wordpress kitchen 2014 - Александр Стриха: Кеширование в wordpress

WordPressKitchen 2014

Александр Стрихаalex@pingbull.no

WordPressКеширование в

IsCache = ???

IsCache = 1Money

W P_Object_Cache

wp_cache_set( 'key', 'value' );

$value = wp_cache_get( 'key' );

function get_free_products_count(){ if ( false === ( $count = wp_cache_get( 'free-products' ) ) ) { $count = big query wp_cache_set( 'free-products', $count ); } return $count;}

get_free_products_count(); // SQLget_free_products_count(); // Cacheget_free_products_count(); // Cache

wp-content/object-cache.php

Memcached https://wordpress.org/plugins/memcached/

Redishttps://github.com/ericmann/Redis-Object-Cache

Transients API

set_transient( 'key', 'value', $time );

$value = get_transient( 'key' );

if ( false === ( $value = get_transient( 'key' ) ) ) { $value = wp_remote_get( $url );

set_transient( 'key', $value, DAY_IN_SECONDS );}

if ( false === ( $value = get_transient( 'key' ) ) ) { $value = BIG QUERY

set_transient( 'key', $value, DAY_IN_SECONDS );}

add_action( 'save_post', function ( $post_id ) {

delete_transient( 'key' );

});

if ( false === ( $value = get_transient( 'key' ) ) ) {

ob_start();

get_sidebar();

$value = ob_get_clean();

set_transient( 'key', $value, DAY_IN_SECONDS );

}

add_action( 'cron_event', function( ) {

$value = wp_remote_get( $url );

set_transient( 'key', $value, DAY_IN_SECONDS );

});

wp_cache_postload( );

Advanced Cache

wp-content/advanced-cache.phpdefine( 'WP_CACHE', true );

WP Super Cachehttps://wordpress.org/plugins/wp-super-cache/

W3 Total Cachehttps://wordpress.org/plugins/w3-total-cache/

Batcachehttps://wordpress.org/plugins/batcache/

function wp_cache_postload( ) {

$key = 'page_cache' . $_SERVER[ 'REQUEST_URI' ];

if ( $html = get_transient( $key ) ) {

echo $html;

exit;

}

ob_ ob_start( function( $html ) use ( $key ) {

set_transient( $key, $html, HOUR_IN_SECONDS );

return $html;

});

}

Clean WP: 99

Object Cache: 116

Full Page Cache: 1

Response time (sec)

KEEPCALM

AND

USECACHE