<?php
<?php
// load in the base image into Imagick
$imageOne = new Imagick('images/base-map.png');
$imageTwo = new Imagick('images/pins/location-7.png');
$imageOne->compositeImage($imageTwo, Imagick::COMPOSITE_DIFFERENCE, 0, 0);
$imageOne->paintTransparentImage($imageOne->getImagePixelColor(0, 0), 0, 5000);
header('Content-Type: image/png');
echo $imageOne;