title: Psyshell for php 5.6
body: <p>I've been using psysh on php 5.6. However, until recently I'm seeing an error that it requires php 7 or greater. </p>
  
  <p>Is there a version of psysh that will work for php versions below 7?</p>
  
  <pre><code> ~$ psysh
  
  Box Requirements Checker
  ========================
  
  &gt; Using PHP 5.6.37-1+ubuntu16.04.1+deb.sury.org+1
  &gt; PHP is using the following php.ini file:
    /etc/php/5.6/cli/php.ini
  
  &gt; Checking Box requirements:
    E.
  
  
   [ERROR] Your system is not ready to run the application.                       
  
  
  Fix the following mandatory requirements:
  =========================================
  
   * The application requires the version "&gt;=7.0.0" or greater.
  </code></pre>