<?php
class Length {
   var $length=0;  //assumes a length in inches
   function _construct() {
     $this->length=0;
   } //constructor
   function setLength($length) {
       $this->length=$length;
   } //setLength
   function getLength() {
     return $this->length;
   } //getNumerator
   function Centimeter() {
     return 2.54*$this->length;
   }//Centimeter
   function toString() {
     $neg="";
     if($this->length<0) $neg="-";
     $feet=abs(intval($this->length/12));
     $inches=abs($this->length%12);
     $result=$neg." ".$feet."'".$inches.'"'; //3'7" for example
     return $result;
   } //toString
   function _destruct() {
   
   } //destruct
} //Length
?>