/**
  * Returns the specified option value.
  * 
  * @since       3.5.0
  */
 public function get()
 {
     $_mDefault = null;
     $_aKeys = func_get_args();
     if (!isset($_aKeys[0])) {
         return null;
     }
     if (is_array($_aKeys[0])) {
         $_aKeys = $_aKeys[0];
         $_mDefault = isset($_aKeys[1]) ? $_aKeys[1] : null;
     }
     // Now either the section ID or field ID is given.
     return AdminPageFramework_WPUtility::getArrayValueByArrayKeys($this->aOptions, $_aKeys, $_mDefault);
 }