Data URI

Asset.php

<?php

public static function data_uri($data, $mime)
{
    return 'data:'.$mime.';base64,'.base64_encode($data);
}

public static function data_img($filename)
{
    if ( ! static::find_file($filename, static::$_folders['img']))
    {
         throw new \Fuel_Exception('Could not find asset: '.$filename);
    }
    $info = getimagesize($file);

    return static::data_uri(file_get_contents($filename), image_type_to_mime_type($info[2]));
}

public static function data_css($data)
{
    if ($file = static::find_file($data, static::$_folders['img']))
    {
         $data = file_get_contents($file);
    }

    return static::data_uri($data, 'text/css');
}

public static function data_js($data)
{
    if ($file = static::find_file($filename, static::$_folders['img']))
    {
         $data = file_get_contents($file);
    }

    return static::data_uri($data, 'text/javascript');
}