Cache a Drupalban

A cache (pronounced /kæʃ/ ) is a collection of data duplicating original values Stored elsewhere or computed earlier, where the original data is expensive to fetch (owing to longer access time) or to compute, compared to the cost of reading the cache. Wikipedia

Op code caches APC Eaccelerator XCache IonCube Turck MMCache Nusphere PhpExpress Zend Optimizer+ Zend Platform

APC

Eaccelerator

XCache

IonCube

Turck MMCache

Nusphere PhpExpress

Zend Optimizer+

Zend Platform

function node_load( $param = array() , $revision = NULL , $reset = NULL ) { static $nodes = array() ; if ( $reset ) { $nodes = array() ; } … if ( isset ( $nodes [ $param ])) { return is_object( $nodes [ $param ]) ? drupal_clone( $nodes [ $param ]) : $nodes [ $param ]; } … return $node ; }

cache_get( $cid , $table = 'cache' ) cache_set( $cid , $data , $table = 'cache' , $expire = CACHE_PERMANENT, $headers = NULL )

cache cache_block cache_content cache_filter cache_form cache_menu cache_page cache_update

cache

cache_block

cache_content

cache_filter

cache_form

cache_menu

cache_page

cache_update

+------------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------+--------------+------+-----+---------+-------+ | cid | varchar(255) | NO | PRI | | | | data | longblob | YES | | NULL | | | expire | int(11) | NO | MUL | 0 | | | created | int(11) | NO | | 0 | | | headers | text | YES | | NULL | | | serialized | smallint(6) | NO | | 0 | | +------------+--------------+------+-----+---------+-------+

function mymodule_schema() { $schema = array() ; $schema [ 'cache_mymodule' ] = drupal_get_schema_unprocessed( 'system' , 'cache' ); $schema [ 'cache_mymodule' ][ 'description' ] = '' ; return $schema ; }

Cache Router APC Database eAccelerator File Memcache Memcached (Alpha) XCache

APC

Database

eAccelerator

File

Memcache

Memcached (Alpha)

XCache

Memcache