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Improve the setCacheControl() method

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This commit is contained in:
Kijin Sung 2015-07-12 14:27:56 +09:00
parent 0bbbc88377
commit ff45072103
1 changed files with 16 additions and 10 deletions
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26
classes/context/Context.class.php
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@ -354,11 +354,13 @@ class Context
if($session_id !== NULL)
{
$this->isSessionStarted = TRUE;
$this->setCacheControl(0, false);
session_start();
}
else
{
$this->isSessionStarted = FALSE;
$this->setCacheControl(-1, true);
$_SESSION = array();
}
@ -481,18 +483,22 @@ class Context
*
* @return void
*/
function setCacheControl($public = 'public', $nocache = false)
function setCacheControl($ttl = 0, $public = true)
{
is_a($this, 'Context') ? $self = $this : $self = self::getInstance();
$public = !empty($public) ? $public.', ' : '';
header("Cache-Control: ".$public."must-revalidate, post-check=0, pre-check=0");
if ($nocache)
if($ttl == 0)
{
header("Cache-Control: no-store, no-cache, must-revalidate", false);
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Pragma: no-cache");
header('Cache-Control: ' . ($public ? 'public, ' : 'private, ') . 'must-revalidate, post-check=0, pre-check=0, no-store, no-cache');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
}
elseif($ttl == -1)
{
header('Cache-Control: ' . ($public ? 'public, ' : 'private, ') . 'must-revalidate, post-check=0, pre-check=0');
}
else
{
header('Cache-Control: ' . ($public ? 'public, ' : 'private, ') . 'must-revalidate, max-age=' . (int)$ttl);
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + (int)$ttl) . ' GMT');
}
}