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Memcached::setOption

(PECL memcached >= 0.1.0)

Memcached::setOptionSet a Memcached option

Descrizione

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

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. See Memcached Constants for more information.

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_HASHMemcached::HASH_MURMUR);
$m->setOption(Memcached::OPT_PREFIX_KEY"widgets");
echo 
"Prefix key is now: "$m->getOption(Memcached::OPT_PREFIX_KEY), "\n";
?>

Il precedente esempio visualizzerĂ :

bool(true)
Prefix key is now: widgets

Vedere anche:

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User Contributed Notes 1 note

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Harry Fuecks
4 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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