a refresh error help here

[webtuto]

hi

sorry i dont have arabic keybouard

 

i use this code but everytime the user refresh the page its like if he rate again :s

 

<form method="post" action="">
<b>Rate this tutorial</b> <select name="rate">
<option name='ra' selected>Rate</option>
<option name=1>1</option>
<option name=2>2</option>
<option name=3>3</option>
<option name=4>4</option>
<option name=5>5</option>
<input type="submit" value="rate" name="value">
</form>
<?php
if($_POST['value']){
$sql="INSERT INTO rate set rate='$_POST[rate]',tuto_id='$get'";
$res = mysql_query($sql) or die('Database error: ' . mysql_error());
if($res) {
  echo"Thanks for rating<br><br>";
}else{echo"it was a problem in the rate plz try again!<br><br>";}
}
if(!isset($_POST['ra'])){
$web="SELECT SUM(`rate`) / COUNT(`rate`) as rate from `rate`";
$tuto=mysql_query($web) or die('Database error: ' . mysql_error());
$mas=mysql_fetch_array($tuto);
echo"The Rating of this tutorial is : <font color=red>".$mas['rate']."</a><br><br>";
}

 

whats solution

[revraz]

Don't post to itself, and then they can refresh the result page as much as they want.

[webtuto]

so can u edit the code plz

[Barand]

No. Your double-posting has used up my goodwill for today.