<?php
    getThumb($_GET['url'], $_GET['width'], $_GET['height'], false);
    function getThumb($url, $width, $height, $savePath)
    {
        // Get image
        $handle = fopen($url, 'rb');
        $img = new Imagick();
        $img->readImageFile($handle);

        // Do math

        $imgWidth = $width;
        $imgHeight = $height;
        $wah = $imgWidth > $imgHeight;
        $r;
        if(!$wah)
        {
            $r = $img->width/$img->height;
            $imgWidth = $imgHeight*$r;
        }
        else
        {
            $r = $img->height/$img->width;
            $imgHeight = $imgWidth*$r;
        }

        // Resize iamge
        $img->resizeImage($imgWidth, $imgHeight, 0, 0);

        // Crop image
        $offsetX = ($img->width - $width)/2;
        $offsetY = ($img->height - $height)/2;
        $img->cropImage($width, $height, $offsetX, $offsetY);
        $img->setImagePage(0, 0, 0, 0);

        if(!$savePath) echo '<img src="data:image/jpg;base64,'.base64_encode($img->getImageBlob()).'" alt="" />';
        else $img->writeImage($savePath);
    }
?>