Interface Cache

An interface for classes implementing cache capabilities.

ICanBoogie\Storage\Cache implements IteratorAggregate

Namespace: ICanBoogie\Storage
Located at Cache.php

Methods summary

`public boolean`	# `exists( $key )` Checks if a key exists in a storage. Checks if a key exists in a storage. Parameters `$key` Returns boolean `true` if the key exists, `false` otherwise.
`public mixed\|null`	# `retrieve( string $key )` Retrieves a value. Retrieves a value. Parameters `$key` The key of the value. Returns mixed\|null The value associated with the key, or `null` if the key doesn't exists.
`public Iterator`	# `getIterator( )` Returns Iterator Inheritdoc Implementation of `IteratorAggregate::getIterator()`