Memcached::setOption

(PECL memcached >= 0.1.0)

Memcached::setOption — Set a Memcached option

Descrizione

public Memcached::setOption(int $option, mixed $value): bool

This method sets the value of a Memcached option. Some options correspond to the ones defined by libmemcached, and some are specific to the extension.

Elenco dei parametri

option

One of the Memcached::OPT_* constant. See Memcached Constants for more information.

value

The value to be set.

Nota:
The options listed below require values specified via constants.

Memcached::OPT_HASH requires Memcached::HASH_* values.

Memcached::OPT_DISTRIBUTION requires Memcached::DISTRIBUTION_* values.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Esempi

Example #1 Setting a Memcached option

<?php
$m = new Memcached();
var_dump($m->getOption(Memcached::OPT_HASH) == Memcached::HASH_DEFAULT);
$m->setOption(Memcached::OPT_HASH, Memcached::HASH_MURMUR);
$m->setOption(Memcached::OPT_PREFIX_KEY, "widgets");
echo "Prefix key is now: ", $m->getOption(Memcached::OPT_PREFIX_KEY), "\n";
?>

Il precedente esempio visualizzerà:

bool(true)
Prefix key is now: widgets

Vedere anche:

Memcached::getOption() - Retrieve a Memcached option value
Memcached::setOptions() - Set Memcached options
Memcached Constants

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User Contributed Notes 1 note

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Harry Fuecks ¶

14 years ago

Be warned that setting the option Memcached::OPT_DISTRIBUTION to Memcached::DISTRIBUTION_CONSISTENT can carry a significant performance hit so is best used with persistent connections. More details at http://github.com/andreiz/php-memcached/issues#issue/14

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