class wont return list php -


hi started lear oop , came acros problem, whwn used script in normal scripring sequence ecoed out list of items when put class file first line problem? class file:

<?php class getpvm{ function ($sql){      while($row = mysql_fetch_array($sql)){              $id = $row["product_id"];             $product_name = $row["product_name"];             $price = $row["price"];              return $list =' <li>'.$id .' '.$product_name.' '.$price.'(pvm '.$price*0.21 .') </br></li>';              }     }    }

and call this:

$sql = mysql_query("select * product");     echo $list=($getpvm->get($sql))

use below code , try:

class getpvm{ function ($sql){  $list = '';  while($row = mysql_fetch_array($sql)){        $id = $row["product_id"];         $product_name = $row["product_name"];         $price = $row["price"];           $list .=' <li>'.$id .' '.$product_name.' '.$price.'(pvm '.$price*0.21 .') </br></li>';          }          return $list; }    }

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