URL markup

inc/config.php

@@ -66,6 +66,9 @@
 	
 	// Automatically convert things like "..." to Unicode characters ("�")
 	define('AUTO_UNICODE',	true);
+	// Whether to turn URLs into functional links
+	define('MARKUP_URLS',	true);
+	define('URL_REGEX',		"/(https?|ftp)\:\/\/([a-z0-9+!*(),;?&=\$_.-]+(\:[a-z0-9+!*(),;?&=\$_.-]+)[email protected])?([a-z0-9-.]*)\.([a-z]{2,3})(\:[0-9]{2,5})?(\/([a-z0-9+\$_-]\.?)+)*\/?(\?[a-z+&\$_.-][a-z0-9;:@&%=+\/\$_.-]*)?(#[a-z_.-][a-z0-9+\$_.-]*)?/");
 	
 	// Allowed file extensions
 	$allowed_ext = Array('jpg', 'jpeg', 'bmp', 'gif', 'png');

inc/functions.php

@@ -125,12 +125,12 @@
 		
 		$body = str_replace("\r", '', $body);
 		
+		if(MARKUP_URLS)
+			$body = preg_replace(URL_REGEX, "<a href=\"$0\">$0</a>", $body);
+			
 		$body = preg_replace("/(^|\n)([\s]+)?(&gt;)([^\n]+)?($|\n)/m", '$1$2<span class="quote">$3$4</span>$5', $body);
-		
 		$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "<h2>$2</h2>", $body);
-		
 		$body = preg_replace("/'''(.+?)'''/m", "<strong>$1</strong>", $body);
-		
 		$body = preg_replace("/\n/", '<br/>', $body);
 	}