class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
You need to raise the PHP memory limit, usually in php.ini. On shared hosting, you probably can't edit your php.ini, so you can try the following, although it will work only if the hosting company allows it, which they usually don't.
You can add this in your script:
ini_set ( "memory_limit", "40M")
Or in a .htaccess file:
php_value memory_limit 40M
If the above doesn't work, ask your hosting company.Reply
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You can also check this post.
You need to raise the PHP memory limit, usually in php.ini. On shared hosting, you probably can't edit your php.ini, so you can try the following, although it will work only if the hosting company allows it, which they usually don't.
You can add this in your script:
Or in a .htaccess file:
If the above doesn't work, ask your hosting company.