<?php
require 'CImage.php';
// Give original file to the class constructor
$img = new CImage('original.jpg');
// Define thumbnail file
$img->setThumbnail('/tmp/scaled.png');
// Define thumbnail format. If this is not given, then the
// output file will be in JPEG-format.
$img->setFormat('png');
// If there is already file what is set in setThumbnail, then
// this will define that we must overwrite file. Otherwise
// if file exists, it will throw Exception
$img->setOverwrite(true);
// And now, resize to 500x200, but keep aspect ratio.
// If you want excatly 500x200, then use this without third parameter.
$img->resize('500', '200', 'FIT');
