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42cb091a0a
Because of the way that the cache groups are structured, there is no simple way to figure out which cache keys should be dropped upon deletion. Our solution is to scan through all the keys in the 'bp' group to determine the relevant ones. It's not particularly elegant, but this kind of cache-busting will happen rarely (namely, when an activity item is deleted) so the overhead is negligible. Fixes #4804 git-svn-id: https://buddypress.svn.wordpress.org/trunk@7051 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
54 lines
1.5 KiB
PHP
54 lines
1.5 KiB
PHP
<?php
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/**
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* Functions related to the BuddyPress Activity component and the WP Cache
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*
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* @since BuddyPress (1.6)
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*/
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// Exit if accessed directly
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if ( !defined( 'ABSPATH' ) ) exit;
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/**
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* Slurps up activitymeta
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*
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* This function is called in two places in the BP_Groups_Group class:
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* - in the populate() method, when single group objects are populated
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* - in the get() method, when multiple groups are queried
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*
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* It grabs all groupmeta associated with all of the groups passed in $group_ids and adds it to
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* the WP cache. This improves efficiency when using groupmeta inline
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*
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* @param int|str|array $group_ids Accepts a single group_id, or a comma-separated list or array of
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* group ids
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*/
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function bp_activity_update_meta_cache( $activity_ids = false ) {
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global $bp;
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$cache_args = array(
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'object_ids' => $activity_ids,
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'object_type' => $bp->activity->id,
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'object_column' => 'activity_id',
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'meta_table' => $bp->activity->table_name_meta,
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'cache_key_prefix' => 'bp_activity_meta'
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);
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bp_update_meta_cache( $cache_args );
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}
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/**
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* Clear the cache for all metadata of a given activity
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*
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* @param int $activity_id
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*/
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function bp_activity_clear_meta_cache_for_activity( $activity_id ) {
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global $wp_object_cache;
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if ( is_object( $wp_object_cache ) && ! empty( $wp_object_cache->cache['bp'] ) ) {
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foreach ( $wp_object_cache->cache['bp'] as $ckey => $cvalue ) {
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if ( 0 === strpos( $ckey, 'bp_activity_meta_' . $activity_id ) ) {
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wp_cache_delete( $ckey, 'bp' );
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}
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}
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}
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}
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