title: how to fix error laravel 5.2 "failed to open stream: No such file or directory" without composer
body: <p>I've got this error in my laravel 5.2 project who hosted in debian linux</p>
  
  <pre><code>Warning: require_once(/home/u706561288/public_html/sap/vendor/composer/autoload_real.php): failed to open stream: No such file or directory in 
  /home/u706561288/public_html/sap/vendor/autoload.php on line 5
  
  Fatal error: require_once(): Failed opening required '/home/u706561288/public_html/sap/vendor/composer/autoload_real.php' (include_path='.:/opt/alt/php70/usr/share/pear') in 
  /home/u706561288/public_html/sap/vendor/autoload.php on line 5
  </code></pre>
  
  <p>so many forum like stackoverflow tell me to using php artisan "composer update" but
  unfortunately my hosting package not available to composer instalation
  please tell me  how to fix this problem </p>