jkuchar/BigFileTools

<?php

namespace BigFileTools\Driver;

use Brick\Math\BigInteger;

class ComDriver implements ISizeDriver
{
    public function __construct()
    {
        if (!class_exists("COM")) {
            throw new PrerequisiteException("ComDriver requires COM extension to be loaded in PHP");
        }
    }

    /**
     * Returns file size by using Windows COM interface
     * @inheritdoc
     * @link http://stackoverflow.com/questions/5501451/php-x86-how-to-get-filesize-of-2gb-file-without-external-program/5502328#5502328
     */
    public function getFileSize($path)
    {
        // Use the Windows COM interface
        $fsobj = new \COM('Scripting.FileSystemObject');
        if (dirname($path) == '.')
            $this->path = ((substr(getcwd(), -1) == DIRECTORY_SEPARATOR) ? getcwd() . basename($path) : getcwd() . DIRECTORY_SEPARATOR . basename($path));
        $f = $fsobj->GetFile($path);
        return BigInteger::of($f->Size);
    }
}