Add comments to Utils class

app/Attendize/Utils.php

@@ -7,17 +7,31 @@ use PhpSpec\Exception\Exception;
 
 class Utils
 {
-    
+    /**
+     * Check if the current user is registered
+     *
+     * @return bool
+     */
     public static function isRegistered()
     {
         return Auth::check() && Auth::user()->is_registered;
     }
 
+    /**
+     * Check if the current user is confirmed
+     *
+     * @return bool
+     */
     public static function isConfirmed()
     {
         return Auth::check() && Auth::user()->is_confirmed;
     }
 
+    /**
+     * Check if the DB has been set up
+     *
+     * @return bool
+     */
     public static function isDatabaseSetup()
     {
         try {
@@ -90,6 +104,11 @@ class Utils
         return false;
     }
 
+    /**
+     * Determine max upload size
+     *
+     * @return float|int
+     */
     public static function file_upload_max_size()
     {
         static $max_size = -1;
@@ -109,6 +128,12 @@ class Utils
         return $max_size;
     }
 
+    /**
+     * Parses the given size
+     *
+     * @param $size
+     * @return float
+     */
     public static function parse_size($size)
     {
         $unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.