$source=imagecreatefromjpeg('test/'.$uploadFilename) // Now it will create a new image from the source $thumb=imagecreatetruecolor($newwidth,$newheight) // Making a new true color image So the newheight = thumbsize and the newwidth is thumbsize*0.77. If means the image must be compression from its height and the width is based on its height if the image width=700 and the height = 921 then the ration is 0.77. To compress the image we will calculate the rationДЇor eg. * The width and the height of the image also the getimagesize retrieve other information as well */

$imgfile = вЂњtest/вЂќ.$uploadFilename list($width,$height)=getimagesize($imgfile) $uploadFilename) or error(вЂreceiving directory insuffiecient permissionвЂ™, $uploadForm) $uploadFilename = preg_replace(вЂ™//вЂ™, вЂ_вЂ™, $uploadFilename) now letвЂ™s move the file to its final and allocate it with the new filename $uploadFilename = $uploadFilename.'.'.$extension $uploadFilename = preg_replace(вЂ™//вЂ™, вЂ-вЂ™, $uploadFilename) $uploadFilename = substr($uploadFilename,'', -4) While(file_exists($uploadFilename = $now.вЂ™-вЂ™.$_FILES)) not takenвЂ¦ if it is keep trying until we find a vacant one make a unique filename for the uploaded file and check it is should run a check to make sure the upload is an imageДЇoreach($active_keys as error($_FILES.вЂ™ not an imageвЂ™, $uploadForm) validationвЂ¦ since this is an image upload script we check that the file we are working on really was an HTTP uploadДЇoreach($active_keys as error($_FILES.вЂ™ not an HTTP uploadвЂ™, $uploadForm) Or error($_FILES.вЂ™: '.$errors], $uploadForm) or error(вЂNo files were uploadedвЂ™, $uploadForm) so store the active $_FILES array keysДЇoreach($_FILES as $key => $filename) check if any files were uploaded and if Or error(вЂthe upload form is neadedвЂ™, $uploadForm) check the upload form was actually submitted else print form (My goal is to allow anyone with any Megapixel camera to be able to upload any sized raw image without manually having to shrink it down, but also produce the least amount of strain on the server and use the least amount of disk space possible, hopefully by either reducing the quality of the image or the physical dimensions in order to compress it.) Is my 90MB limit based on the actual dimensions of the image (4000x3000) or is it related to the file size (3.8MB or 2.9MB)? Based on the Dreamhost memory and upload size limits, what is the maximum size image that I can allow people to upload without problems? IвЂ™m not very familiar with image uploading and memory issues. IвЂ™m not sure if the values set by Dreamhost are in stone or if IвЂ™m doing it wrong. htaccess file to add more than 90MB, but I got the same error as above. I also tried adding this (php_value memory_limit 164M) to my. When someone uploads a random 4000x3000 picture (one was 3.8MB and another 2.9MB in my tests), I get this error:ДЇatal error: Allowed memory size of 94371840 bytes exhausted (tried to allocate 16000 bytes) I was able to find a really simple script that works great up to a point.

Php image file size reducer