Chain

The cache backend chaining backend.

This backend allows other caching backends to be chained together for fault tollerance. All operations (has,get,set,remove) are performed on ALL backends at once.

Configuration options for this backend is an array of 'backend_name' => 'backend_options' pairs. (see each backend for available options)

For example:

[ 'file' => [ 'cache_dir' => '/tmp/cache' ], 'memcached' => [ 'server' => 'localhost' ] ]

Properties

backends

private array $backends

order

private array $order

Methods

available

public available(): bool

init

public init(string $namespace): void

Parameters

Parameter	Type	Description
$namespace	string

has

public has(string $key, bool $checkEmpty): bool

Parameters

Parameter	Type	Description
$key	string
$checkEmpty	bool

get

public get(string $key): mixed

Parameters

Parameter	Type	Description
$key	string

set

public set(string $key, mixed $value, int $timeout): bool

Parameters

Parameter	Type	Description
$key	string
$value	mixed
$timeout	int

remove

public remove(string $key): bool

Parameters

Parameter	Type	Description
$key	string

clear

public clear(): bool

setExpireTimeout

public setExpireTimeout(int $timeout): void

Parameters

Parameter	Type	Description
$timeout	int

toArray

public toArray(): void

count

public count(): int

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Generated by Hazaar API Doc Generator on Mon, 27 Oct 2025 13:01:29 +0000