Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index 24e0b17..004cfb1 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -123,7 +123,7 @@
 						'DATE_W3C'		=>	'%Y-%m-%dT%H:%i:%s%Q'

 						);

 

-		if ( ! isset($formats[$fmt]))

+		if (! isset($formats[$fmt]))

 		{

 			return FALSE;

 		}

@@ -152,12 +152,12 @@
 		$CI =& get_instance();

 		$CI->lang->load('date');

 

-		if ( ! is_numeric($seconds))

+		if (! is_numeric($seconds))

 		{

 			$seconds = 1;

 		}

 	

-		if ( ! is_numeric($time))

+		if (! is_numeric($time))

 		{

 			$time = time();

 		}

@@ -271,7 +271,7 @@
 			return 0;

 		}

 	

-		if ( ! is_numeric($year) OR strlen($year) != 4)

+		if (! is_numeric($year) OR strlen($year) != 4)

 		{

 			$year = date('Y');

 		}

@@ -442,7 +442,7 @@
 		$datestr = trim($datestr);

 		$datestr = preg_replace("/\040+/", "\040", $datestr);

 

-		if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $datestr))

+		if (! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $datestr))

 		{

 			return FALSE;

 		}

@@ -592,7 +592,7 @@
 		if ($tz == 'GMT')

 			$tz = 'UTC';

 	

-		return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];

+		return (! isset($zones[$tz])) ? 0 : $zones[$tz];

 	}

 }