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  Tutorial: PHP Image Manipulation Upload and Resize an Image Tutorial

PHP has the ability to upload files such as documents or images using the multipart/form-data protocol, but how do you use this and how do you resize the images after they are uploaded to create thumbnails or image repository, etc. This tutorial along wit

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PHP Image Manipulation Upload and Resize an Image Tutorial
You have created a cool contact directory and you want to allow people to upload their own photos, or you want to create an image repository which you upload images and create thumbnails out of them. Whatever it is, you need to be able to upload images and resize them.

PHP installed properly
*NIX OS such as Linux
djpeg, cjpeg and pnmscale UNIX utility programs (see below)
This script works only with JPEG images. Also I'll resize the uploaded image only if it is larger than 250x200. Else, I'll leave it as it is.

Create Upload Form
First we need to create the form to upload the image. The MAX_FILE_SIZE variable needs to be set to the maximum allowable file size (in bytes) for upload. This is set using a hidden field and for this example will set to 50,000 bytes (approx. 50 kb).


 

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