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/user_guide/libraries/input.html b/user_guide/libraries/input.html
index feabc48..0b583a0 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -120,7 +120,7 @@
 In other words, normally you might do something like this:</p>

 

 <code>

-if ( ! isset($_POST['something']))<br />

+if (! isset($_POST['something']))<br />

 {<br />

 &nbsp;&nbsp;&nbsp;&nbsp;$something = FALSE;<br />

 }<br />

@@ -178,7 +178,7 @@
 <p>Takes an IP address as input and returns TRUE or FALSE (boolean) if it is valid or not.  Note:  The $this->input->ip_address() function above

 validates the IP automatically.</p>

 

-<code>if ( ! valid_ip($ip))<br />

+<code>if (! valid_ip($ip))<br />

 {<br />

 &nbsp;&nbsp;&nbsp;&nbsp; echo 'Not Valid';<br />

 }<br />