Check existance of bbcode tags before executing regexes, to avoid unnecessary execution

1 files changed, 160 insertions, 109 deletions

diff --git a/include/bbcode.php b/include/bbcode.php
index 862570348..a0a53a310 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -219,10 +219,15 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	$Text = preg_replace("/(\s*)\[\/(\w*)\]/ism", '[/$2]$1', $Text);
 
 	// Hide all [noparse] contained bbtags by 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',$Text);
+	if (strpos($Text,'[noparse]') !== false) {
+		$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_spacefy',$Text);
+	}
+	if (strpos($Text,'[nobb]') !== false) {
+		$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_spacefy',$Text);
+	}
+	if (strpos($Text,'[pre]') !== false) {
+		$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
+	}
 
 
 
@@ -265,61 +270,75 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 
 	$urlchars = '[a-zA-Z0-9\:\/\-\?\&\;\.\=\@\_\~\#\%\$\!\+\,]';
 
-
-	$Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/$urlchars+)/ism", '$1<a href="$2" >$2</a>', $Text);
-
-
-	$Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);	
-
-	if($tryoembed)
-		$Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
-
-	$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" >$1</a>', $Text);
-	$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" >$2</a>', $Text);
-
-
-	$Text = preg_replace("/\[zrl\]([$URLSearchString]*)\[\/zrl\]/ism", '<a class="zrl" href="$1" >$1</a>', $Text);
-	$Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a class="zrl" href="$1" >$2</a>', $Text);
-
+	if (strpos($Text,'http') !== false) {
+		$Text = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/$urlchars+)/ism", '$1<a href="$2" >$2</a>', $Text);
+	}
+	if (strpos($Text,'[/share]') !== false) {
+		$Text = preg_replace_callback("/\[share(.*?)\](.*?)\[\/share\]/ism","bb_ShareAttributes",$Text);	
+	}
+	if($tryoembed) {
+		if (strpos($Text,'[/url]') !== false) {
+			$Text = preg_replace_callback("/\[url\]([$URLSearchString]*)\[\/url\]/ism",'tryoembed',$Text);
+		}
+	  }
+	if (strpos($Text,'[/url]') !== false) {
+		$Text = preg_replace("/\[url\]([$URLSearchString]*)\[\/url\]/ism", '<a href="$1" >$1</a>', $Text);
+		$Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", '<a href="$1" >$2</a>', $Text);
+    }
+	if (strpos($Text,'[/zrl]') !== false) {
+		$Text = preg_replace("/\[zrl\]([$URLSearchString]*)\[\/zrl\]/ism", '<a class="zrl" href="$1" >$1</a>', $Text);
+		$Text = preg_replace("/\[zrl\=([$URLSearchString]*)\](.*?)\[\/zrl\]/ism", '<a class="zrl" href="$1" >$2</a>', $Text);
+    }
 	// Perform MAIL Search
-	$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
-	$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
-
+	if (strpos($Text,'[/mail]') !== false) {	
+		$Text = preg_replace("/\[mail\]([$MAILSearchString]*)\[\/mail\]/", '<a href="mailto:$1">$1</a>', $Text);
+		$Text = preg_replace("/\[mail\=([$MAILSearchString]*)\](.*?)\[\/mail\]/", '<a href="mailto:$1">$2</a>', $Text);
+	}
 	// Check for bold text
-	$Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
-
+	if (strpos($Text,'[b]') !== false) {	
+		$Text = preg_replace("(\[b\](.*?)\[\/b\])ism",'<strong>$1</strong>',$Text);
+	}
 	// Check for Italics text
-	$Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
-
+	if (strpos($Text,'[i]') !== false) {		
+		$Text = preg_replace("(\[i\](.*?)\[\/i\])ism",'<em>$1</em>',$Text);
+	}
 	// Check for Underline text
-	$Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
-
+	if (strpos($Text,'[u]') !== false) {	
+		$Text = preg_replace("(\[u\](.*?)\[\/u\])ism",'<u>$1</u>',$Text);
+	}
 	// Check for strike-through text
-	$Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
-
+	if (strpos($Text,'[s]') !== false) {
+		$Text = preg_replace("(\[s\](.*?)\[\/s\])ism",'<strike>$1</strike>',$Text);
+	}
 	// Check for over-line text
-	$Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
-
+	if (strpos($Text,'[o]') !== false) {	
+		$Text = preg_replace("(\[o\](.*?)\[\/o\])ism",'<span class="overline">$1</span>',$Text);
+	}
 	// Check for colored text
-	$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
-
+	if (strpos($Text,'[/color]') !== false) {	
+		$Text = preg_replace("(\[color=(.*?)\](.*?)\[\/color\])ism","<span style=\"color: $1;\">$2</span>",$Text);
+	}
 	// Check for sized text
 		// [size=50] --> font-size: 50px (with the unit).
-	$Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
-	$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
-
+	if (strpos($Text,'[/size]') !== false) {		
+		$Text = preg_replace("(\[size=(\d*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1px;\">$2</span>",$Text);
+		$Text = preg_replace("(\[size=(.*?)\](.*?)\[\/size\])ism","<span style=\"font-size: $1;\">$2</span>",$Text);
+	}
 	// Check for centered text
+	if (strpos($Text,'[/center]') !== false) {	
 	$Text = preg_replace("(\[center\](.*?)\[\/center\])ism","<div style=\"text-align:center;\">$1</div>",$Text);
-
+	}
 	// Check for list text
 	$Text = str_replace("[*]", "<li>", $Text);
 
