title: How to convert .wav to .mp3 file in php
body: <p>I am currently developing a website using the CodeIgniter framework and in one of the Process I need to download a .wav music file and convert it to .mp3 file.
  All the coding needs to be done only in PHP and I cannot use Ruby or java to do so.</p>
  
  <p>And I am currently hosting on a shared env i.e. Dreamhost.</p>
  
  <p>So please let me know how to work out this problem.</p>