Difference between revisions of "JResponse/allowCache"
From Joomla! Documentation
< API15:JResponse
(New page: ===Description===
Set/get cachable state for the response
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Revision as of 13:45, 12 May 2013
The "API15" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.
Description[edit]
Set/get cachable state for the response
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Syntax[edit]
allowCache($allow=null)| Parameter Name | Default Value | Description |
|---|---|---|
| $allow | null | $allow |
Returns[edit]
boolean True of browser caching should be allowed
Defined in[edit]
libraries/joomla/environment/response.php
Importing[edit]
jimport( 'joomla.environment.response' );Source Body[edit]
function allowCache($allow = null)
{
if (!is_null($allow)) {
$GLOBALS['_JRESPONSE']->cachable = (bool) $allow;
}
return $GLOBALS['_JRESPONSE']->cachable;
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Examples[edit]
<CodeExamplesForm />
Override Default Headers
===Description===
Set/get cachable state for the response.
Syntax[edit]
static allowCache($allow=null)| Parameter Name | Default Value | Description |
|---|---|---|
| $allow | null | $allow |
Returns[edit]
boolean True of browser caching should be allowed
Defined in[edit]
libraries/joomla/environment/response.php
Importing[edit]
jimport( 'joomla.environment.response' );Source Body[edit]
public static function allowCache($allow = null)
{
if (!is_null($allow)) {
$GLOBALS['_JRESPONSE']->cachable = (bool) $allow;
}
return $GLOBALS['_JRESPONSE']->cachable;
}
Examples[edit]
Code Examples[edit]
Override Default Headers
From: http://groups.google.com/group/joomla-dev-general/browse_thread/thread/6ef5fe7eba4efc26
How can I override the default joomla headers from within a custom component? I would like to change
Expires: Mon, 1 Jan 2001 00:00:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-
check=0
Pragma: no-cacheto
Expires: ~in five hours~
Cache-Control: public
Pragma: publicJResponse::allowCache(true) did the trick. If it helps anyone else, here is the code that worked for me.
JResponse::allowCache(true);
JResponse::setHeader('Pragma', 'public',true);
JResponse::setHeader('Cache-Control','public',true);
JResponse::setHeader('Expires', gmdate('D, d M Y H:i:s', time()
+(60*60*5)) . ' GMT',true);
From: http://groups.google.com/group/joomla-dev-general/browse_thread/thread/6ef5fe7eba4efc26
How can I override the default joomla headers from within a custom component? I would like to change
to
JResponse::allowCache(true) did the trick. If it helps anyone else, here is the code that worked for me.
JResponse::allowCache(true); JResponse::setHeader('Pragma', 'public',true); JResponse::setHeader('Cache-Control','public',true); JResponse::setHeader('Expires', gmdate('D, d M Y H:i:s', time() +(60*60*5)) . ' GMT',true);