title: Why is the composer command not found?
body: <p>Why is the composer instruction from README, is failing when i apply as below?</p>
  
  <p><a href="https://i.stack.imgur.com/anZfc.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/anZfc.png" alt="enter image description here"></a></p>
  
  <p>Tried as below but failing:</p>
  
  <pre><code># uname -a
  Linux signal 3.10.0-123.8.1.el7.x86_64 #1 SMP Mon Sep 22 19:06:58 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  
  # php --version
  PHP 5.4.16 (cli) (built: Oct 31 2014 12:59:36) 
  Copyright (c) 1997-2013 The PHP Group
  Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
  
  # ls
  LICENSE    bootstrap.php  detect.php  index.php
  README.md  composer.json  hooks       templates
  
  # composer create-project whichbrowser/server .
  -bash: composer: command not found
  
  # php composer create-project whichbrowser/server .
  Could not open input file: composer
  </code></pre>
  
  <p><strong>EDIT:</strong></p>
  
  <pre><code>[root@signal wb]# php -r "if (hash_file('SHA384', 'composer-setup.php') === 'e115a8dc7871f15d853148a7fbac7da27d6c0030b848d9b3dc09e2a0388afed865e6a3d6b3c0fad45c48e2b5fc1196ae') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
  Installer verified
  [root@signal wb]# php composer-setup.php
  All settings correct for using Composer
  Downloading 1.2.1...
  
  Composer successfully installed to: /var/www/html/sip-phone/tls/website/wb/composer.phar
  Use it: php composer.phar
  [root@signal wb]# php -r "unlink('composer-setup.php');"    
  [root@signal wb]# php composer.phar create-project whichbrowser/server .
  Do not run Composer as root/super user! See https://getcomposer.org/root for details
  Installing whichbrowser/server (v2.0.12)
  
  
    [InvalidArgumentException]          
    Project directory ./ is not empty.  
  
  
  create-project [-s|--stability STABILITY] [--prefer-source] [--prefer-dist] [--repository REPOSITORY] [--repository-url REPOSITORY-URL] [--dev] [--no-dev] [--no-custom-installers] [--no-scripts] [--no-progress] [--no-secure-http] [--keep-vcs] [--no-install] [--ignore-platform-reqs] [--] [&lt;package&gt;] [&lt;directory&gt;] [&lt;version&gt;]
  
  [root@signal wb]# 
  </code></pre>