempt was made to convert bbcode to html and then to markdown // consisting of the following lines. // I'm undoing this as we have a lot of bbcode constructs which // were simply getting lost, for instance bookmark, vimeo, video, youtube, events, etc. // We can try this again, but need a very good test sequence to verify // all the major bbcode constructs that we use are getting through. ////////////////////// // Convert it to HTML - don't try oembed // $Text = bbcode($Text, $preserve_nl, false); // Now convert HTML to Markdown // $md = new Markdownify(false, false, false); // $Text = $md->parseString($Text); // If the text going into bbcode() has a plain URL in it, i.e. // with no [url] tags around it, it will come out of parseString() // looking like: , which gets removed by strip_tags(). // So take off the angle brackets of any such URL // $Text = preg_replace("//is", "http$1", $Text); // Remove all unconverted tags // $Text = strip_tags($Text); ////// // end of bb->html->md conversion attempt ////// $ev = bbtoevent($Text); // Replace any html brackets with HTML Entities to prevent executing HTML or script // Don't use strip_tags here because it breaks [url] search by replacing & with amp $Text = str_replace("<", "<", $Text); $Text = str_replace(">", ">", $Text); // If we find any event code, turn it into an event. // After we're finished processing the bbcode we'll // replace all of the event code with a reformatted version. if($preserve_nl) $Text = str_replace(array("\n","\r"), array('',''),$Text); else // Remove the "return" character, as Diaspora uses only the "newline" // character, so having the "return" character can cause signature // failures $Text = str_replace("\r", "", $Text); // Set up the parameters for a URL search string $URLSearchString = "^\[\]"; // Set up the parameters for a MAIL search string $MAILSearchString = $URLSearchString; // Perform URL Search // [img]pathtoimage[/img] // the following was added on 10-January-2012 due to an inability of Diaspora's // new javascript markdown processor to handle links with images as the link "text" // It is not optimal and may be removed if this ability is restored in the future $Text = preg_replace("/\[url\=([$URLSearchString]*)\]\[img\](.*?)\[\/img\]\[\/url\]/ism", '![' . t('image/photo') . '](' . '$2' . ')' . "\n" . '[' . t('link') . '](' . '$1' . ')', $Text); $Text = preg_replace("/\[bookmark\]([$URLSearchString]*)\[\/bookmark\]/ism", '[$1]($1)', $Text); $Text = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", '[$2]($1)', $Text); $Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '[$1]($1)', $Text); $Text = preg_replace("/\#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[#$2]($1)', $Text); $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '[$2]($1)', $Text); $Text = preg_replace("/\[img\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$1' . ')', $Text); $Text = preg_replace("/\[img\=(.*?)\](.*?)\[\/img\]/", '![' . t('image/photo') . '](' . '$2' . ')', $Text); // Perform MAIL Search $Text = preg_replace("(\[mail\]([$MAILSearchString]*)\[/mail\])", '[$1](mailto:$1)', $Text); $Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '[$2](mailto:$1)', $Text); $Text = str_replace('*', '\\*', $Text); $Text = str_replace('_', '\\_', $Text); $Text = str_replace('`','\\`', $Text); // Check for bold text $Text = preg_replace("(\[b\](.*?)\[\/b\])is",'**$1**',$Text); // Check for italics text $Text = preg_replace("(\[i\](.*?)\[\/i\])is",'_$1_',$Text); // Check for underline text // Replace with italics since Diaspora doesn't have underline $Text = preg_replace("(\[u\](.*?)\[\/u\])is",'_$1_',$Text); // Check for strike-through text $Text = preg_replace("(\[s\](.*?)\[\/s\])is",'**[strike]**$1**[/strike]**',$Text); // Check for over-line text // $Text = preg_replace("(\[o\](.*?)\[\/o\])is",'$1',$Text); // Check for colored text // Remove color since Diaspora doesn't support it $Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])is","$2",$Text); // Check for sized text // Remove it since Diaspora doesn't support sizes very well $Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])is","$2",$Text); // Check for list text $Text = preg_replace_callback("/\[list\](.*?)\[\/list\]/is", 'diaspora_ul', $Text); $Text = preg_replace_callback("/\[ul\](.*?)\[\/ul\]/is", 'diaspora_ul', $Text); $Text = preg_replace_callback("/\[list=1\](.*?)\[\/list\]/is", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=i\](.*?)\[\/list\]/s",'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=I\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=a\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[list=A\](.*?)\[\/list\]/s", 'diaspora_ol', $Text); $Text = preg_replace_callback("/\[ol\](.*?)\[\/ol\]/is", 'diaspora_ol', $Text); // $Text = preg_replace("/\[li\](.*?)\[\/li\]/s", '
