From 31759cb3b3090c1b9d68ac54f2d2622584003563 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Mon, 15 Dec 2008 08:37:09 +0000
Subject: Delete trunk/kohana and trunk/modules/unit_test in preparation to
 refresh them properly from the vendor branch.

---
 kohana/helpers/expires.php | 110 ---------------------------------------------
 1 file changed, 110 deletions(-)
 delete mode 100644 kohana/helpers/expires.php

(limited to 'kohana/helpers/expires.php')

diff --git a/kohana/helpers/expires.php b/kohana/helpers/expires.php
deleted file mode 100644
index 72bfd79b..00000000
--- a/kohana/helpers/expires.php
+++ /dev/null
@@ -1,110 +0,0 @@
-<?php defined('SYSPATH') or die('No direct script access.');
-/**
- * Controls headers that effect client caching of pages
- *
- * $Id$
- *
- * @package    Core
- * @author     Kohana Team
- * @copyright  (c) 2007-2008 Kohana Team
- * @license    http://kohanaphp.com/license.html
- */
-class expires_Core {
-
-	/**
-	 * Sets the amount of time before a page expires
-	 *
-	 * @param  integer Seconds before the page expires 
-	 * @return boolean
-	 */
-	public static function set($seconds = 60)
-	{
-		if (expires::check_headers())
-		{
-			$now = $expires = time();
-
-			// Set the expiration timestamp
-			$expires += $seconds;
-
-			// Send headers
-			header('Last-Modified: '.gmdate('D, d M Y H:i:s T', $now));
-			header('Expires: '.gmdate('D, d M Y H:i:s T', $expires));
-			header('Cache-Control: max-age='.$seconds);
-
-			return $expires;
-		}
-
-		return FALSE;
-	}
-
-	/**
-	 * Checks to see if a page should be updated or send Not Modified status
-	 *
-	 * @param   integer  Seconds added to the modified time received to calculate what should be sent
-	 * @return  bool     FALSE when the request needs to be updated
-	 */
-	public static function check($seconds = 60)
-	{
-		if ( ! empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) AND expires::check_headers())
-		{
-			if (($strpos = strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], ';')) !== FALSE)
-			{
-				// IE6 and perhaps other IE versions send length too, compensate here
-				$mod_time = substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, $strpos);
-			}
-			else
-			{
-				$mod_time = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
-			}
-
-			$mod_time = strtotime($mod_time);
-			$mod_time_diff = $mod_time + $seconds - time();
-
-			if ($mod_time_diff > 0)
-			{
-				// Re-send headers
-				header('Last-Modified: '.gmdate('D, d M Y H:i:s T', $mod_time));
-				header('Expires: '.gmdate('D, d M Y H:i:s T', time() + $mod_time_diff));
-				header('Cache-Control: max-age='.$mod_time_diff);
-				header('Status: 304 Not Modified', TRUE, 304);
-
-				// Prevent any output
-				Event::add('system.display', array('expires', 'prevent_output'));
-
-				// Exit to prevent other output
-				exit;
-			}
-		}
-
-		return FALSE;
-	}
-
-	/**
-	 * Check headers already created to not step on download or Img_lib's feet
-	 *
-	 * @return boolean
-	 */
-	public static function check_headers()
-	{
-		foreach (headers_list() as $header)
-		{
-			if (stripos($header, 'Last-Modified:') === 0 OR stripos($header, 'Expires:') === 0)
-			{
-				return FALSE;
-			}
-		}
-
-		return TRUE;
-	}
-
-	/**
-	 * Prevent any output from being displayed. Executed during system.display.
-	 *
-	 * @return  void
-	 */
-	public static function prevent_output()
-	{
-		Kohana::$output = '';
-	}
-
-} // End expires
\ No newline at end of file
-- 
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