FUNCTION format_cash($cash) {
    // strip any commas 
    $cash = (0 + STR_REPLACE(',', '', $cash));
 
    // make sure it's a number...
    IF(!IS_NUMERIC($cash)){ RETURN FALSE;}
 
    // filter and format it 
    IF($cash>1000000000000){ 
		RETURN ROUND(($cash/1000000000000),2).' trillion';
    }ELSEIF($cash>1000000000){ 
		RETURN ROUND(($cash/1000000000),2).' billion';
    }ELSEIF($cash>1000000){ 
		RETURN ROUND(($cash/1000000),2).' million';
    }ELSEIF($cash>1000){ 
		RETURN ROUND(($cash/1000),2).' thousand';
	}
 
    RETURN NUMBER_FORMAT($cash);
}