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burnedfaceless

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PHP form validation write var to form?

I've written the following code to ensure that the form has been completely filled out, and that a valid email address has been entered in the email box. The PHP loads HTML with an appropriate header. I kind of like this approach more than JavaScript. Is there any way that I can write the values of the form variables to the new .html page that loads so that the user can still see what they input?

<?php

      function check_email($email)
      {
            $result = TRUE;
            if(!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$", $email)) {
            $result = FALSE;
      }
  return $result;
}

      //$jaime = "private@domain.com";
      //$kim = "email@domain.com";
      //$pat =  email2@domain.com";
      $subject = "Customer message";
      $first = $_POST['fname'];
      $last = $_POST['lname'];
      $from = $_POST['email'];
      $addy = $_POST['address'];
      $reason = $_POST['ts'];
      $message = $_POST['comments'];
      
      $c = 0;
      
      if (strlen($first) > 0)
      {
            $c++;
      }
      if (strlen($last) > 0)
      {
            $c++;
      }
      if (strlen($from) > 0)
      {
            $c++;
      }
      if (strlen($addy) > 0)
      {
            $c++;
      }
      if (strlen($reason) > 0)
      {
            $c++;
      }
      if (strlen($message) > 0)
      {
            $c++;
      }
      
      if ($c == 6) //all forms are filled out
      {
            
            $body = "From: $first $last\n E-Mail: $from\n Address: $addy\n Reason: $reason\n Message: $message";
            if (check_email($from) == false) //invalid email address
            {
                  header('Location: ../ive.html'); //invalid email address the only problem
            }
            else if (check_email($from) == true) //valid email address. confirmation page
            {
                  //mail($jaime, $subject, $body);
                  //mail($kim, $subject, $body);
                  //mail($pat, $subject, $body);
                  mail($abe, $subject, $body);
                  header('Location: ../thankyou.html');
            }
      }
      
      else if ($c<6)
      {
            if (strlen($from) > 0)
            {
                  if (check_email($from) == true) //valid email with incomplete form.
                  {
                        header('Location: ../cb.html');
                  }
                  if (check_email($from) == false) //invalid email address with incomplete form
                  {
                        header('Location: ../cbf.html');
                  }
            }
            if (strlen($from) == 0) //blank email address input
            {
                  header('Location: ../cb.html');
            }
      }

?>

Thanks
Avatar of xterm
xterm

Try
var_dump($_POST);

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Avatar of merwetta1
merwetta1

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Avatar of Dave Baldwin
Here is my PHP email demo.  Save it as 'Email.php' and put in your own 'To' address.  On 'send' it will display all the info in a space above the form.  You change it so that it redirects on success but posts the data to be corrected on failure.
<?php
error_reporting(E_ALL);
ini_set('display_errors','On');

# some settings of POST vars
if (!isset($_POST['send']))  $send = ''; else $send = $_POST['send'];
if (!isset($_POST['toText'])) $toText = ''; else $toText = $_POST['toText'];
if (!isset($_POST['ccText'])) $ccText = ''; else $ccText = $_POST['ccText'];
if (!isset($_POST['subjectText'])) $subjectText = ''; else $subjectText = $_POST['subjectText'];
if (!isset($_POST['msgText'])) $msgText = ''; else $msgText = $_POST['msgText'];
if (!isset($_POST['ccText'])) $ccTexth = ''; else $ccText = $_POST['ccText'];
if (!isset($_POST['bccText'])) $bccText = ''; else $bccText = $_POST['bccText'];
if (!isset($_POST['nameText'])) $nameText = ''; else $nameText = $_POST['nameText'];
if (!isset($_POST['fromText'])) $fromText = ''; else $fromText = $_POST['fromText'];

if ($send == "") {
    $title="Test Email Page";
    $announce="---";
}
else {
	if($fromText === "") die("No name!");
  $toText="youremail@yourdomain.com";
	$title="Test Email Page";
  $announce="Your Message has been Sent!";
	$header = "From: ".$fromText."\r\n";
//	$header .= "Cc: ".$ccText."\n";
	$header .= "Reply-To : ".$fromText."\r\n";
	$header .= "Return-Path : ".$fromText."\r\n";
	$header .= "X-Mailer: PHP\r\n";
	$header .= "MIME-Version: 1.0\r\n";
	$header .= "Content-Type: text/plain; charset=iso-8859-1\r\n";
//	ini_set(sendmail_from,$fromText);  
	mail($toText, $subjectText, $msgText, $header, '-f'.$fromText);
//	ini_restore(sendmail_from);
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
 "http://www.w3.org/TR/html4/loose.dtd">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title><?php echo($title)?></title>
<style type="text/css">
<!-- 
A:link { color: #999999; }
A:visited { color: #999999; }
A:hover {color: #0099ff;}
-->
</style>
<script type="text/javascript">
<!--
function check()
{
var at=document.getElementById("fromText").value.indexOf("@");
var eml=document.getElementById("fromText").value;
var nam=document.getElementById("nameText").value;
var alerttxt="";
var submitOK="true";

if (eml.length < 5 || at == -1)
    {
    alerttxt=alerttxt+"Please enter a valid e-mail address!\r\n";
    submitOK="false"
    //return false;
    }
if (nam.length < 3)
    {
    alerttxt=alerttxt+"Please enter your name.\r\n";
    submitOK="false"
    //return false;
    }
if (submitOK=="false")
    {
    alert(alerttxt);
    return false;
    }

}
// -->
</script>
</head>

<body bgcolor="#ddeedd">
<div align="center">
<table border="0" cellpadding="0" cellspacing="0" summary="" width="580">
<tr><td align="center">

<?php
if ($send != "") {
   	echo ("To: ".$toText."<br>\r\nSubject: ".$subjectText."<br>\r\n".$msgText."<br>\r\n".$header);
		}
?>

<p><b><font color="#000000" size="5">Test Email</font></b></p>
<font size="4" color="#000000">

<!--   <form method="POST" action="<?php echo($PHP_SELF)?>"> -->
<form method="POST" action="Email.php" onsubmit="return check();">
    <p><font size="3"><b>Name: <input type="text" name="nameText" id="nameText" size="46"></b></font></p>
    <p><font size="3"><b>Email: <input type="text" name="fromText" id="fromText" size="46"></b></font></p>
    <input type="hidden" name="subjectText" value="Web Mail">
    <p><font face="Arial" size="3"><b>Message Text:</b></font></p>
    <p><font face="Arial" size="3"><b><textarea rows="6" name="msgText" cols="60"></textarea></b></font></p>
    <p><font size="3"><b><input type="submit" value="Send" name="send" style="font-family: Arial; font-size: 12pt; font-weight: bold"></b></font></p>
    <input type="hidden" name="state" value="1">
  </form>
  <b><font face="Arial" size="4" color="#e00000"><?php echo($announce)?></font></b><br><br>

</font>
</td></tr>
</table> 
</div>


</body>
</html>

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