<?php
declare(strict_types=1);

$image = imagecreatetruecolor(2, 2);
$same = $image;
$red = imagecolorallocate($same, 255, 0, 0);
imagesetpixel($same, 0, 0, $red);
echo imagecolorsforindex($image, imagecolorat($image, 0, 0))["red"], "\n";
