title: How to downgrade php from 5.6 to 5.5 on Fedora 21
body: <p>I need to do the subject because I'm developing with the team on PHP 5.5, but my current Fedora version contains PHP 5.6.</p>
  
  <p>I've found a Remi's repo contining <a href="http://pkgs.org/fedora-21/remi-x86_64/php55-2.1-1.fc21.remi.x86_64.rpm.html" rel="nofollow">PHP 5.5 for FC-21</a>, installed it as described in "Install Howto" section. But I cannot run the Apache to use with PHP v.5.5. Please suggest what I can do to have desired?</p>