encode assets to be loaded inline as dataURIs

base64encode.php

<?php
function base64DataUri($sFile)
{                   

    // Switch to right MIME-type
    $sExt = strtolower(substr(strrchr($sFile, '.'), 1));

    switch($sExt)
    {
        case 'gif':
        case 'jpg':
        case 'png':
            $sMimeType = 'image/'. $sExt;
        break;

        case 'ico':
            $sMimeType = 'image/x-icon';
        break;

        case 'eot':
            $sMimeType = 'application/vnd.ms-fontobject';
        break;

        case 'otf':
        case 'ttf':
        case 'woff':
            $sMimeType = 'application/octet-stream';
        break;

        default:
            exit('Invalid extension file!');
    }

    $sBase64 = base64_encode(file_get_contents($sFile));
    return "data:$sMimeType;base64,$sBase64";
}

$file = 'static/font/overpass_bold-webfont.woff';
print base64DataUri($file);

?>