Symfony not installed dependent _php Fatal Error:require (): Failed opening required

$ PHP bin/console server:runphp warning:require (D:\home\workspace\pd\app/.. /vendor/autoload.php): Failed to open stream:no suchfileor directoryinchD:\home\workspace\pinda\pinda\app\autoload.php on line7PHP Fatal error:require (): Failed opening required'D:\home\workspace\pd\app/. /vendor/autoload.php'(include_path='.;D: \ php-5.5. --nts-win32-vc11-X64\pear') in D:\home\workspace\pd\app\autoload.php on line 7

This error is due to no installation dependencies;

Perform

Install

If there is no composer, then you need to install composer,

Execute command:

$curl-ss https://Getcomposer.org/installer | php

All right

The process is about more than 10 minutes.

Ok!!!!!!!!!!!!!

Symfony not installed dependent _php Fatal Error:require (): Failed opening required