', '', $s[1]) . '[/code]'; } function tryoembed($match){ $url = ((count($match)==2)?$match[1]:$match[2]); // logger("tryoembed: $url"); $o = oembed_fetch_url($url); //echo "
"; var_dump($match, $url, $o); killme();
	if ($o->type=="error") return $match[0];
	$html = oembed_format_object($o);
	return $html; //oembed_iframe($html,$o->width,$o->height);
}
// [noparse][i]italic[/i][/noparse] turns into
// [noparse][ i ]italic[ /i ][/noparse],
// to hide them from parser.
function bb_spacefy($st) {
  $whole_match = $st[0];
  $captured = $st[1];
  $spacefied = preg_replace("/\[(.*?)\]/", "[ $1 ]", $captured);
  $new_str = str_replace($captured, $spacefied, $whole_match);
  return $new_str;
}
// The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
// now turns back and the [noparse] tags are trimed
// returning [i]italic[/i]
function bb_unspacefy_and_trim($st) {
  $whole_match = $st[0];
  $captured = $st[1];
  $unspacefied = preg_replace("/\[ (.*?)\ ]/", "[$1]", $captured);
  return $unspacefied;
}
	// BBcode 2 HTML was written by WAY2WEB.net
	// extended to work with Mistpark/Friendica - Mike Macgirvin
function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
	$a = get_app();
	// Hide all [noparse] contained bbtags spacefying them
	$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
	$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
	$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
	// Extract a single private image which uses data url's since preg has issues with
	// large data sizes. Stash it away while we do bbcode conversion, and then put it back
	// in after we've done all the regex matching. We cannot use any preg functions to do this.
	$saved_image = '';
	$img_start = strpos($Text,'[img]data:');
	$img_end = strpos($Text,'[/img]');
	if($img_start !== false && $img_end !== false && $img_end > $img_start) {
		$start_fragment = substr($Text,0,$img_start);
		$img_start += strlen('[img]');
		$saved_image = substr($Text,$img_start,$img_end - $img_start);
		$end_fragment = substr($Text,$img_end + strlen('[/img]'));
//		logger('saved_image: ' . $saved_image,LOGGER_DEBUG);
		$Text = $start_fragment . '[$#saved_image#$]' . $end_fragment;
	}
	// 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.
	$ev = bbtoevent($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);
	// Convert new line chars to html 
 tags
	// nlbr seems to be hopelessly messed up
	//	$Text = nl2br($Text);
	// We'll emulate it.
	$Text = str_replace("\r\n","\n", $Text);
	$Text = str_replace(array("\r","\n"), array('
','
'), $Text);
	if($preserve_nl)
		$Text = str_replace(array("\n","\r"), array('',''),$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
	$Text = preg_replace("/([^\]\=]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1$2', $Text);
	if ($tryoembed)
		$Text = preg_replace_callback("/\[bookmark\=([^\]]*)\].*?\[\/bookmark\]/ism",'tryoembed',$Text);
	$Text = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$Text);
	if ($tryoembed)
		$Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
	$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '$1', $Text);
	$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '$2', $Text);
	//$Text = preg_replace("/\[url\=([$URLSearchString]*)\]([$URLSearchString]*)\[\/url\]/ism", '$2', $Text);
	// we may need to restrict this further if it picks up too many strays
	// link acct:user@host to a webfinger profile redirector
	$Text = preg_replace('/acct:(.*?)@(.*?)([ ,])/', 'acct:' . "$1@$2$3" . '',$Text);
	// Perform MAIL Search
	$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '$1', $Text);
	$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '$2', $Text);
	// Check for bold text
	$Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'$1',$Text);
	// Check for Italics text
	$Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'$1',$Text);
	// Check for Underline text
	$Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'$1',$Text);
	// Check for strike-through text
	$Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'$1',$Text);
	// Check for over-line text
	$Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'$1',$Text);
	// Check for colored text
	$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","$2",$Text);
	// Check for sized text
        // [size=50] --> font-size: 50px (with the unit).
	$Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","$2",$Text);
	$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","$2",$Text);
	// Check for centered text
	$Text = preg_replace("(\[center\](.*?)\[\/center\])ism","$1",$Text);
	// Check for list text
	$Text = str_replace("[*]", "$1';
	// Check for [code] text
	$Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
	// Declare the format for [spoiler] layout
	$SpoilerLayout = '$1'; // Check for [spoiler] text // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/spoiler]") !== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[spoiler\](.*?)\[\/spoiler\]/ism","$SpoilerLayout", $Text); // Check for [spoiler=Author] text $t_wrote = t('$1 wrote:'); // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler=") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[spoiler=[\"\']*(.*?)[\"\']*\](.*?)\[\/spoiler\]/ism", "
$2", $Text); // Declare the format for [quote] layout $QuoteLayout = '
$1'; // Check for [quote] text // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/quote]") !== false) and (strpos($Text, "[quote]") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[quote\](.*?)\[\/quote\]/ism","$QuoteLayout", $Text); // Check for [quote=Author] text $t_wrote = t('$1 wrote:'); // handle nested quotes $endlessloop = 0; while ((strpos($Text, "[/quote]")!== false) and (strpos($Text, "[quote=") !== false) and (++$endlessloop < 20)) $Text = preg_replace("/\[quote=[\"\']*(.*?)[\"\']*\](.*?)\[\/quote\]/ism", "
$2", $Text); // [img=widthxheight]image source[/img] //$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '