$googleScreen = new Screen(
	GDImg::fromPath(__DIR__.'/tests/data/googleSample.png'),
	['Google logo' => new Piece([10, 10, 230, 100], [], 0)]
);
$screenshot = GDImg::fromPath(__DIR__.'/tests/data/googleScreenshot.png');
var_dump($googleScreen->equal($screenshot));
var_dump($googleScreen->piecePresent('Google logo', $screenshot));

$screenshot = GDImg::fromPath(__DIR__.'/data/google1.png');
$logo = GDImg::fromPath(__DIR__.'/data/googleLogo.png');
$pos = Utils::search($screenshot, $logo)();
var_dump($pos);

example.php

docker-compose -f ./docker/docker-compose.yml run --rm php php app/example.php

тесты

docker-compose -f ./docker/docker-compose.yml run --rm php bash app/vendor/bin/phpunit -c app/tests/phpunit.xml app/tests