data.php

<?php

$im = imagecreatefrompng("data.png");
$binary = "";

for($i=0; $i<imagesx($im); $i++){
  $rgb = imagecolorat($im, $i, 0);
	$r = ($rgb >> 16) & 0xFF;
	$g = ($rgb >> 8) & 0xFF;
	$b = $rgb & 0xFF;

	$r = decbin($r);
	$g = decbin($g);
	$b = decbin($b);

	$binary .= $r[strlen($r)-1].$g[strlen($g)-1].$b[strlen($b)-1];
}

echo $binary.PHP_EOL;

?>