easy counter not functioning

[pkcidstudio]

hey i have this easy counter that is suppose to wright to a txt file and then after the number reaches X which in my case is 100, it displays a error saying sorry bummer blabla. any who i think i am missing something becasue it is not submitting the error. i want a simple pop up error, any thoughts? also it is not wrighting to the txt file, and i have already changed the txt to 0666. thoughts?

 <!-- //////validation//////////validation////////////validation////////////validation///////////// -->
<?php
       if (isset($_POST["submit"]))
         {
            $error = array();
            $message = "";
            $validEmail = "^[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*" . "@[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*" . ".[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*$";
            $validName = "^[a-z]*" . " [a-z]*$";
            $validZip = "^([0-9]{4,5})$";


                            
            if (!eregi($validName, $_POST["name"]))
                {
                      $error[] = 'Name field incomplete, First and Last Please.';
                }
            if (!eregi($validEmail, $_POST["email"]))
                {
                      $error[] = 'Email field incomplete.';
                }
            if ($_POST["address"] == "")
                {
                      $error[] = 'Address field incomplete.';
                }
            if ($_POST["city"] == "")
                   {
                      $error[] = 'City field incomplete.';
                }
            if (!eregi($validZip, $_POST["zip"]))
                {
                      $error[] = 'Zip code field must be 4 to 5 digits in length.';
                }
            if ($_POST["phone"] == "")
                {
                      $error[] = 'Phone field incomplete.';
                }
            if ($_POST["state"] == "")
                {
                      $error[] = 'state field incomplete.';
                }
            if (count($error) == 0)
                {
                    require '0806_contestcode.php';
                    print '<meta http-equiv="refresh" content="0;url=http://www.company.com/contact/contactus/thankyou.html">';
                    exit;  
                } 
                $logfile = "log.txt";
                if(intval( @file_get_contents($logfile) )<1){
                    //echo "<input type=\"submit\" name=\"submit\" value=\"submit\">";
                    $current = intval( @file_get_contents($logfile) ); 
                    $current++;
                    fwrite($logfile, $current);
                }else{
                    echo "<span style=\"color: #FF0000;\">We are sorry, but the maximum number of submit has been 
                    reached for now. Please wait for an administrator to reset the submit count.</span>";
                    echo "<input type=\"submit\" name=\"submit\" value=\"submit\" disabled=\"disabled\">";    
                }
                //alert to us that number has been reached
                if(intval( @file_get_contents($logfile) )<1){
                    
                }else{
                    $headers = "From: company\n";
                    $headers .= "Reply-to: company\n";
                    $message .= "just a friendly note we have reached our goal of whatever it is";
                    mail("g@g.com", "number has been reached: ", $message, $headers);   
                }
            
         }
?>

[pkcidstudio]

figured out with help from everyone thankx everyone.

<?php
if (isset($_POST["submit"]))
{
    $expire = "<b>Thank you for your interest. Due to overwhelming response compnay compnay compnay compnay Samples are no longer available. Watch for future opportunities in upcoming issues of compnay compnay compnay E-Newsletter.</b> ";
    $logfile = 'log.txt';
      
    $current = intval( @file_get_contents($logfile) );
    
    if ($current > 101)
    {
        print '<meta http-equiv="refresh" content="0;url=http://www.compnay.com/contact/contactus/errormessage.html">';
        echo $expire;
        exit();
    }
    else
    {
         $current++;
         
         $fp = fopen($logfile, 'w');
         fwrite($fp, $current);
         fclose($fp);
    }
    
    
//////////validation//////////validation////////////validation////////////validation///////////// 
   
      $error = array();
      $message = "";
    $validEmail = "^[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*" . "@[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*" . ".[0-9a-z~!#$%$_-]([.]?[0-9a-z~!#$%$_-])*$";
       $validName = "^[a-z]*" . " [a-z]*$";
    $validZip = "^([0-9]{4,5})$";
                    
    if (!eregi($validName, $_POST["name"]))
        {
              $error[] = 'Name field incomplete, First and Last Please.';
        }
    if (!eregi($validEmail, $_POST["email"]))
        {
              $error[] = 'Email field incomplete.';
        }
    if ($_POST["address"] == "")
        {
              $error[] = 'Address field incomplete.';
        }
    if ($_POST["city"] == "")
           {
              $error[] = 'City field incomplete.';
        }
    if (!eregi($validZip, $_POST["zip"]))
        {
              $error[] = 'Zip code field must be 4 to 5 digits in length.';
        }
    if ($_POST["phone"] == "")
        {
              $error[] = 'Phone field incomplete.';
        }
    if ($_POST["state"] == "")
        {
              $error[] = 'state field incomplete.';
        }
    if (count($error) == 0)
        {
            require '0806_contestcode.php';
            print '<meta http-equiv="refresh" content="0;url=http://www.compnay.com/contact/contactus/thankyou.html">';
            exit;  
        }  

 }
?>