title: Can't call php artisan
body: <p>I'm setting up my Laravel environment, having installed composer and laravel. I can't call <code>php artisan</code> </p>
  
  <p>I've tried <strong>installing</strong> and <strong>updating</strong>, however I'm still being returned errors. </p>
  
  <blockquote>
    <p>C:\Users\Pat\personal> php artisan PHP Warning: 
    require(C:\Users\Pat\personal/vendor/autoload.php): failed to open
    stream: No such file or directory in C:\Users\Pat\personal\artisan on
    line 18</p>
    
    <p>Warning: require(C:\Users\Pat\personal/vendor/autoload.php): failed to
    open stream: No such file or directory in
    C:\Users\Pat\personal\artisan on line 18 PHP Fatal error:  require():
    Failed opening required 'C:\Users\Pat\personal/vendor/autoload.php'
    (include_path='C:\xampp\php\PEAR') in C:\Users\Pat\personal\artisan on
    line 18</p>
    
    <p>Fatal error: require(): Failed opening required
    'C:\Users\Pat\personal/vendor/autoload.php'
    (include_path='C:\xampp\php\PEAR') in C:\Users\Pat\personal\artisan on
    line 18 PS C:\Users\Pat\personal></p>
  </blockquote>