Image to inline data script

image_to_data.php

#!/usr/bin/env php
<?php
function data_uri($file, $mime)
{
  $contents = file_get_contents($file);
  $base64   = base64_encode($contents);
  return ('data:' . $mime . ';base64,' . $base64);
}

$url = $mime = false;

if(isset($argv[1])) {
    $url = $argv[1];
}
if(isset($argv[2])) {
    $mime = $argv[2];
}

if(!$url) die('gimme url sucker!');
if(!$mime) $mime = 'image/png';

echo data_uri($url, $mime)."\n";