note 100577 added to function.imagepng

If you're generating an image dynamically based on post data and don't want to save it to the server, sending it to be displayed can cause problems as when the person tries to save it, the browser will request it again from the server (causing any post data to be lost and probably a corrupted png). The easiest way to get around this is to force it to download using the content disposition header, for example: header('Content-Disposition: Attachment;filename=image.png'); header('Content-type: image/png'); ---- Server IP: 69.147.83.197 Probable Submitter: 81.132.0.93 ---- Manual Page -- http://www.php.net/manual/en/function.imagepng.php Edit -- https://master.php.net/note/edit/100577 Del: integrated -- https://master.php.net/note/delete/100577/integrated Del: useless -- https://master.php.net/note/delete/100577/useless Del: bad code -- https://master.php.net/note/delete/100577/bad+code Del: spam -- https://master.php.net/note/delete/100577/spam Del: non-english -- https://master.php.net/note/delete/100577/non-english Del: in docs -- https://master.php.net/note/delete/100577/in+docs Del: other reasons-- https://master.php.net/note/delete/100577 Reject -- https://master.php.net/note/reject/100577 Search -- https://master.php.net/manage/user-notes.php