Sessions support
Memcached::add
Memcached
PHP Manual

# The Memcached class

## Introducción

Represents a connection to a set of memcached servers.

## Class synopsis

Memcached
Memcached {
__construct ([ string `$persistent_id` ] )
public bool add ( string `$key` , mixed `$value` [, int `$expiration` ] )
public bool addByKey ( string `$server_key` , string `$key` , mixed `$value` [, int `$expiration` ] )
public bool addServer ( string `$host` , int `$port` [, int `$weight` ] )
public bool addServers ( array `$servers` )
public bool append ( string `$key` , string `$value` )
public bool appendByKey ( string `$server_key` , string `$key` , string `$value` )
public bool cas ( double `$cas_token` , string `$key` , mixed `$value` [, int `$expiration` ] )
public bool casByKey ( double `$cas_token` , string `$server_key` , string `$key` , mixed `$value` [, int `$expiration` ] )
public bool decrement ( string `$key` [, int `$offset` ] )
public bool delete ( string `$key` [, int `$time` ] )
public bool deleteByKey ( string `$server_key` , string `$key` [, int `$time` ] )
public mixed fetch ( void )
public mixed fetchAll ( void )
public bool flush ([ int `$delay` ] )
public mixed get ( string `$key` [, callback `$cache_cb` [, double `&$cas_token` ]] )
public mixed getByKey ( string `$server_key` , string `$key` [, callback `$cache_cb` [, double `&$cas_token` ]] )
public bool getDelayed ( array `$keys` [, bool `$with_cas` [, callback `$value_cb` ]] )
public bool getDelayedByKey ( string `$server_key` , array `$keys` [, bool `$with_cas` [, callback `$value_cb` ]] )
public mixed getMulti ( array `$keys` [, array `&$cas_tokens` ] )
public void getMultiByKey ( string `$server_key` , array `$keys` [, string `&$cas_tokens` ] )
public void getOption ( int `$option` )
public int getResultCode ( void )
public array getServerByKey ( string `$server_key` )
public array getServerList ( void )
public array getStats ( void )
public bool increment ( string `$key` [, int `$offset` ] )
public bool prepend ( string `$key` , string `$value` )
public bool prependByKey ( string `$server_key` , string `$key` , string `$value` )
public bool replace ( string `$key` , mixed `$value` [, int `$expiration` ] )
public bool replaceByKey ( string `$server_key` , string `$key` , mixed `$value` [, int `$expiration` ] )
public bool set ( string `$key` , mixed `$value` [, int `$expiration` ] )
public bool setByKey ( string `$server_key` , string `$key` , mixed `$value` [, int `$expiration` ] )
public bool setMulti ( array `$items` [, int `$expiration` ] )
public bool setMultiByKey ( string `$server_key` , array `$items` [, int `$expiration` ] )
public bool setOption ( int `$option` , mixed `$value` )
}

## Table of Contents

- Memcached::add — Add an item under a new key
- Memcached::addByKey — Add an item under a new key on a specific server
- Memcached::addServer — Add a server to the server pool
- Memcached::addServers — Add multiple servers to the server pool
- Memcached::append — Append data to an existing item
- Memcached::appendByKey — Append data to an existing item on a specific server
- Memcached::cas — Compare and swap an item
- Memcached::casByKey — Compare and swap an item on a specific server
- Memcached::__construct — Create a Memcached instance
- Memcached::decrement — Decrement numeric item's value
- Memcached::delete — Delete an item
- Memcached::deleteByKey — Delete an item from a specific server
- Memcached::fetch — Fetch the next result
- Memcached::fetchAll — Fetch all the remaining results
- Memcached::flush — Invalidate all items in the cache
- Memcached::get — Retrieve an item
- Memcached::getByKey — Retrieve an item from a specific server
- Memcached::getDelayed — Request multiple items
- Memcached::getDelayedByKey — Request multiple items from a specific server
- Memcached::getMulti — Retrieve multiple items
- Memcached::getMultiByKey — Retrieve multiple items from a specific server
- Memcached::getOption — Retrieve a Memcached option value
- Memcached::getResultCode — Return the result code of the last operation
- Memcached::getServerByKey — Map a key to a server
- Memcached::getServerList — Get the list of the servers in the pool
- Memcached::getStats — Get server pool statistics
- Memcached::increment — Increment numeric item's value
- Memcached::prepend — Prepend data to an existing item
- Memcached::prependByKey — Prepend data to an existing item on a specific server
- Memcached::replace — Replace the item under an existing key
- Memcached::replaceByKey — Replace the item under an existing key on a specific server
- Memcached::set — Store an item
- Memcached::setByKey — Store an item on a specific server
- Memcached::setMulti — Store multiple items
- Memcached::setMultiByKey — Store multiple items on a specific server
- Memcached::setOption — Set a Memcached option

Sessions support
Memcached::add
Memcached
PHP Manual