base 64

<?php
// Get parameters
$arguments = $_SERVER['argv'];
array_shift($arguments);
if (empty($arguments)) {
    die("File path is undefined\n");
}
$filePath = array_shift($arguments);
if (!is_file($filePath)) {
    die("File not found : $filePath\n");
}

$image = file_get_contents($filePath);
$base64 = base64_encode($image); 
echo 'data:image/png;base64,'.$base64."\n";