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Improve the performance of WP_Object_Cache's _exists() method. 

Results showed a performance improvement on one admin screen of 90ms (~2%).

fixes #21320. see #20004.



git-svn-id: http://core.svn.wordpress.org/trunk@21285 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2012-07-20 04:21:42 +00:00
parent b87b0ab2c2
commit 5b2c145a4d
1 changed files with 6 additions and 3 deletions
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7
wp-includes/cache.php
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@ -531,10 +531,13 @@ class WP_Object_Cache {
/** /**
* Utility function to determine whether a key exists in the cache. * Utility function to determine whether a key exists in the cache.
* @access private *
* @since 3.4.0
*
* @access protected
*/ */
protected function _exists( $key, $group ) { protected function _exists( $key, $group ) {
return isset( $this->cache[$group] ) && is_array( $this->cache[$group] ) && array_key_exists( $key, $this->cache[$group] ); return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
} }
/** /**