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# Memcache::replace

(no version information, might be only in CVS)

Memcache::replace -- Replace value of the existing item

## Description

bool Memcache::replace ( string key, mixed var [, int flag [, int expire]] )

Memcache::replace() should be used to replace value of existing item with key. In case if item with such key doesn't exists, Memcache::replace() returns `FALSE`. For the rest Memcache::replace() behaves similarly to Memcache::set().

Also you can use memcache_replace() function. See example below.

Exemplo 1. Memcache::replace() example

`<?php $memcache_obj = memcache_connect('memcache_host', 11211); /* procedural API */ memcache_replace($memcache_obj, "test_key", "some variable", false, 30); /* OO API */ $memcache_obj->replace("test_key", "some variable", false, 30); ?>`

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

See also Memcache::set(), Memcache::add().

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