Force automatic PDF download after successful form submission

chauhan · February 1, 2017

Hi

Im trying to force and automatic PDF download after the visitor successfully submits a request form and email goes to company.

With the below codes, the email is sent and the submission is successful, but the pdf download does not start. Don't know where am I going wrong.

the following is the code:

html form

<h4>Please fill up the below form to download.</h4>

</div>

</div>

</form>

</div>

</div>

</section>

js code

$('#downloadform').submit(function(){

var action = $(this).attr('action');

$("#message").slideUp(250,function() {

$('#message').hide();

$('#submit')

.after('<img src="img/assets/contact-form-loader.gif" class="loader" />')

.attr('disabled','disabled');

$.post(action, {

source: $('#source').val(),

cname: $('#cname').val(),

product: $('#product').val(),

phone: $('#phone').val(),

mobile: $('#mobile').val(),

fname: $('#fname').val(),

lname: $('#lname').val(),

email: $('#email').val(),

remarks: $('#remarks').val(),

},

function(data){

document.getElementById('message').innerHTML = data;

$('#message').slideDown(250);

$('#downloadform img.loader').fadeOut('slow',function(){$(this).remove()});

$('#submit').removeAttr('disabled');

if(data.match('success') != null) $('#downloadform').slideUp(850, 'easeInOutExpo');

}

);

});

return false;

});

php send email code

<?php

if(!$_POST) exit;

function isEmail($email) {

return(preg_match("/^[-_.[:alnum:]]+@((([[:alnum:]]|[[:alnum:]][[:alnum:]-]*[[:alnum:]])\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)$|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i",$email));

}

if (!defined("PHP_EOL")) define("PHP_EOL", "\r\n");

$source = $_POST['source'];

$cname = $_POST['cname'];

$product = $_POST['product'];

$phone = $_POST['phone'];

$mobile = $_POST['mobile'];

$fname = $_POST['fname'];

$lname = $_POST['lname'];

$email = $_POST['email'];

$remarks = $_POST['remarks'];

$verify = $_POST['verify'];

if(trim($fname) == '') {

echo '<div class="error_message">You must enter your first name.</div>';

exit();

} else if(trim($lname) == '') {

echo '<div class="error_message">You must enter your last name.</div>';

exit();

} else if(trim($cname) == '') {

echo '<div class="error_message">You must enter your company name.</div>';

exit();

} else if(trim($phone) == '') {

echo '<div class="error_message">You must enter your phone no.</div>';

exit();

} else if(trim($mobile) == '') {

echo '<div class="error_message">You must enter your mobile no.</div>';

exit();

} else if(trim($email) == '') {

echo '<div class="error_message">Please enter a valid email address.</div>';

exit();

} else if(!isEmail($email)) {

echo '<div class="error_message">You have enter an invalid e-mail address, try again.</div>';

exit();

}

if(get_magic_quotes_gpc()) {

$remarks = stripslashes(remarks);

}

$address = "example@example.com";

$e_subject = $cname . '/' . $fname . ' ' . $lname . ' ' . $source . ' ';

$e_source = "Source: $source" . PHP_EOL . PHP_EOL;

$e_cname = "Custome Name: $cname" . PHP_EOL . PHP_EOL;

$e_product = "Product: $product" . PHP_EOL . PHP_EOL;

$e_phone = "Phone No.: $phone" . PHP_EOL . PHP_EOL;

$e_mobile = "Mobile: $mobile" . PHP_EOL . PHP_EOL;

$e_name = "Contact Person: $fname $lname" . PHP_EOL . PHP_EOL;

$e_email = "Email: $email" . PHP_EOL . PHP_EOL;

$e_remarks = "Remarks: $remarks";

$msg = $e_source . $e_cname . $e_product . $e_phone . $e_mobile . $e_name . $e_email . $e_remarks;

$headers = "From: $email" . PHP_EOL;

$headers .= "Reply-To: $email" . PHP_EOL;

$headers .= "MIME-Version: 1.0" . PHP_EOL;

$headers .= "Content-type: text/plain; charset=utf-8" . PHP_EOL;

$headers .= "Content-Transfer-Encoding: quoted-printable" . PHP_EOL;

if(mail($address, $e_subject, $msg, $headers)) {

echo "<fieldset>";

echo "<div id='success_page'>";

echo "<h4 class='highlight'>Thank you! <strong>$fname</strong>. PDF download will automatically start right now.</h4>";

echo "</div>";

echo "</fieldset>";

header( "Refresh:5; url=download.php");

} else {

echo 'ERROR!';

}

download php code

<?php

header("Content-type:application/pdf");

header("Content-Disposition:attachment;filename=sample.pdf");

readfile("sample.pdf");

?>

Jacques1 · February 1, 2017

You cannot set a header when you've already generated output. The HTTP headers come before the body, so once you start rendering the page content, it's too late to do anything with the headers.

This means you must organize your script properly and separate the programming logic from the output. In your case, I suggest you forget about the output and just send the document. Making the user wait 5 seconds and messing with page refreshes is annoying and antiquated.

Your mail code is also badly broken, but that's another story.

chauhan · February 1, 2017

This is my first project in php. Can you help me correct the code. I tried using the echo statements but the download still did not happen

Jacques1 · February 1, 2017

Read my reply.

chauhan · February 1, 2017

I changed the code to the below but still dint work.

<?php

if(!$_POST) exit;

function isEmail($email) {

return(preg_match("/^[-_.[:alnum:]]+@((([[:alnum:]]|[[:alnum:]][[:alnum:]-]*[[:alnum:]])\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)$|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i",$email));

}

if (!defined("PHP_EOL")) define("PHP_EOL", "\r\n");

$source = $_POST['source'];

$cname = $_POST['cname'];

$product = $_POST['product'];

$phone = $_POST['phone'];

$mobile = $_POST['mobile'];

$fname = $_POST['fname'];

$lname = $_POST['lname'];

$email = $_POST['email'];

$remarks = $_POST['remarks'];

$verify = $_POST['verify'];

$address = "abc@gmail.com";

$e_subject = $cname . '/' . $fname . ' ' . $lname . ' ' . $source . ' ';

$e_source = "Source: $source" . PHP_EOL . PHP_EOL;

$e_cname = "Custome Name: $cname" . PHP_EOL . PHP_EOL;

$e_product = "Product: $product" . PHP_EOL . PHP_EOL;

$e_phone = "Phone No.: $phone" . PHP_EOL . PHP_EOL;

$e_mobile = "Mobile: $mobile" . PHP_EOL . PHP_EOL;

$e_name = "Contact Person: $fname $lname" . PHP_EOL . PHP_EOL;

$e_email = "Email: $email" . PHP_EOL . PHP_EOL;

$e_remarks = "Remarks: $remarks";

$msg = $e_source . $e_cname . $e_product . $e_phone . $e_mobile . $e_name . $e_email . $e_remarks;

$headers = "From: $email" . PHP_EOL;

$headers .= "Reply-To: $email" . PHP_EOL;

$headers .= "MIME-Version: 1.0" . PHP_EOL;

$headers .= "Content-type: text/plain; charset=utf-8" . PHP_EOL;

$headers .= "Content-Transfer-Encoding: quoted-printable" . PHP_EOL;

if(mail($address, $e_subject, $msg, $headers)) {

header( "Refresh:5; url=download.php");

}

else {

echo 'ERROR!';

}

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Force automatic PDF download after successful form submission

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