 	// Check for style sheet commands
-	$Text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism","<span style=\"$1;\">$2</span>",$Text);
-
+	if (strpos($Text,'[/style]') !== false) {		
+		$Text = preg_replace("(\[style=(.*?)\](.*?)\[\/style\])ism","<span style=\"$1;\">$2</span>",$Text);
+	}
 	// Check for CSS classes
-	$Text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism","<span class=\"$1\">$2</span>",$Text);
-
+	if (strpos($Text,'[/class]') !== false) {	
+		$Text = preg_replace("(\[class=(.*?)\](.*?)\[\/class\])ism","<span class=\"$1\">$2</span>",$Text);
+	}
  	// handle nested lists
 	$endlessloop = 0;
 
@@ -338,15 +357,20 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 		$Text = preg_replace("/\[ol\](.*?)\[\/ol\]/ism", '<ul class="listdecimal" style="list-style-type: decimal;">$1</ul>' ,$Text);
 		$Text = preg_replace("/\[li\](.*?)\[\/li\]/ism", '<li>$1</li>' ,$Text);
 	}
-
-	$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
-	$Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
-	$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
-	$Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
-
-	$Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
-	$Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
-
+	if (strpos($Text,'[th]') !== false) {	
+		$Text = preg_replace("/\[th\](.*?)\[\/th\]/sm", '<th>$1</th>' ,$Text);
+	}
+	if (strpos($Text,'[td]') !== false) {
+		$Text = preg_replace("/\[td\](.*?)\[\/td\]/sm", '<td>$1</td>' ,$Text);
+	}
+	if (strpos($Text,'[tr]') !== false) {	
+		$Text = preg_replace("/\[tr\](.*?)\[\/tr\]/sm", '<tr>$1</tr>' ,$Text);
+	}
+	if (strpos($Text,'[table]') !== false) {	
+		$Text = preg_replace("/\[table\](.*?)\[\/table\]/sm", '<table>$1</table>' ,$Text);
+		$Text = preg_replace("/\[table border=1\](.*?)\[\/table\]/sm", '<table border="1" >$1</table>' ,$Text);
+		$Text = preg_replace("/\[table border=0\](.*?)\[\/table\]/sm", '<table border="0" >$1</table>' ,$Text);
+	}
 	$Text = str_replace('[hr]','<hr />', $Text);
 
 	// This is actually executed in prepare_body()
@@ -354,14 +378,16 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 	$Text = str_replace('[nosmile]','',$Text);
 
 	// Check for font change text
-	$Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
-
+	if (strpos($Text,'[/font]') !== false) {	
+		$Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm","<span style=\"font-family: $1;\">$2</span>",$Text);
+	}
 	// Declare the format for [code] layout
 
