<?php
    // Get image
    $handle = fopen($_GET['url'], 'rb');
    $img = new Imagick();
    $img->readImageFile($handle);

    $orgWidth = $_GET['width'];
    $orgHeight = $_GET['height'];

    // Do math
    $width = $orgWidth;
    $height = $orgHeight;
    $wah = $width > $height;
    $r;
    if(!$wah)
    {
        $r = $img->width/$img->height;
        $width = $height*$r;
    }
    else
    {
        $r = $img->height/$img->width;
        $height = $width*$r;
    }

    // Resize iamge
    $img->resizeImage($width, $height, 0, 0);

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

    echo '<img src="data:image/jpg;base64,'.base64_encode($img->getImageBlob()).'" alt="" />';
    // $img->writeImage('images/foo.jpg'); om op te slaan
?>