  • $1
    • ' ,$Text); // Just get rid of table tags since Diaspora doesn't support tables $Text = preg_replace("/\[th\](.*?)\[\/th\]/s", '$1' ,$Text); $Text = preg_replace("/\[td\](.*?)\[\/td\]/s", '$1' ,$Text); $Text = preg_replace("/\[tr\](.*?)\[\/tr\]/s", '$1' ,$Text); $Text = preg_replace("/\[table\](.*?)\[\/table\]/s", '$1' ,$Text); $Text = preg_replace("/\[table border=(.*?)\](.*?)\[\/table\]/s", '$2' ,$Text); // $Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/s", '$1
    ' ,$Text); // $Text = str_replace("[*]", "
  • ", $Text); // Check for font change text // $Text = preg_replace("(\[font=(.*?)\](.*?)\[\/font\])","$2",$Text); $Text = preg_replace_callback("/\[code\](.*?)\[\/code\]/is",'stripdcode_br_cb',$Text); // Check for [code] text $Text = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/is","\t$2\n", $Text); // Declare the format for [quote] layout // $QuoteLayout = '
    $1
    '; // Check for [quote] text $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/is",">$1\n\n", $Text); $Text = preg_replace("/\[quote=(.*?)\](.*?)\[\/quote\]/is",">$2\n\n", $Text); // Images // html5 video and audio $Text = preg_replace("/\[video\](.*?)\[\/video\]/", '$1', $Text); $Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '$1', $Text); // $Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/", '', $Text); // [img=widthxheight]image source[/img] // $Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/", '', $Text); $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); $Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); $Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'http://www.youtube.com/watch?v=$1',$Text); $Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", 'http://www.youtube.com/watch?v=$1', $Text); $Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text); $Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'http://vimeo.com/$1',$Text); $Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", 'http://vimeo.com/$1',$Text); $Text = str_replace('[nosmile]','',$Text); // oembed tag // $Text = oembed_bbcode2html($Text); // If we found an event earlier, strip out all the event code and replace with a reformatted version. if(x($ev,'desc') && x($ev,'start')) { $sub = format_event_diaspora($ev); $Text = preg_replace("/\[event\-summary\](.*?)\[\/event\-summary\]/is",'',$Text); $Text = preg_replace("/\[event\-description\](.*?)\[\/event\-description\]/is",'',$Text); $Text = preg_replace("/\[event\-start\](.*?)\[\/event\-start\]/is",$sub,$Text); $Text = preg_replace("/\[event\-finish\](.*?)\[\/event\-finish\]/is",'',$Text); $Text = preg_replace("/\[event\-location\](.*?)\[\/event\-location\]/is",'',$Text); $Text = preg_replace("/\[event\-adjust\](.*?)\[\/event\-adjust\]/is",'',$Text); } $Text = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$Text); $Text = preg_replace_callback('/\[(.*?)\]\((.*?)\)/ism','unescape_underscores_in_links',$Text); // Remove any leading or trailing whitespace, as this will mess up // the Diaspora signature verification and cause the item to disappear $Text = trim($Text); call_hooks('bb2diaspora',$Text); return $Text; } function unescape_underscores_in_links($m) { $y = str_replace('\\_','_', $m[2]); return('[' . $m[1] . '](' . $y . ')'); } function format_event_diaspora($ev) { $a = get_app(); if(! ((is_array($ev)) && count($ev))) return ''; $bd_format = t('l F d, Y \@ g:i A') ; // Friday January 18, 2011 @ 8 AM $o = 'Friendica event notification:' . "\n"; $o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n"; $o .= t('Starts:') . ' ' . '[' . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC', $ev['start'] , $bd_format )) : day_translate(datetime_convert('UTC', 'UTC', $ev['start'] , $bd_format))) . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n"; if(! $ev['nofinish']) $o .= t('Finishes:') . ' ' . '[' . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC', $ev['finish'] , $bd_format )) : day_translate(datetime_convert('UTC', 'UTC', $ev['finish'] , $bd_format ))) . '](' . $a->get_baseurl() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n"; if(strlen($ev['location'])) $o .= t('Location:') . bb2diaspora($ev['location']) . "\n"; $o .= "\n"; return $o; }