MediaWiki REL1_35
LocalisationCacheBulkLoad.php
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1<?php
26
31 private $fileCache = [];
32
38 private $mruLangs = [];
39
43 private $maxLoadedLangs = 10;
44
50 protected function readPHPFile( $fileName, $fileType ) {
51 $serialize = $fileType === 'core';
52 if ( !isset( $this->fileCache[$fileName][$fileType] ) ) {
53 $data = parent::readPHPFile( $fileName, $fileType );
54
55 if ( $serialize ) {
56 $encData = serialize( $data );
57 } else {
58 $encData = $data;
59 }
60
61 $this->fileCache[$fileName][$fileType] = $encData;
62
63 return $data;
64 } elseif ( $serialize ) {
65 return unserialize( $this->fileCache[$fileName][$fileType] );
66 } else {
67 return $this->fileCache[$fileName][$fileType];
68 }
69 }
70
76 public function getItem( $code, $key ) {
77 unset( $this->mruLangs[$code] );
78 $this->mruLangs[$code] = true;
79
80 return parent::getItem( $code, $key );
81 }
82
89 public function getSubitem( $code, $key, $subkey ) {
90 unset( $this->mruLangs[$code] );
91 $this->mruLangs[$code] = true;
92
93 return parent::getSubitem( $code, $key, $subkey );
94 }
95
99 public function recache( $code ) {
100 parent::recache( $code );
101 unset( $this->mruLangs[$code] );
102 $this->mruLangs[$code] = true;
103 $this->trimCache();
104 }
105
109 public function unload( $code ) {
110 unset( $this->mruLangs[$code] );
111 parent::unload( $code );
112 }
113
117 protected function trimCache() {
118 while ( count( $this->data ) > $this->maxLoadedLangs && count( $this->mruLangs ) ) {
119 reset( $this->mruLangs );
120 $code = key( $this->mruLangs );
121 wfDebug( __METHOD__ . ": unloading $code" );
122 $this->unload( $code );
123 }
124 }
125
126}
serialize()
unserialize( $serialized)
wfDebug( $text, $dest='all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
A localisation cache optimised for loading large amounts of data for many languages.
trimCache()
Unload cached languages until there are less than $this->maxLoadedLangs.
$maxLoadedLangs
Maximum number of languages that may be loaded into $this->data.
$mruLangs
Most recently used languages.
$fileCache
A cache of the contents of data files.
Class for caching the contents of localisation files, Messages*.php and *.i18n.php.