__construct(string $file, iterable $resourceCheckers = array())

Parameters

string	$file	The absolute cache path
iterable	$resourceCheckers	The ResourceCheckers to use for the freshness check

string getPath()

Gets the cache file path.

Return Value

string

The cache file path

bool isFresh()

Checks if the cache is still fresh.

This implementation will make a decision solely based on the ResourceCheckers passed in the constructor.

The first ResourceChecker that supports a given resource is considered authoritative. Resources with no matching ResourceChecker will silently be ignored and considered fresh.

Return Value

bool	Whether the cache is still fresh

write(string $content, array $metadata = null)

Writes cache.

Parameters

string	$content	The content to write into the cache
array	$metadata	An array of ResourceInterface instances

Exceptions

RuntimeException

When cache file can't be written