Base64File.php

<?php
namespace Optc\HttpFoundation\File;

use Symfony\Component\HttpFoundation\File\File;

/**
 * File created from a base64 encoded string.
 * 
 * @author maryisdead
 */
class Base64File
{
    /**
     * Constructs a new file from the given base64 encoded string.
     * 
     * @param string $path       Path where file should be placed. Do NOT add a file extension! This will be determined automatically.
     * @param string $base64Data Base64 encoded string, a data URI is also possible
     */
    public static function create($path, $base64Data)
    {
        // Remove meta data string, if it's a data URI.
        $dataUrl = preg_replace('/^.*;base64,/', '', $base64Data);
        
        $file = fopen($path, 'w');
        stream_filter_append($file, 'convert.base64-decode');
        fwrite($file, $base64Data);
        $meta_data = stream_get_meta_data($file);
        $path = $meta_data['uri'];
        fclose($file);
        
        $file = new File($path);
        
        // Append file extension, if possible.
        $extension = $file->guessExtension();
        if ($extension) {
            $file = $file->move(dirname($path), basename($path).'.'.$extension);
        }
        
        return $file;
    }
}