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Fix a race condition in alloptions caching in WordPress
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<?php | |
/** | |
* 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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