GoLang Memcached::increment

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PHP Memcached::increment

PHP original manual for Memcached::increment [ show | php.net ]

Memcached::increment

(PECL memcached >= 0.1.0)

Memcached::increment — Increment numeric item's value

Description

public int Memcached::increment ( string $key [, int $offset = 1 [, int $initial_value = 0 [, int $expiry = 0 ]]] )

Memcached::increment() increments a numeric item's value by the specified offset. If the item's value is not numeric, an error will result. Memcached::increment() will set the item to the initial_value parameter if the key doesn't exist.

Parameters

key

The key of the item to increment.

offset

The amount by which to increment the item's value.

initial_value

The value to set the item to if it doesn't currently exist.

expiry

The expiry time to set on the item.

Return Values

Returns new item's value on success or FALSE on failure.

Examples

Example #1 Memcached::increment() example

<?php
$m = new Memcached();
$m->addServer('localhost', 11211);

$m->set('counter', 0);
$m->increment('counter');
$n = $m->increment('counter', 10);
var_dump($n);

$m->set('counter', 'abc');
$n = $m->increment('counter');
// ^ will fail due to item value not being numeric
var_dump($n);
?>

The above example will output:

int(11)
bool(false)

See Also