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php form validation with html e-mail

  • beaner
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  • Posts: 15
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Post January 26th, 2010, 2:18 pm

Hi all,
I have a html form that when submitted calls a php file that sends an html email to the e-mail provided. I would like it to redirect to an error page if all the specified fields are not filled in correctly. The redirect works if content is inputted incorrectly but doesn't work if all the fields are blank. Any ideas
Code: [ Select ]
$fname = substr($_POST[fname], 0, 100);
$name = substr($_POST[name], 0, 100);
$address = substr($_POST[address], 0, 100);
$city = substr($_POST[city], 0, 100);
$province = substr($_POST[province], 0, 100);
$postalcode = substr($_POST[postalcode], 0, 100);
$email = substr($_POST[email], 0, 100);
$msg = substr($_POST[message], 0, 800);

if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) header ("Location: http://www/content_error.html");

if (empty($_POST[fname])) header ("Location: http://www/content_error.html");
if (empty($_POST[name])) header ("Location: http://www/error.html");

//define the receiver of the email
$to = $email;
//define the subject of the email
$subject = 'ExtendBar Coupon Request';
//create a boundary string. It must be unique
//so we use the MD5 algorithm to generate a random hash
$random_hash = md5(date('r', time()));
//define the headers we want passed. Note that they are separated with \r\n
$headers = "From: noReply@";
//add boundary string and mime type specification
$headers .= "\r\nContent-Type: multipart/alternative; boundary=\"PHP-alt-".$random_hash."\"";
//define the body of the message.


ob_start(); //Turn on output buffering
?>
--PHP-alt-<?php echo $random_hash; ?> 
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

Thank you for your interest in ExtendBar.

Please click on the link below to recieve your in-store coupon.
Print out the coupon and bring it with you to a participating pharmacy.



Please do not hesitate to contact us at anytime should you have any further questions.
We look forward to hearing from you!

Kind Regards,

Staff


--PHP-alt-<?php echo $random_hash; ?> 
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

<html>
<head>
<title>ExtendBar Coupon Request</title>
<style type="text/css">
<!--
.style1 {font-family: Verdana, Arial, Helvetica, sans-serif}
.style2 {font-size: 11px}
.style3 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; }
-->
</style>
</head>
<body>
<div><img src="emailHeader.jpg" width="640" height="89"></div><br/>
 <p><span class="style1"><span class="style2"><strong>Thank you for your interest in ExtendBar. 
  </strong><br>
 <br>
Please click on the link below to recieve your in-store coupon. <br>
Print out the coupon and bring it with you to a participating pharmacy.<br>
 <br>
 <a href="" target="_blank">CLICK HERE TO RECIEVE YOUR EXTENDBAR COUPON</a></span></span><br/> 
 <BR>
</p>
<p class="style3"> Please do not hesitate to contact us at anytime should you have any further questions.<BR>
 We look forward to hearing from you! </span></span></p>
<p class="style3">Kind Regards,</p>
<p class="style3"> <strong></strong><BR>

