title: Use PHP to delete lines from a .txt file based on time
body: <p>Im working on a small project.</p>
  
  <p>What Im trying to Do, is Have a PHP File, Delete Lines from a .txt file based on time</p>
  
  <p>The .txt file will be formatted like this</p>
  
  <pre><code>Content | Time (Unix Time)
  Content | Time (Unix Time)
  </code></pre>
  
  <p>Everytime the php file is executed i want it to delete everyline thats = or less than the current Time</p>
  
  <p>Ive tried using google, and Have had no luck, I am pulling the time from one source. so that wont be a problem, Just the PHP Part.</p>
  
  <p>Is there a snippet? or is this going to be difficult.</p>