LazyLoadConfigTrait

Trait LazyLoadConfigTrait.

Implements lazy-loading behavior for configuration access. This trait MUST be used in classes implementing ConfigInterface to defer configuration instantiation until first usage. It SHALL invoke the implementing class as a callable to obtain the actual config instance.

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• Full name: \FastForward\Config\LazyLoadConfigTrait

Methods

__invoke

Implementing class MUST define the __invoke() method to return a ConfigInterface instance.

public __invoke(): \FastForward\Config\ConfigInterface

• This method is abstract. Return Value:

the actual configuration instance

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get

Retrieves a configuration value by key.

public get(string $key, mixed|null $default = null): mixed

Parameters:

Parameter	Type	Description
$key	string	the configuration key to retrieve
$default	mixed|null	the default value if the key is not found

Return Value:

the value of the configuration key or the default

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has

Checks for existence of a configuration key.

public has(string $key): bool

Parameters:

Parameter	Type	Description
$key	string	the configuration key to check

Return Value:

TRUE if the key exists, FALSE otherwise

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set

Sets configuration data.

public set(array|\FastForward\Config\ConfigInterface|string $key, mixed|null $value = null): void

Parameters:

Parameter	Type	Description
$key	array|\FastForward\Config\ConfigInterface|string	the key or set of keys/values to set
$value	mixed|null	the value to set if a single key is provided

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remove

Removes a configuration key.

public remove(string $key): void

Parameters:

Parameter	Type	Description
$key	string	the configuration key to remove

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toArray

Exports the entire configuration to an array.

public toArray(): array

Return Value:

the configuration as an associative array

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getIterator

Retrieves an iterator for traversing the configuration data.

public getIterator(): \Traversable

Return Value:

an iterator over the configuration

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