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Remove caching from get_blogs_of_user(). Leave caching to usermeta and blog details. Speed up the loops. fixes #15458.

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git-svn-id: http://svn.automattic.com/wordpress/trunk@18928 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2011-10-10 19:50:08 +00:00
parent 260d918501
commit 84e4f066df
1 changed files with 44 additions and 47 deletions
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91
wp-includes/user.php
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@ -645,14 +645,14 @@ function get_users( $args = array() ) {
*
* @since 3.0.0
*
* @param int $id User Id
* @param bool $all Whether to retrieve all blogs or only blogs that are not marked as deleted, archived, or spam.
* @param int $user_id User ID
* @param bool $all Whether to retrieve all blogs, or only blogs that are not marked as deleted, archived, or spam.
* @return array A list of the user's blogs. False if the user was not found or an empty array if the user has no blogs.
*/
function get_blogs_of_user( $id, $all = false ) {
function get_blogs_of_user( $user_id, $all = false ) {
global $wpdb;
if ( !is_multisite() ) {
if ( ! is_multisite() ) {
$blog_id = get_current_blog_id();
$blogs = array( $blog_id => new stdClass );
$blogs[ $blog_id ]->userblog_id = $blog_id;
@ -664,61 +664,59 @@ function get_blogs_of_user( $id, $all = false ) {
return $blogs;
}
$user_id = (int) $user_id;
// Logged out users can't have blogs
if ( 0 === $id )
if ( empty( $user_id ) )
return false;
$blogs = wp_cache_get( 'blogs_of_user-' . $id, 'users' );
$keys = get_user_meta( $user_id );
if ( empty( $keys ) )
return false;
// Try priming the new cache from the old cache
if ( false === $blogs ) {
$cache_suffix = $all ? '_all' : '_short';
$blogs = wp_cache_get( 'blogs_of_user_' . $id . $cache_suffix, 'users' );
if ( is_array( $blogs ) ) {
$blogs = array_keys( $blogs );
if ( $all )
wp_cache_set( 'blogs_of_user-' . $id, $blogs, 'users' );
$blogs = array();
if ( isset( $keys[ $wpdb->base_prefix . 'capabilities' ] ) && defined( 'MULTISITE' ) ) {
$blog = get_blog_details( 1 );
if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) {
$blogs[ 1 ] = (object) array(
'userblog_id' => 1,
'blogname' => $blog->blogname,
'domain' => $blog->domain,
'path' => $blog->path,
'site_id' => $blog->site_id,
'siteurl' => $blog->siteurl,
);
}
unset( $keys[ $wpdb->base_prefix . 'capabilities' ] );
}
if ( false === $blogs ) {
$userkeys = get_user_meta( (int) $id );
if ( empty( $userkeys ) )
return false;
$userkeys = array_keys( $userkeys );
$keys = array_keys( $keys );
$blogs = $match = array();
$prefix_length = strlen( $wpdb->base_prefix );
foreach ( $userkeys as $key ) {
if ( $prefix_length && substr($key, 0, $prefix_length) != $wpdb->base_prefix )
continue;
if ( substr($key, -12, 12) != 'capabilities' )
continue;
if ( preg_match( '/^' . $wpdb->base_prefix . '((\d+)_)?capabilities$/', $key, $match ) ) {
if ( count( $match ) > 2 )
$blogs[] = (int) $match[ 2 ];
else
$blogs[] = 1;
}
}
wp_cache_set( 'blogs_of_user-' . $id, $blogs, 'users' );
}
foreach ( $keys as $key ) {
if ( 'capabilities' !== substr( $key, -12 ) )
continue;
if ( 0 !== strpos( $key, $wpdb->base_prefix ) )
continue;
$blog_id = str_replace( array( $wpdb->base_prefix, '_capabilities' ), '', $key );
if ( ! is_numeric( $blog_id ) )
continue;
$blog_deets = array();
foreach ( (array) $blogs as $blog_id ) {
$blog_id = (int) $blog_id;
$blog = get_blog_details( $blog_id );
if ( $blog && isset( $blog->domain ) && ( $all || ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
$blog_deets[ $blog_id ] = new stdClass;
$blog_deets[ $blog_id ]->userblog_id = $blog_id;
$blog_deets[ $blog_id ]->blogname = $blog->blogname;
$blog_deets[ $blog_id ]->domain = $blog->domain;
$blog_deets[ $blog_id ]->path = $blog->path;
$blog_deets[ $blog_id ]->site_id = $blog->site_id;
$blog_deets[ $blog_id ]->siteurl = $blog->siteurl;
if ( $blog && isset( $blog->domain ) && ( $all || ( ! $blog->archived && ! $blog->spam && ! $blog->deleted ) ) ) {
$blogs[ $blog_id ] = (object) array(
'userblog_id' => $blog_id,
'blogname' => $blog->blogname,
'domain' => $blog->domain,
'path' => $blog->path,
'site_id' => $blog->site_id,
'siteurl' => $blog->siteurl,
);
}
}
return apply_filters( 'get_blogs_of_user', $blog_deets, $id, $all );
return apply_filters( 'get_blogs_of_user', $blogs, $user_id, $all );
}
/**
@ -1153,7 +1151,6 @@ function clean_user_cache($id) {
wp_cache_delete($user->user_login, 'userlogins');
wp_cache_delete($user->user_email, 'useremail');
wp_cache_delete($user->user_nicename, 'userslugs');
wp_cache_delete('blogs_of_user-' . $id, 'users');
}
/**