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Optimize get_user_by( 'id', $id ) to return wp_get_current_user() when the current user ID is requested. 

Provides for a major performance improvement by preventing repeated instantiations of WP_User in the capabilities API.

see #21120.



git-svn-id: http://core.svn.wordpress.org/trunk@21376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2012-07-31 17:45:38 +00:00
parent fcae3978c3
commit 174dad02bc
1 changed files with 3 additions and 0 deletions
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3
wp-includes/pluggable.php
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@ -133,6 +133,9 @@ if ( !function_exists('get_user_by') ) :
* @return bool|object False on failure, WP_User object on success * @return bool|object False on failure, WP_User object on success
*/ */
function get_user_by( $field, $value ) { function get_user_by( $field, $value ) {
if ( 'id' === $field && (int) $value && get_current_user_id() === (int) $value )
return wp_get_current_user();
$userdata = WP_User::get_data_by( $field, $value ); $userdata = WP_User::get_data_by( $field, $value );
if ( !$userdata ) if ( !$userdata )