Jelix 1.6.37

memcacheKVDriver extends jKVDriver
in package
implements jIKVttl

Tags
subpackage

kvdb_plugin

author

Yannick Le Guédart

contributor

Laurent Jouanneau

copyright

2009 Yannick Le Guédart, 2010-2021 Laurent Jouanneau

link
http://www.jelix.org
licence

http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public Licence, see LICENCE file

see
http://fr2.php.net/manual/en/book.memcache.php

Interfaces, Classes and Traits

jIKVttl
interface for KV driver which support 'time to live' on values useful to use the driver as a cache storage

Table of Contents

$_compress  : bool
Should the data be compressed ? This feature is implemented sometimes in memcached drivers, and works sometimes.
$_connection  : object|resource
Name of the driver.
$_driverName  : string
Name of the driver.
$_profile  : array<string|int, mixed>
Profile for the connection in the kvdb INIfile.
$_profileName  : string
name of the profile
$_servers  : array<string|int, object>
Array of StdClass objects that contains host/port attributes for the memcache servers. Used only during _connection.
__construct()  : void
Class constructor
__destruct()  : void
Class destructor
append()  : bool
append a string to an existing key value
decrement()  : int
decrement a specific data value by $var
delete()  : bool
Deletes a key from the KVdb.
flush()  : bool
Flush the KVDb. Deletes all keys.
garbage()  : bool
delete all keys which are not any more valid
get()  : string
Gets one or several values;
increment()  : int
increment a specific data value by $var
insert()  : bool
Store a key/value. If the key already exist : error
prepend()  : bool
prepend a string to an existing key value
replace()  : bool
Store a key/value. The key should exists
set()  : bool
Store a key/value.
setWithTtl()  : bool
set a specific data with a ttl
_connect()  : Memcache
Connects to the memcache server
_disconnect()  : mixed
Disconnect from the memcache server
isResource()  : mixed

Properties

$_compress

Should the data be compressed ? This feature is implemented sometimes in memcached drivers, and works sometimes.

protected bool $_compress = alse

..

$_connection

Name of the driver.

protected object|resource $_connection = ull

$_profile

Profile for the connection in the kvdb INIfile.

protected array<string|int, mixed> $_profile

$_servers

Array of StdClass objects that contains host/port attributes for the memcache servers. Used only during _connection.

private array<string|int, object> $_servers = array()

Methods

__construct()

Class constructor

public __construct(array<string|int, mixed> $profile) : void

Initialise profile data and create the main object

Parameters
$profile : array<string|int, mixed>
Return values
void

__destruct()

Class destructor

public __destruct() : void
Return values
void

append()

append a string to an existing key value

public append(string $key, string $value) : bool
Parameters
$key : string

the key of the value to modify

$value : string

the value to append to the current key value

Return values
bool

false if failure

decrement()

decrement a specific data value by $var

public decrement(string $key[, mixed $decvalue = 1 ]) : int
Parameters
$key : string

key used for storing data in the cache

$decvalue : mixed = 1
Return values
int

the result, or false if failure

delete()

Deletes a key from the KVdb.

public delete(mixed $key) : bool
Parameters
$key : mixed

the key

Return values
bool

false if failure

flush()

Flush the KVDb. Deletes all keys.

public flush() : bool
Return values
bool

true if it is a success

garbage()

delete all keys which are not any more valid

public garbage() : bool
Return values
bool

false if failure

get()

Gets one or several values;

public get(mixed $key) : string
Parameters
$key : mixed

a key or an array of keys

Return values
string

or null if the key doesn't exist

increment()

increment a specific data value by $var

public increment(string $key[, mixed $incvalue = 1 ]) : int
Parameters
$key : string

key used for storing data in the cache

$incvalue : mixed = 1
Return values
int

the result, or false if failure

insert()

Store a key/value. If the key already exist : error

public insert(mixed $key, mixed $value) : bool
Parameters
$key : mixed

the key

$value : mixed
Return values
bool

false if failure

prepend()

prepend a string to an existing key value

public prepend(string $key, string $value) : bool
Parameters
$key : string

the key of the value to modify

$value : string

the value to prepend to the current key value

Return values
bool

false if failure

replace()

Store a key/value. The key should exists

public replace(mixed $key, mixed $value) : bool
Parameters
$key : mixed

the key

$value : mixed
Return values
bool

false if failure

set()

Store a key/value.

public set(mixed $key, mixed $value) : bool
Parameters
$key : mixed

the key

$value : mixed
Return values
bool

false if failure, if the value is a resource...

setWithTtl()

set a specific data with a ttl

public setWithTtl(string $key, mixed $value, int $ttl) : bool
Parameters
$key : string

key used for storing data

$value : mixed

the value

$ttl : int

data time expiration

Return values
bool

false if failure

_connect()

Connects to the memcache server

protected _connect() : Memcache

The host list is in the host profile value, in the form of :

host=server1:port1;server2:port2;server3;port3;...

Tags
throws
jException
Return values
Memcache

object

_disconnect()

Disconnect from the memcache server

protected _disconnect() : mixed
Return values
mixed

isResource()

protected isResource(mixed $value) : mixed
Parameters
$value : mixed
Return values
mixed

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