 	$CodeLayout = '<code>$1</code>';
 	// Check for [code] text
-	$Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
-
+	if (strpos($Text,'[code]') !== false) {	
+		$Text = preg_replace("/\[code\](.*?)\[\/code\]/ism","$CodeLayout", $Text);
+	}
 	// Declare the format for [spoiler] layout
 	$SpoilerLayout = '<blockquote class="spoiler">$1</blockquote>';
 
@@ -404,72 +430,93 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 
 	// [img=widthxheight]image source[/img]
 	//$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="height: $2px; width: $1px;" >', $Text);
-	$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
-	$Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
-
+	if (strpos($Text,'[/img]') !== false) {
+		$Text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '<img src="$3" style="width: $1px;" >', $Text);
+	}
+	if (strpos($Text,'[/zmg]') !== false) {	
+		$Text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $Text);
+	}
 	// Images
 	// [img]pathtoimage[/img]
-	$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
-	$Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$1" alt="' . t('Image/photo') . '" />', $Text);
-
-
-
-	$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
-	$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+	if (strpos($Text,'[/img]') !== false) {	
+		$Text = preg_replace("/\[img\](.*?)\[\/img\]/ism", '<img src="$1" alt="' . t('Image/photo') . '" />', $Text);
+	}
+	if (strpos($Text,'[/zmg]') !== false) {	
+		$Text = preg_replace("/\[zmg\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$1" alt="' . t('Image/photo') . '" />', $Text);
+	}
 
+	if (strpos($Text,'[crypt]') !== false) {	
+		$Text = preg_replace("/\[crypt\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . t('Encrypted content') . '" /><br />', $Text);
+		$Text = preg_replace("/\[crypt=(.*?)\](.*?)\[\/crypt\]/ism",'<br/><img src="' .$a->get_baseurl() . '/images/lock_icon.gif" alt="' . t('Encrypted content') . '" title="' . '$1' . ' ' . t('Encrypted content') . '" /><br />', $Text);
+	}
 	// Try to Oembed
 	if ($tryoembed) {
-		$Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
-		$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);
-
-		$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
-		$Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
+		if (strpos($Text,'[/video]') !== false) {	
+			$Text = preg_replace("/\[video\](.*?\.(ogg|ogv|oga|ogm|webm|mp4))\[\/video\]/ism", '<video src="$1" controls="controls" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></video>', $Text);
+		}
+		if (strpos($Text,'[/audio]') !== false) {		
+			$Text = preg_replace("/\[audio\](.*?\.(ogg|ogv|oga|ogm|webm|mp4|mp3))\[\/audio\]/ism", '<audio src="$1" controls="controls"><a href="$1">$1</a></audio>', $Text);
+		}
+		if (strpos($Text,'[/video]') !== false) {			
+			$Text = preg_replace_callback("/\[video\](.*?)\[\/video\]/ism", 'tryoembed', $Text);
+		}
+		if (strpos($Text,'[/audio]') !== false) {
+			$Text = preg_replace_callback("/\[audio\](.*?)\[\/audio\]/ism", 'tryoembed', $Text);
+		}
 	}
 
 	// if video couldn't be embedded, link to it instead.
-
-	$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<a href="$1">$1</a>', $Text);
-	$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<a href="$1">$1</a>', $Text);
+	if (strpos($Text,'[/video]') !== false) {
+		$Text = preg_replace("/\[video\](.*?)\[\/video\]/", '<a href="$1">$1</a>', $Text);
+	}
+	if (strpos($Text,'[/audio]') !== false) {
+		$Text = preg_replace("/\[audio\](.*?)\[\/audio\]/", '<a href="$1">$1</a>', $Text);
+	}
 
