Memcached::flush
Memcached::getByKey
Memcached
PHP Manual

# Memcached::get

(PECL memcached >= 0.1.0)

Memcached::get — Retrieve an item

### Descrição

public mixed Memcached::get ( string `$key` [, callback `$cache_cb` [, float `&$cas_token` ]] )

Memcached::get() returns the item that was previously stored under the `key`. If the item is found and `cas_token` variable is provided, it will contain the CAS token value for the item. See Memcached::cas for how to use CAS tokens. Read-through caching callback may be specified via `cache_cb` parameter.

### Parâmetros

`key`

  The key of the item to retrieve.

`cache_cb`

  Read-through caching callback or `NULL`.

`cas_token`

  The variable to store the CAS token in.

### Valor Retornado

Returns the value stored in the cache or `FALSE` otherwise. The Memcached::getResultCode will return `Memcached::RES_NOTFOUND` if the key does not exist.

### Exemplos

Exemplo #1 Memcached::get() example #1

`<?php
$m = new Memcached();
$m->addServer('localhost', 11211);
$m->set('foo', 100);
var_dump($m->get('foo'));
?>`

O exemplo acima irá imprimir:

    int(100)

Exemplo #2 Memcached::get() example #2

`<?php
$m = new Memcached();
$m->addServer('localhost', 11211);
if (!($ip = $m->get('ip_block'))) {
if ($m->getResultCode() == Memcached::RES_NOTFOUND) {
$ip = array();
$m->set('ip_block', $ip);
} else {
/* log error */
/* ... */
}
}
?>`

### Veja Também

- Memcached::getByKey - Retrieve an item from a specific server
- Memcached::getMulti - Retrieve multiple items
- Memcached::getDelayed - Request multiple items

Memcached::flush
Memcached::getByKey
Memcached
PHP Manual