Move pieces related to ParserOutput expiry into a new CacheTime class.
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cc9f81ed94
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2 changed files with 92 additions and 80 deletions
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@ -27,6 +27,7 @@ $wgAutoloadLocalClasses = array(
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'BagOStuff' => 'includes/BagOStuff.php',
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'Block' => 'includes/Block.php',
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'CacheDependency' => 'includes/CacheDependency.php',
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'CacheTime' => 'includes/parser/ParserOutput.php',
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'Category' => 'includes/Category.php',
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'Categoryfinder' => 'includes/Categoryfinder.php',
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'CategoryPage' => 'includes/CategoryPage.php',
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@ -3,16 +3,102 @@
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* @todo document
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* @ingroup Parser
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*/
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class ParserOutput
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class CacheTime {
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var $mVersion = Parser::VERSION, # Compatibility check
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$mCacheTime = '', # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
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$mCacheExpiry = null, # Seconds after which the object should expire, use 0 for uncachable. Used in ParserCache.
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$mContainsOldMagic; # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
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function getCacheTime() { return $this->mCacheTime; }
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function containsOldMagic() { return $this->mContainsOldMagic; }
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function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
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/**
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* setCacheTime() sets the timestamp expressing when the page has been rendered.
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* This doesn not control expiry, see updateCacheExpiry() for that!
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*/
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function setCacheTime( $t ) { return wfSetVar( $this->mCacheTime, $t ); }
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/**
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* Sets the number of seconds after which this object should expire.
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* This value is used with the ParserCache.
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* If called with a value greater than the value provided at any previous call,
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* the new call has no effect. The value returned by getCacheExpiry is smaller
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* or equal to the smallest number that was provided as an argument to
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* updateCacheExpiry().
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*/
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function updateCacheExpiry( $seconds ) {
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$seconds = (int)$seconds;
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if ( $this->mCacheExpiry === null || $this->mCacheExpiry > $seconds )
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$this->mCacheExpiry = $seconds;
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// hack: set old-style marker for uncacheable entries.
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if ( $this->mCacheExpiry !== null && $this->mCacheExpiry <= 0 )
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$this->mCacheTime = -1;
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}
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/**
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* Returns the number of seconds after which this object should expire.
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* This method is used by ParserCache to determine how long the ParserOutput can be cached.
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* The timestamp of expiry can be calculated by adding getCacheExpiry() to getCacheTime().
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* The value returned by getCacheExpiry is smaller or equal to the smallest number
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* that was provided to a call of updateCacheExpiry(), and smaller or equal to the
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* value of $wgParserCacheExpireTime.
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*/
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function getCacheExpiry() {
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global $wgParserCacheExpireTime;
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if ( $this->mCacheTime < 0 ) return 0; // old-style marker for "not cachable"
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$expire = $this->mCacheExpiry;
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if ( $expire === null )
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$expire = $wgParserCacheExpireTime;
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else
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$expire = min( $expire, $wgParserCacheExpireTime );
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if( $this->containsOldMagic() ) { //compatibility hack
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$expire = min( $expire, 3600 ); # 1 hour
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}
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if ( $expire <= 0 ) return 0; // not cachable
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else return $expire;
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}
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function isCacheable() {
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return $this->getCacheExpiry() > 0;
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}
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/**
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* Return true if this cached output object predates the global or
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* per-article cache invalidation timestamps, or if it comes from
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* an incompatible older version.
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*
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* @param $touched String: the affected article's last touched timestamp
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* @return Boolean
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*/
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public function expired( $touched ) {
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global $wgCacheEpoch;
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return !$this->isCacheable() || // parser says it's uncacheable
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$this->getCacheTime() < $touched ||
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$this->getCacheTime() <= $wgCacheEpoch ||
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$this->getCacheTime() < wfTimestamp( TS_MW, time() - $this->getCacheExpiry() ) || // expiry period has passed
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!isset( $this->mVersion ) ||
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version_compare( $this->mVersion, Parser::VERSION, "lt" );
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}
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}
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class ParserOutput extends CacheTime
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{
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var $mText, # The output text
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$mLanguageLinks, # List of the full text of language links, in the order they appear
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$mCategories, # Map of category names to sort keys
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$mContainsOldMagic, # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
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$mTitleText, # title text of the chosen language variant
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$mCacheTime = '', # Time when this object was generated, or -1 for uncacheable. Used in ParserCache.
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$mCacheExpiry = null, # Seconds after which the object should expire, use 0 for uncachable. Used in ParserCache.
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$mVersion = Parser::VERSION, # Compatibility check
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$mLinks = array(), # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
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$mTemplates = array(), # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
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$mTemplateIds = array(), # 2-D map of NS/DBK to rev ID for the template references. ID=zero for broken.