 
 	// html5 video and audio
 
 
-	if ($tryoembed)
-		$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
-	else
-		$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
-
+	if ($tryoembed){
+		if (strpos($Text,'[/iframe]') !== false) {
+			$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<iframe src="$1" width="' . $a->videowidth . '" height="' . $a->videoheight . '"><a href="$1">$1</a></iframe>', $Text);
+		}
+	}
+	else {
+		if (strpos($Text,'[/iframe]') !== false) {
+			$Text = preg_replace("/\[iframe\](.*?)\[\/iframe\]/ism", '<a href="$1">$1</a>', $Text);
+		}
+	}
 	// Youtube extensions
-	if ($tryoembed) {
-		$Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);		
-		$Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);		
-		$Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text); 
+	if (strpos($Text,'[youtube]') !== false) {
+		if ($tryoembed) {
+			$Text = preg_replace_callback("/\[youtube\](https?:\/\/www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);		
+			$Text = preg_replace_callback("/\[youtube\](www.youtube.com\/watch\?v\=.*?)\[\/youtube\]/ism", 'tryoembed', $Text);		
+			$Text = preg_replace_callback("/\[youtube\](https?:\/\/youtu.be\/.*?)\[\/youtube\]/ism",'tryoembed',$Text); 
+		}
+			$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
+			$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
+			$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
+
+		if ($tryoembed)
+			$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
+		else 
+			$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", "http://www.youtube.com/watch?v=$1", $Text);
 	}
+	if (strpos($Text,'[vimeo]') !== false) {
+		if ($tryoembed) {
+			$Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
+			$Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
+		}
 
-	$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/watch\?v\=(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
-	$Text = preg_replace("/\[youtube\]https?:\/\/www.youtube.com\/embed\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text); 
-	$Text = preg_replace("/\[youtube\]https?:\/\/youtu.be\/(.*?)\[\/youtube\]/ism",'[youtube]$1[/youtube]',$Text);
-
-	if ($tryoembed)
-		$Text = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://www.youtube.com/embed/$1" frameborder="0" ></iframe>', $Text);
-	else
-		$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",'[vimeo]$1[/vimeo]',$Text); 
+		$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
 
-	if ($tryoembed) {
-		$Text = preg_replace_callback("/\[vimeo\](https?:\/\/player.vimeo.com\/video\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
-		$Text = preg_replace_callback("/\[vimeo\](https?:\/\/vimeo.com\/[0-9]+).*?\[\/vimeo\]/ism",'tryoembed',$Text); 
+		if ($tryoembed)
+			$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
+		else
+			$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
 	}
-
-	$Text = preg_replace("/\[vimeo\]https?:\/\/player.vimeo.com\/video\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text); 
-	$Text = preg_replace("/\[vimeo\]https?:\/\/vimeo.com\/([0-9]+)(.*?)\[\/vimeo\]/ism",'[vimeo]$1[/vimeo]',$Text);
-
-	if ($tryoembed)
-		$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", '<iframe width="' . $a->videowidth . '" height="' . $a->videoheight . '" src="http://player.vimeo.com/video/$1" frameborder="0" ></iframe>', $Text);
-	else
-		$Text = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism", "http://vimeo.com/$1", $Text);
-
 //	$Text = preg_replace("/\[youtube\](.*?)\[\/youtube\]/", '<object width="425" height="350" type="application/x-shockwave-flash" data="http://www.youtube.com/v/$1" ><param name="movie" value="http://www.youtube.com/v/$1"></param><!--[if IE]><embed src="http://www.youtube.com/v/$1" type="application/x-shockwave-flash" width="425" height="350" /><![endif]--></object>', $Text);
 
 
@@ -497,11 +544,15 @@ function bbcode($Text,$preserve_nl = false, $tryoembed = true) {
 
 	// Unhide all [noparse] contained bbtags unspacefying them 
 	// and triming the [noparse] tag.
-
-	$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
-	$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
-	$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
-
+	if (strpos($Text,'[noparse]') !== false) {
+		$Text = preg_replace_callback("/\[noparse\](.*?)\[\/noparse\]/ism", 'bb_unspacefy_and_trim',$Text);
+	}
+	if (strpos($Text,'[nobb]') !== false) {
+		$Text = preg_replace_callback("/\[nobb\](.*?)\[\/nobb\]/ism", 'bb_unspacefy_and_trim',$Text);
+	}
+	if (strpos($Text,'[pre]') !== false) {
+		$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_unspacefy_and_trim',$Text);
+	}
 
 	$Text = preg_replace('/\[\&amp\;([#a-z0-9]+)\;\]/','&$1;',$Text);