MediaWiki
master
ViewAction.php
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<?php
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use
MediaWiki\MediaWikiServices
;
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class
ViewAction
extends
FormlessAction
{
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public
function
getName
() {
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return
'view'
;
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}
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public
function
onView
() {
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return
null
;
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}
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public
function
show
() {
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$config = $this->context->getConfig();
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// Emit deprecated hook warnings.
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// We do this only in the view action so that it reliably shows up in
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// the debug toolbar without unduly impacting the performance of API and
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// ResourceLoader requests.
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MediaWikiServices::getInstance()->getHookContainer()->emitDeprecationWarnings();
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if
(
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$config->get(
'DebugToolbar'
) ==
false
&&
// don't let this get stuck on pages
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$this->getWikiPage()->checkTouched()
// page exists and is not a redirect
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) {
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// Include any redirect in the last-modified calculation
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$redirFromTitle = $this->
getArticle
()->getRedirectedFrom();
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if
( !$redirFromTitle ) {
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$touched = $this->
getWikiPage
()->getTouched();
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} elseif ( $config->get(
'MaxRedirects'
) <= 1 ) {
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$touched = max(
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$this->
getWikiPage
()->getTouched(),
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$redirFromTitle->getTouched()
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);
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}
else
{
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// Don't bother following the chain and getting the max mtime
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$touched =
null
;
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}
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// Send HTTP 304 if the IMS matches or otherwise set expiry/last-modified headers
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if
( $touched && $this->
getOutput
()->checkLastModified( $touched ) ) {
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wfDebug
( __METHOD__ .
": done 304"
);
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return
;
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}
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}
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$this->
getArticle
()->view();
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}
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}
FormlessAction
An action which just does something, without showing a form first.
Definition:
FormlessAction.php:30
MediaWiki\MediaWikiServices
MediaWikiServices is the service locator for the application scope of MediaWiki.
Definition:
MediaWikiServices.php:166
ViewAction\onView
onView()
Show something on GET request.
Definition:
ViewAction.php:36
Action\getArticle
getArticle()
Get a Article object.
Definition:
Action.php:289
wfDebug
wfDebug( $text, $dest='all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
Definition:
GlobalFunctions.php:914
Action\getWikiPage
getWikiPage()
Get a WikiPage object.
Definition:
Action.php:278
ViewAction
An action that views article content.
Definition:
ViewAction.php:30
Action\getOutput
getOutput()
Get the OutputPage being used for this instance.
Definition:
Action.php:239
ViewAction\getName
getName()
Return the name of the action this object responds to.
Definition:
ViewAction.php:32
ViewAction\show
show()
Stable to override.
Definition:
ViewAction.php:40
includes
actions
ViewAction.php
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