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9.2

PHP image resize that makes the resulting image download to user's computer and redirects to new page.

Asked by Chiselneck in PHP Scripting Language, Miscellaneous Web Development, PHP and Databases

Tags: php, image, resize, html

How can I made this code used to resize an image to 40 pixels wide... make the resulting image download to the user's computer, so they can save it to their hard drive and not on our server?

Also is there a method to have the user redirected to another page once the file has been converted?
Thanks.

Here's the code for the HTML page:

=====================================
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Resize to 40 pixels wide</title>
<style type="text/css">

</style>
</head>

<body>
<span class="style1"><span class="style3">Resize your images to 40 Pixels wide.</span><br />
Click browse below, locate the image you wish to resize and click Submit.<br />
<br />
</span>
<form action="upload.php" method="post" enctype="multipart/form-data" class="style1" >
<input type="file" name="uploadfile"/>
<input type="submit"/>
</form>
</body>
</html>
=================================

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             <?php
 
// This is the temporary file created by PHP 
$uploadedfile = $_FILES['uploadfile']['tmp_name'];
 
// Create an Image from it so we can do the resize
$src = imagecreatefromjpeg($uploadedfile);
 
// Capture the original size of the uploaded image
list($width,$height)=getimagesize($uploadedfile);
 
// For our purposes, I have resized the image to be
// 600 pixels wide, and maintain the original aspect 
// ratio. This prevents the image from being "stretched"
// or "squashed". If you prefer some max width other than
// 600, simply change the $newwidth variable
$newwidth=40;
$newheight=($height/$width)*$newwidth;
$tmp=imagecreatetruecolor($newwidth,$newheight);
 
// this line actually does the image resizing, copying from the original
// image into the $tmp image
imagecopyresampled($tmp,$src,0,0,0,0,$newwidth,$newheight,$width,$height);
 
// now write the resized image to disk. I have assumed that you want the
// resized, uploaded image file to reside in the ./images subdirectory.
$filename = "resized/". $_FILES['uploadfile']['name'];
imagejpeg($tmp,$filename,100);
 
imagedestroy($src);
imagedestroy($tmp); // NOTE: PHP will clean up the temp file it created when the request
// has completed.
?>
           
         

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PHP image resize that makes the resulting image download to user's computer and redirects to new page.

Asked by Chiselneck in PHP Scripting Language, Miscellaneous Web Development, PHP and Databases

Tags: php, image, resize, html

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