MediaWiki  1.23.2
clearCacheStats.php
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1 <?php
24 require_once __DIR__ . '/Maintenance.php';
25 
32 
33  public function __construct() {
34  parent::__construct();
35  $this->mDescription = "Remove all statistics tracking from the cache";
36  }
37 
38  public function execute() {
39  global $wgLocalDatabases, $wgMemc;
40  foreach ( $wgLocalDatabases as $db ) {
41  $wgMemc->delete( "$db:stats:request_with_session" );
42  $wgMemc->delete( "$db:stats:request_without_session" );
43  $wgMemc->delete( "$db:stats:pcache_hit" );
44  $wgMemc->delete( "$db:stats:pcache_miss_expired" );
45  $wgMemc->delete( "$db:stats:pcache_miss_absent" );
46  $wgMemc->delete( "$db:stats:pcache_miss_stub" );
47  $wgMemc->delete( "$db:stats:image_cache_hit" );
48  $wgMemc->delete( "$db:stats:image_cache_miss" );
49  $wgMemc->delete( "$db:stats:image_cache_update" );
50  $wgMemc->delete( "$db:stats:diff_cache_hit" );
51  $wgMemc->delete( "$db:stats:diff_cache_miss" );
52  $wgMemc->delete( "$db:stats:diff_uncacheable" );
53  $wgMemc->delete( "$db:stats:job-insert" );
54  $wgMemc->delete( "$db:stats:job-pop" );
55  }
56  }
57 }
58 
59 $maintClass = "ClearCacheStats";
60 require_once RUN_MAINTENANCE_IF_MAIN;
php
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Definition: skin.txt:62
$wgMemc
globals will be eliminated from MediaWiki replaced by an application object which would be passed to constructors Whether that would be an convenient solution remains to be but certainly PHP makes such object oriented programming models easier than they were in previous versions For the time being MediaWiki programmers will have to work in an environment with some global context At the time of globals were initialised on startup by MediaWiki of these were configuration which are documented in DefaultSettings php There is no comprehensive documentation for the remaining however some of the most important ones are listed below They are typically initialised either in index php or in Setup php For a description of the see design txt $wgTitle Title object created from the request URL $wgOut OutputPage object for HTTP response $wgUser User object for the user associated with the current request $wgLang Language object selected by user preferences $wgContLang Language object associated with the wiki being viewed $wgParser Parser object Parser extensions register their hooks here $wgRequest WebRequest to get request data $wgMemc
Definition: globals.txt:25
ClearCacheStats
Maintenance script to remove all statistics tracking from the cache.
Definition: clearCacheStats.php:31
RUN_MAINTENANCE_IF_MAIN
require_once RUN_MAINTENANCE_IF_MAIN
Definition: maintenance.txt:50
Maintenance
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
Definition: maintenance.txt:39
$maintClass
$maintClass
Definition: clearCacheStats.php:59
global
when a variable name is used in a it is silently declared as a new masking the global
Definition: design.txt:93
ClearCacheStats\execute
execute()
Do the actual work.
Definition: clearCacheStats.php:38
as
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Definition: distributors.txt:9
ClearCacheStats\__construct
__construct()
Default constructor.
Definition: clearCacheStats.php:33