Created
December 20, 2017 22:08
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Fix a race condition in alloptions caching in WordPress
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| /** | |
| * Fix a race condition in alloptions caching | |
| * | |
| * See https://core.trac.wordpress.org/ticket/31245 | |
| */ | |
| function _wpcom_vip_maybe_clear_alloptions_cache( $option ) { | |
| if ( ! wp_installing() ) { | |
| $alloptions = wp_load_alloptions(); //alloptions should be cached at this point | |
| if ( isset( $alloptions[ $option ] ) ) { //only if option is among alloptions | |
| wp_cache_delete( 'alloptions', 'options' ); | |
| } | |
| } | |
| } | |
| add_action( 'added_option', '_wpcom_vip_maybe_clear_alloptions_cache' ); | |
| add_action( 'updated_option', '_wpcom_vip_maybe_clear_alloptions_cache' ); | |
| add_action( 'deleted_option', '_wpcom_vip_maybe_clear_alloptions_cache' ); |
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rhubarbgroup/redis-cache#58
https://github.com/Automattic/vip-go-mu-plugins-built/blob/master/misc.php#L66-L83