Hi hope you are all well.

I am having some problems trying to install a picnik api edit facility and would greatly appreciate some help with my code. I am very new to coding of any kind so I apologise in advance for being a newb!

What I 'want' to happen:
user browse for photo
user clicks import
image sent to picnik for editing
user edits image
user clicks 'export'
edited image saved on mysite.com server (i.e. /customer pics)
customer returned to original upload url with small thumb of uploaded/edited pic/success message etc.

Where I have got so far:
user browse for photo
user clicks import
image sent to picnik for editing
user edits image
user clicks 'export'

from here I am struggling! When export is clicked, picnik redirects to original product/upload url(for customer to complete order). But no preview of edited image and no image is uploaded to '/customer_pics' folder. So I know I still have some work to do, but reading through picnik help is just confusing me even more!

I currently have the following code:

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<form action="http://www.picnik.com/service/?_apikey='MYAPIKEY'&amp;_export=http%3A//www.MYWEBSITE.com/" enctype="multipart/form-data" method="POST"> <input name="_apikey" type="hidden" value="MYAPIKEY" />
<input name="_import" type="hidden" value="imagedata" />
<input name="imagedata" type="file" />
<input type="submit" value="Import!" />
</form>
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I also have the following code saved in my '/customer_pics' folder as 'push.php', since I am using the push method. I am trying to work out how to use this to 1. Receive the data. 2. Process it (eg., save it somewhere). 3. Display a result page with thumb(eg., back to same url).

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<?php
// PHP script to receive image data from Picnik via HTTP POST

// Make sure we've been sent an image. By default, the
// image data goes into the "file" field, but we could
// change that using the _export_field API parameter.
if (!isset($_FILES['file'])) {
echo "Sorry, no image data was sent.";
exit();
}

// retrieve the image's attributes from the $_FILES array
$image_tmp_filename = $_FILES['file']['tmp_name'];
$image_filename = $_FILES['file']['name'];

// Save the image to disk. It'll go into the same directory as
// this script. You'd probably want to put it somewhere else in the
// file system like a "/images" directory, or maybe even into a database.
// Make sure your web server has write access to the destination dir,
// or the call to file_put_contents isn't going to work.
$image_data = file_get_contents( $image_tmp_filename );

// Note: file_put_contents requires PHP 5. Use fopen/fwrite/fclose for earlier versions.
file_put_contents( $image_filename, $image_data );

// Display a result to let the user know what happened. You
// might need to be smarter about how the $image_link variable is
// built, depending on how your web server is set up.
$image_link = dirname($_SERVER['PHP_SELF']) . "/" . $image_filename;
echo "Your file was saved to $image_filename.<br/>";
echo "You can find it at this URL: <a href='$image_link'>$image_link</a><br/>";
echo "<img src='$image_link'>";
?>
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Any help, advice, pointers in the right direction would be greatly appreciated and thank you in advance for time and help offered.