src/app/code/community/Fontis/ComposerAutoloader/Helper/Data.php
public function getVendorDirectoryPath()
    {
        $path = (string) Mage::getConfig()->getNode('global/composer_autoloader/path');
        if (!$path) {
            $path = self::DEFAULT_PATH;
        }

        $path = str_replace('/', DS, $path);
        $path = str_replace('{{basedir}}', Mage::getBaseDir(), $path);
        $path = str_replace('{{libdir}}', Mage::getBaseDir('lib'), $path);
        $path = rtrim($path, DS);
        return realpath($path);
    }
public function getVendorDirectoryPath()
    {
        $path = (string) Mage::getConfig()->getNode('global/composer_autoloader/path');
        if (!$path) {
            $path = self::DEFAULT_PATH;
        }

        $path = str_replace('/', DS, $path);
        $path = str_replace('{{basedir}}', Mage::getBaseDir(), $path);
        $path = str_replace('{{libdir}}', Mage::getBaseDir('lib'), $path);
        $path = rtrim($path, DS);
        return realpath($path);
    }
public function getVendorDirectoryPath ( ) { $ path = ( string ) Mage :: getConfig ( ) -> getNode ( 'global/composer_autoloader/path' ) ; if ( ! $ path ) { $ path = self :: DEFAULT_PATH ; } $ path = str_replace ( '/' , DS , $ path ) ; $ path = str_replace ( '{{basedir}}' , Mage :: getBaseDir ( ) , $ path ) ; $ path = str_replace ( '{{libdir}}' , Mage :: getBaseDir ( 'lib' ) , $ path ) ; $ path = rtrim ( $ path , DS ) ; return realpath ( $ path ) ; }
The location of the vendor directory on the machine the site is running on.
It always comes without a trailing slash.

@return string
The location of the vendor directory on the machine the site is running on . It always comes without a trailing slash .