title: Convert wordpress post/page title & tags to meta keywords without plugin
body: <p>This was easier for me when I was on blogger, would like to convert post title to meta keywords automatically on without plugins.</p>
  
  <p><em>E.g post title</em>: This is my title
  <em>Post tags</em>: my title, mytitle</p>
  
  <p><em>keywords outcome</em>: 'This is my title, my title, mytitle' </p>
  
  <blockquote>
    <p>Any help would be appreciated I'm not a coder </p>
  </blockquote>