Bill Zeller. Author: Matt Mullenweg Author URI: http://photomatt.net/ */ $http = false; // This controls whether we send etag and last-modified headers or not define(CACHE_PATH, trailingslashit( ABSPATH . 'wp-content/staticize-cache' ) ); update_option('gzipcompression', 0); if ( !file_exists(CACHE_PATH) ) : if ( is_writable( dirname(CACHE_PATH) ) ) $dir = mkdir( CACHE_PATH, 0777); else die("Your cache directory (" . CACHE_PATH . ") needs to be writable for this plugin to work. Double-check it. Deactivate the Staticize Reloaded plugin."); endif; // Array of files that have 'wp-' but should still be cached $acceptableFiles = array( 'wp-atom.php', 'wp-comments-popup.php', 'wp-commentsrss2.php', 'wp-links-opml.php', 'wp-locations.php', 'wp-rdf.php', 'wp-rss.php', 'wp-rss2.php' ); $staticFileName = ''; function StaticizeInit() { global $staticFileName, $acceptableFiles, $timestart, $http; $key = $_SERVER['REQUEST_URI'] . join($_COOKIE, ','); $script = basename($_SERVER['SCRIPT_NAME']); if( strstr($_SERVER['SCRIPT_NAME'], 'wp-') && !in_array($script, $acceptableFiles) ) return; $staticFileName = md5($key) . '.php'; if( is_file(CACHE_PATH . $staticFileName) ) { if ($http) staticize_header(); include(CACHE_PATH . $staticFileName); $timetotal = staticize_timer(); echo "\n"; exit; } ob_start('StaticizeCallback'); register_shutdown_function('StaticizeEnd'); } function StaticizeCallback($buffer) { global $staticFileName, $timestart; $timetotal = staticize_timer(); if ($timetotal < 0.05) : // Too fast to cache $buffer .= "\n"; return $buffer; endif; $fr = fopen(CACHE_PATH . $staticFileName, 'a'); chmod(CACHE_PATH . $staticFileName, 0666); if (!$fr) $buffer = "Couldn't write to: " . CACHE_PATH . $staticFileName; $buffer .= "\n"; $return = $buffer; $buffer = preg_replace('|(.*?)|is', '', $buffer); $buffer = preg_replace('|(.*?)|is', '', $buffer); $buffer = str_replace('', $buffer); fwrite($fr, $buffer); fclose($fr); return $return; } function StaticizeClean() { // TODO: only touch files that have been changed using post ID if ( $handle = opendir( CACHE_PATH ) ) : while ( false !== ( $file = readdir($handle) ) ) : if ( '.' != $file && '..' != $file ) unlink(CACHE_PATH . $file); endwhile; endif; closedir($handle); } function StaticizeEnd() { ob_end_clean(); } function postChange($id) { StaticizeClean(); return $id; } function staticize_timer() { global $timestart; $mtime = microtime(); $mtime = explode(' ', $mtime); $timeend = $mtime[1] + $mtime[0]; return number_format($timeend - $timestart, 3); } function staticize_header() { $file_touched = filemtime(CACHE_PATH . $staticFileName); $wp_last_modified = gmdate('D, d M Y H:i:s', $file_touched) . ' GMT'; $wp_etag = '"'.md5($wp_last_modified).'"'; header('Last-Modified: '.$wp_last_modified); header('ETag: '.$wp_etag); header ('X-Pingback: ' . get_settings('siteurl') . '/xmlrpc.php'); header ('X-Staticize: ' . staticize_timer() ); // Support for Conditional GET if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) $client_last_modified = $_SERVER['HTTP_IF_MODIFIED_SINCE']; else $client_last_modified = false; if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']); else $client_etag = false; if ( ($client_last_modified && $client_etag) ? (($client_last_modified == $wp_last_modified) && ($client_etag == $wp_etag)) : (($client_last_modified == $wp_last_modified) || ($client_etag == $wp_etag)) ) { if ( preg_match('/cgi/',php_sapi_name()) ) { header('HTTP/1.1 304 Not Modified'); echo "\r\n\r\n"; exit; } else { header('HTTP/1.x 304 Not Modified'); exit; } } } if(function_exists('add_action')) { StaticizeInit(); add_action('publish_post', 'postChange', 0); add_action('edit_post', 'postChange', 0); add_action('delete_post', 'postChange', 0); add_action('comment_post', 'postChange', 0); add_action('trackback_post', 'postChange', 0); add_action('pingback_post', 'postChange', 0); add_action('edit_comment', 'postChange', 0); add_action('delete_comment', 'postChange', 0); add_action('template_save', 'postChange', 0); add_action('switch_theme', 'postChange', 0); } if ( isset($_GET['staticize-flush']) ) { StaticizeClean(); } ?>