Memcached::append

(PECL memcached >= 0.1.0)

Memcached::appendAppend data to an existing item

Açıklama

publicMemcached::append(string$key, string$value): ?bool

Memcached::append() appends the given value string to the value of an existing item. The reason that value is forced to be a string is that appending mixed types is not well-defined.

Bilginize:

If the Memcached::OPT_COMPRESSION is enabled, the operation will fail and a warning will be issued, because appending compressed data to a value that is potentially already compressed is not possible.

Bağımsız Değişkenler

key

Değerin saklanacağı anahtar.

value

The string to append.

Dönen Değerler

Başarı durumunda true, başarısızlık durumunda false döner. Returns null when compression is on.

Hatalar/İstisnalar

Returns null and raises an E_WARNING when compression is enabled.

Örnekler

Örnek 1 Memcached::append() example

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

$m->set('foo', 'abc');
$m->append('foo', 'def');
var_dump($m->get('foo'));
?>

Yukarıdaki örneğin çıktısı:

string(6) "abcdef"

Ayrıca Bakınız

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