PHP 5.6.16 is available


(PECL memcached >= 0.1.0)

Memcached::setOptionSet a Memcached option


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.

Return Values

Returns TRUE on success or FALSE on failure.


Example #1 Setting a Memcached option

= new Memcached();
var_dump($m->getOption(Memcached::OPT_HASH) == Memcached::HASH_DEFAULT);
"Prefix key is now: "$m->getOption(Memcached::OPT_PREFIX_KEY), "\n";

The above example will output:

Prefix key is now: widgets

See Also

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User Contributed Notes 1 note

Harry Fuecks
5 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
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