Update README.md

README.md

@@ -16,6 +16,23 @@ define('DB_PASSWORD', "your_dbpassword");
 define('DB_DBNAME', "your_db_name");    
 define('DB_CHARSET', "utf8");     
 
+The class makes use of the following global functions:      
+function array_dim($array)     
+{     
+  if (is_array(reset($array))) {     
+    $retval = array_dim(reset($array)) + 1;     
+  } else {      
+    $retval = 1;      
+  }     
+      
+  return $retval;        
+}      
+       
+function array_keys_count(& $array)      
+{      
+  return count(array_keys($array));      
+}     
+      
 This class makes use of the class FastErr, part of the Open Gallery
 project and developed by me http://github.com/par7133