public function reset(){
    	$originalSettings = $this->settings;
    	$this->settings = array();
    	if(file_put_contents($this->cacheFileName, "{}") === FALSE){
    		$this->settings = $originalSettings;
    		return FALSE;
    	}
    	return TRUE;
    }
public function reset(){
    	$originalSettings = $this->settings;
    	$this->settings = array();
    	if(file_put_contents($this->cacheFileName, "{}") === FALSE){
    		$this->settings = $originalSettings;
    		return FALSE;
    	}
    	return TRUE;
    }
public function reset ( ) { $ originalSettings = $ this -> settings ; $ this -> settings = array ( ) ; if ( file_put_contents ( $ this -> cacheFileName , "{}" ) === FALSE ) { $ this -> settings = $ originalSettings ; return FALSE ; } return TRUE ; }
resets complete cache to empty
@return boolean, TRUE on success , FALSE on failure
resets complete cache to empty