<?php

namespace FL\Assistant\System\Container;

class ReflectionCacheArray implements ReflectionCache {

	private $cache = [];

	public function fetch( $key ) {
		// The additional isset() check here improves performance but we also
		// need array_key_exists() because some cached values === NULL.
		return ( isset( $this->cache[ $key ] ) || array_key_exists( $key, $this->cache ) )
			? $this->cache[ $key ]
			: false;
	}

	public function store( $key, $data ) {
		$this->cache[ $key ] = $data;
	}
}