wikimedia /
mediawiki
| @@ 681-693 (lines=13) @@ | ||
| 678 | * @param int $levels |
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| 679 | * @return string |
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| 680 | */ |
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| 681 | protected static function getHashPathForLevel( $name, $levels ) { |
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| 682 | if ( $levels == 0 ) { |
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| 683 | return ''; |
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| 684 | } else { |
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| 685 | $hash = md5( $name ); |
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| 686 | $path = ''; |
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| 687 | for ( $i = 1; $i <= $levels; $i++ ) { |
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| 688 | $path .= substr( $hash, 0, $i ) . '/'; |
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| 689 | } |
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| 690 | ||
| 691 | return $path; |
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| 692 | } |
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| 693 | } |
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| 694 | ||
| 695 | /** |
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| 696 | * Get the number of hash directory levels |
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| @@ 212-224 (lines=13) @@ | ||
| 209 | * or the empty string if not $wgFileCacheDepth |
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| 210 | * @return string |
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| 211 | */ |
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| 212 | protected function hashSubdirectory() { |
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| 213 | global $wgFileCacheDepth; |
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| 214 | ||
| 215 | $subdir = ''; |
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| 216 | if ( $wgFileCacheDepth > 0 ) { |
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| 217 | $hash = md5( $this->mKey ); |
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| 218 | for ( $i = 1; $i <= $wgFileCacheDepth; $i++ ) { |
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| 219 | $subdir .= substr( $hash, 0, $i ) . '/'; |
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| 220 | } |
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| 221 | } |
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| 222 | ||
| 223 | return $subdir; |
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| 224 | } |
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| 225 | ||
| 226 | /** |
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| 227 | * Roughly increments the cache misses in the last hour by unique visitors |
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