readerfunctons.php

<?php session_start();
?>
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<?php 


$host="localhost";
$user="root";
$pass="";
$conn=mysql_connect($host,$user,$pass);
$db=mysql_select_db("elib");


$reader_id = $_REQUEST['reader_id'];
$_SESSION['reader_id'] = $reader_id;
//echo $_SESSION['reader_id'];
$cardno;
//echo $reader_id;

$sel="select * from reader";
  $query=mysql_query($sel);
  while($row=mysql_fetch_array($query))	
  {  
		$cardno = $row['reader_id'];
  }
  if($reader_id != $cardno)
  {
  		header("location:wroungcard.php"); exit;
  }
?>

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