Cache

Created 2011 March 27. Updated 2011 March 27.

CSS and PHP Link Drop

• Caching css, js, txt files parsed by php (filip 2011 November stackoverflow.com)

  <?php
    $last_modified = date("D, d M Y H:i:s \G\M\T", filemtime("main-shared.css"));
    $expiration = date("D, d M Y H:i:s \G\M\T", strtotime('+1 year'));
    header("Cache-Control: public, no-transform");
    header("Expires: $expiration");
    header("Last-Modified: $last_modified");
    include("main-shared.css");
  ?>
          

  For CSS files add:
  <?php header("Content-type: text/css"); ?>

• Cache Headers for Dynamic CSS (generated via PHP) (Max 2010 March stackoverflow.com) Note about must-revalidate in the answers
• Caching Tutorial for Web Authors and Webmasters (Mark Nottingham 2010 June mnot.net)
• CSS Caching Hack (Stefan Hayden 2006 stefanhayden.com)
• Generating Dynamic CSS with PHP (Douglas Clifton 2005 digital-web.com)
• Intelligent PHP Cache Control (css-tricks.com)
• Test
• javascript - Serving php as css/js: Is it fast enough? What drawbacks are there? - Stack Overflow