(PECL memcached >= 0.1.0)
Memcached::increment — Increment numeric item's value
$key
[, int $offset = 1
] )
Memcached::increment() increments a numeric item's value
by the specified offset. If the item's value is not
numeric, it is treated as if the value were 0.
Memcached::increment() will fail if the item does not
exist.
key
The key of the item to increment.
offset
The amount by which to increment the item's value.
Returns new item's value on success lub FALSE w przypadku niepowodzenia.
The Memcached::getResultCode() will return
Memcached::RES_NOTFOUND if the key does not exist.
Przykład #1 Memcached::increment() example
<?php
$m = new Memcached();
$m->addServer('localhost', 11211);
$m->set('counter', 0);
$m->increment('counter');
$m->increment('counter', 10);
var_dump($m->get('counter'));
$m->set('counter', 'abc');
$m->increment('counter');
?>
Powyższy przykład wyświetli:
int(11) string(1) "1"