Passing PHP variables from one page to another

superfly05 · October 16, 2009

Hello-

I'm having trouble figuring out how to transport a variable from one php file to another. Specifically, the name of an image, to be used as a subject in a form mail. I don't even really have the proper vocabulary to describe this, so I'll just try to show my code.

Here's the test website in question:

http://www.grymttr.com/raj/RajTest/portfolio/

When you go to the "portfolio" page, and click on the album (only one at the moment). If you see a picture you are interested in, you click on it, which triggers the file "popup2.php"

<?php error_reporting(0); if (isset($_GET['dl'])) {
$file = str_replace('/', DIRECTORY_SEPARATOR, $_GET['src']);

if (strpos($file, '..') !== false) {

exit;

}

$name = basename($file);

$info = pathinfo($name);

$ext = $info['extension'];

$full_path = dirname(__FILE__) . $file;

header("Content-Disposition: attachment; filename=$name");

switch(strtolower($ext)) {

case 'jpg':

$ct = 'image/jpeg';

break;

case 'gif':

$ct = 'image/gif';

break;

case 'png':

$ct = 'image/png';

break;

default:

$ct = 'application/octet-stream';

break;

}

header('Content-type: ' . $ct);

header('Content-length: ' . filesize($full_path));

$disabled_functions = explode(',', ini_get('disable_functions'));

if (is_callable('readfile') && !in_array('readfile', $disabled_functions)) {

readfile($full_path);

} else {

die(file_get_contents($full_path));

}

} else { ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>

<title><?php echo(strip_tags($_GET['title'])); ?></title>

<style type="text/css" media="screen">

/* <![CDATA[ */

* { margin:0; padding:0; overflow:auto;}

/* ]]> */

</style>

<script type="text/javascript" charset="utf-8">

function isIE() {

return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);

}

function resize(img_w, img_h) {

if (isIE()) {

var h = document.documentElement.clientHeight;

} else {

var h = window.innerHeight;

}

var w = document.body.clientWidth;

var adj_w = img_w - w;

var adj_h = img_h - h;

window.resizeBy(adj_w, adj_h);

window.focus();

}

</script>

<link href="mail.css" rel="stylesheet" type="text/css" />

</head>

<body>

<?php

if (strpos($_GET['src'], 'p.php?a=') !== false) {

$src = $_GET['src'];

$bits = explode('?a=', $src);

$src = $bits[0] . '?a=' . urlencode($bits[1]);

} else {

$src = strip_tags($_GET['src']);

}

?><div id="container">

<img class="image" src="<?php echo($src); ?>" alt="<?php echo(strip_tags($_GET['title'])); ?>" />

<div id="form">

<form method="POST" action="mailer.php">

Subject: "<?php echo(strip_tags($_GET['title'])); ?>"<br>

<br>

Name:

<input type="text" name="name" size="29"><br>

<br>

E-Mail:

<input type="text" name="email" size="29"><br>

<br>

<input type="checkbox" name="check[]" value="print"> print<br>

<input type="checkbox" name="check[]" value="matte"> matte<br>

<input type="checkbox" name="check[]" value="frame"> frame<br>

<br>

Message:<br>

<textarea rows="7" name="message" cols="33"></textarea><br>

<br>

<input type="submit" value="Submit" name="submit">

</form>

</div></div>

</body>

</html><?php } ?>

and then I have "mailer.php" which actually sends the mail with the variables entered in the form above. The lines highlighted in green grab the "title" of the image, like "GLS002.jpg", which is what I want to be the subject of the e-mail.

<?php

if(isset($_POST['submit'])) {

$to = "greg@grymttr.com";

$subject = $_GET['title'];

$name_field = $_POST['name'];

$email_field = $_POST['email'];

$message = $_POST['message'];

foreach($_POST['check'] as $value) {

$check_msg .= "Checked: $value\n\n";

}

$body = "From: $name_field\n\n E-Mail: $email_field\n\n Subject: $subject\n\n Message:\n\n $message\n\n $check_msg";

echo "Data has been submitted to $to!";

mail($to, $subject, $body);

} else {

echo "blarg!";

}

?>

I know the line in red is wrong, but I don't know how to get the title of the image from "popup2.php". If you go to the site and click on an image during the slideshow, you will see the pop-up open, with the title of the window and the "Subject: ....." line filled out correctly, but I can't figure out how to get that variable into the mailer.php file as the subject of the e-mail that gets sent. It's sort of critical, as that's the identification of the image in question. Help!

sKunKbad · October 16, 2009

How about:

echo '<input type="hidden" value="' . $_GET['title'] . '" name="title" />';

superfly05 · October 16, 2009

How about:

echo '<input type="hidden" value="' . $_GET['title'] . '" name="title" />';

Ok, because I'm a total novice with php, where do I put that? Appreciate the response!

superfly05 · October 16, 2009

I should also mention, this is the file "template.php" is what triggers the pop-up in the first place:

<?php

$full = DIR_HOST . '/popup2.php?src=[width:240,height:300,crop:0,quality:90,sharpening:1]&title=[img_src]';

$displayName = __('Image Inquiry', true);
$template = "javascript:if (window.NewWindow) { NewWindow.close(); }; NewWindow=window.open('$full','myWindow','width=700,height=400,toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,titlebar=no');NewWindow.focus(); void(0);";
$target = 0;

?>

So basically in the popup2.php file, I am able to retrieve the desired info ("GLS002.jpg") with

<?php echo(strip_tags($_GET['title'])); ?>

but I can't figure out how to call that variable on the mailer.php file.

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Passing PHP variables from one page to another

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