1</p>


</body>
</html>

--PHP-alt-<?php echo $random_hash; ?>--
<?
//copy current buffer contents into $message variable and delete current output buffer
$message = ob_get_clean();
//send the email
$mail_sent = @mail( $to, $subject, $message, $headers );
//if the message is sent successfully print "Mail sent". Otherwise print "Mail failed"
echo $mail_sent ? "Mail sent" : "Mail failed";
include 'content_thanks.html';
include 'data/ICOM/ExtendBarQueryICOM.php';
?>
  1. $fname = substr($_POST[fname], 0, 100);
  2. $name = substr($_POST[name], 0, 100);
  3. $address = substr($_POST[address], 0, 100);
  4. $city = substr($_POST[city], 0, 100);
  5. $province = substr($_POST[province], 0, 100);
  6. $postalcode = substr($_POST[postalcode], 0, 100);
  7. $email = substr($_POST[email], 0, 100);
  8. $msg = substr($_POST[message], 0, 800);
  10. if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) header ("Location: http://www/content_error.html");
  12. if (empty($_POST[fname])) header ("Location: http://www/content_error.html");
  13. if (empty($_POST[name])) header ("Location: http://www/error.html");
  15. //define the receiver of the email
  16. $to = $email;
  17. //define the subject of the email
  18. $subject = 'ExtendBar Coupon Request';
  19. //create a boundary string. It must be unique
  20. //so we use the MD5 algorithm to generate a random hash
  21. $random_hash = md5(date('r', time()));
  22. //define the headers we want passed. Note that they are separated with \r\n
  23. $headers = "From: noReply@";
  24. //add boundary string and mime type specification
  25. $headers .= "\r\nContent-Type: multipart/alternative; boundary=\"PHP-alt-".$random_hash."\"";
  26. //define the body of the message.
  29. ob_start(); //Turn on output buffering
  30. ?>
  31. --PHP-alt-<?php echo $random_hash; ?> 
  32. Content-Type: text/plain; charset="iso-8859-1"
  33. Content-Transfer-Encoding: 7bit
  35. Thank you for your interest in ExtendBar.
  37. Please click on the link below to recieve your in-store coupon.
  38. Print out the coupon and bring it with you to a participating pharmacy.
  42. Please do not hesitate to contact us at anytime should you have any further questions.
  43. We look forward to hearing from you!
  45. Kind Regards,
  47. Staff
  50. --PHP-alt-<?php echo $random_hash; ?> 
  51. Content-Type: text/html; charset="iso-8859-1"
  52. Content-Transfer-Encoding: 7bit
  54. <html>
  55. <head>
  56. <title>ExtendBar Coupon Request</title>
  57. <style type="text/css">
  58. <!--
  59. .style1 {font-family: Verdana, Arial, Helvetica, sans-serif}
  60. .style2 {font-size: 11px}
  61. .style3 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; }
  62. -->
  63. </style>
  64. </head>
  65. <body>
  66. <div><img src="emailHeader.jpg" width="640" height="89"></div><br/>
  67.  <p><span class="style1"><span class="style2"><strong>Thank you for your interest in ExtendBar. 
  68.   </strong><br>
  69.  <br>
  70. Please click on the link below to recieve your in-store coupon. <br>
  71. Print out the coupon and bring it with you to a participating pharmacy.<br>
  72.  <br>
  73.  <a href="" target="_blank">CLICK HERE TO RECIEVE YOUR EXTENDBAR COUPON</a></span></span><br/> 
  74.  <BR>
  75. </p>
  76. <p class="style3"> Please do not hesitate to contact us at anytime should you have any further questions.<BR>
  77.  We look forward to hearing from you! </span></span></p>
  78. <p class="style3">Kind Regards,</p>
  79. <p class="style3"> <strong></strong><BR>
  81. 1</p>
  84. </body>
  85. </html>
  87. --PHP-alt-<?php echo $random_hash; ?>--
  88. <?
  89. //copy current buffer contents into $message variable and delete current output buffer
  90. $message = ob_get_clean();
  91. //send the email
  92. $mail_sent = @mail( $to, $subject, $message, $headers );
  93. //if the message is sent successfully print "Mail sent". Otherwise print "Mail failed"
  94. echo $mail_sent ? "Mail sent" : "Mail failed";
  95. include 'content_thanks.html';
  96. include 'data/ICOM/ExtendBarQueryICOM.php';
  97. ?>
  • Anonymous
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Post January 26th, 2010, 2:18 pm

  • nexuslite
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Post February 11th, 2010, 5:52 am

This probably isn't the best way but I would check to make sure each of the fields that need to be filled out have length.

Code: [ Select ]
$fname = substr($_POST[fname], 0, 100);
$name = substr($_POST[name], 0, 100);
$address = substr($_POST[address], 0, 100);
$city = substr($_POST[city], 0, 100);
$province = substr($_POST[province], 0, 100);
$postalcode = substr($_POST[postalcode], 0, 100);
$email = substr($_POST[email], 0, 100);
$msg = substr($_POST[message], 0, 800);

$error = 0;
$error = strlen($fname)?$error:1;
$error = strlen($name)?$error:1;
$error = strlen($address)?$error:1;
$error = strlen($city)?$error:1;
$error = strlen($province)?$error:1;
$error = strlen($postalcode)?$error:1;
$error = strlen($email)?$error:1;
$error = strlen($msg)?$error:1;


if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email) || $error)
    header ("Location: http://www/content_error.html");
  1. $fname = substr($_POST[fname], 0, 100);
  2. $name = substr($_POST[name], 0, 100);
  3. $address = substr($_POST[address], 0, 100);
  4. $city = substr($_POST[city], 0, 100);
  5. $province = substr($_POST[province], 0, 100);
  6. $postalcode = substr($_POST[postalcode], 0, 100);
  7. $email = substr($_POST[email], 0, 100);
  8. $msg = substr($_POST[message], 0, 800);
  10. $error = 0;
  11. $error = strlen($fname)?$error:1;
  12. $error = strlen($name)?$error:1;
  13. $error = strlen($address)?$error:1;
  14. $error = strlen($city)?$error:1;
  15. $error = strlen($province)?$error:1;
  16. $error = strlen($postalcode)?$error:1;
  17. $error = strlen($email)?$error:1;
  18. $error = strlen($msg)?$error:1;
  21. if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email) || $error)
  22.     header ("Location: http://www/content_error.html");

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