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@ -45,7 +131,6 @@ class ParserOutput
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function getInterwikiLinks() { return $this->mInterwikiLinks; }
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function getCategoryLinks() { return array_keys( $this->mCategories ); }
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function &getCategories() { return $this->mCategories; }
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function getCacheTime() { return $this->mCacheTime; }
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function getTitleText() { return $this->mTitleText; }
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function getSections() { return $this->mSections; }
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function &getLinks() { return $this->mLinks; }
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@ -60,71 +145,15 @@ class ParserOutput
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function getIndexPolicy() { return $this->mIndexPolicy; }
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function getTOCHTML() { return $this->mTOCHTML; }
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function containsOldMagic() { return $this->mContainsOldMagic; }
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function setText( $text ) { return wfSetVar( $this->mText, $text ); }
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function setLanguageLinks( $ll ) { return wfSetVar( $this->mLanguageLinks, $ll ); }
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function setCategoryLinks( $cl ) { return wfSetVar( $this->mCategories, $cl ); }
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function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
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/** setCacheTime() sets the timestamp expressing when the page has been rendered.
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* This doesn not control expiry, see updateCacheExpiry() for that!
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*/
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function setCacheTime( $t ) { return wfSetVar( $this->mCacheTime, $t ); }
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function setTitleText( $t ) { return wfSetVar( $this->mTitleText, $t ); }
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function setSections( $toc ) { return wfSetVar( $this->mSections, $toc ); }
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function setIndexPolicy( $policy ) { return wfSetVar( $this->mIndexPolicy, $policy ); }
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function setTOCHTML( $tochtml ) { return wfSetVar( $this->mTOCHTML, $tochtml ); }
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/** Sets the number of seconds after which this object should expire.
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* This value is used with the ParserCache.
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* If called with a value greater than the value provided at any previous call,
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* the new call has no effect. The value returned by getCacheExpiry is smaller
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* or equal to the smallest number that was provided as an argument to
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* updateCacheExpiry().
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*/
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function updateCacheExpiry( $seconds ) {
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$seconds = (int)$seconds;
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if ( $this->mCacheExpiry === null || $this->mCacheExpiry > $seconds )
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$this->mCacheExpiry = $seconds;
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// hack: set old-style marker for uncacheable entries.
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if ( $this->mCacheExpiry !== null && $this->mCacheExpiry <= 0 )
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$this->mCacheTime = -1;
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}
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/** Returns the number of seconds after which this object should expire.
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* This method is used by ParserCache to determine how long the ParserOutput can be cached.
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* The timestamp of expiry can be calculated by adding getCacheExpiry() to getCacheTime().
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* The value returned by getCacheExpiry is smaller or equal to the smallest number
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* that was provided to a call of updateCacheExpiry(), and smaller or equal to the
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* value of $wgParserCacheExpireTime.
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*/
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function getCacheExpiry() {
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global $wgParserCacheExpireTime;
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if ( $this->mCacheTime < 0 ) return 0; // old-style marker for "not cachable"
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$expire = $this->mCacheExpiry;
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if ( $expire === null )
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$expire = $wgParserCacheExpireTime;
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else
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$expire = min( $expire, $wgParserCacheExpireTime );
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if( $this->containsOldMagic() ) { //compatibility hack
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$expire = min( $expire, 3600 ); # 1 hour
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}
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if ( $expire <= 0 ) return 0; // not cachable
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else return $expire;
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}
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function isCacheable() {
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return $this->getCacheExpiry() > 0;
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}
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function addCategory( $c, $sort ) { $this->mCategories[$c] = $sort; }
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function addLanguageLink( $t ) { $this->mLanguageLinks[] = $t; }
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function addWarning( $s ) { $this->mWarnings[$s] = 1; }
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@ -219,24 +248,6 @@ class ParserOutput
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$this->mInterwikiLinks[$prefix][$title->getDBkey()] = 1;
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}
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/**
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* Return true if this cached output object predates the global or
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* per-article cache invalidation timestamps, or if it comes from
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* an incompatible older version.
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*
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* @param $touched String: the affected article's last touched timestamp
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* @return Boolean
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*/
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public function expired( $touched ) {
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global $wgCacheEpoch;
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return !$this->isCacheable() || // parser says it's uncacheable
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$this->getCacheTime() < $touched ||
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$this->getCacheTime() <= $wgCacheEpoch ||
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$this->getCacheTime() < wfTimestamp( TS_MW, time() - $this->getCacheExpiry() ) || // expiry period has passed
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!isset( $this->mVersion ) ||
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version_compare( $this->mVersion, Parser::VERSION, "lt" );
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}
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/**
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* Add some text to the <head>.
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* If $tag is set, the section with that tag will only be included once
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