[PHP] Problem with $_POST[] and header();

[Shaun]

Hi,

I have an include file which I use to check all input. if there is a problem
the user is redirected to the page they came from

if(!mysql_query($query)){
   $error = "Could not complete query";
   header("Location: file.php?error=$error");
   exit;
}

However in file.php I have included $_POST[] variables sent from a previous
page using the following method

foreach ($_POST as $key => $value) {
   echo "<input type=\"hidden\" name=\"".$key."\" value=\"".$value."\">";
}

But if there is a problem with the input the $_POST[] values are not resent,
is there a way to do this?

Thanks for your help

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