74 lines
1.1 KiB
PHP
74 lines
1.1 KiB
PHP
<?php
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/**
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* Ion
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*
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* Building blocks for web development
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*
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* @package Ion
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2015 - 2016
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* @license MIT
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*/
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namespace Aviat\Ion\Cache\Driver;
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use Aviat\Ion\ConfigInterface;
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/**
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* The Driver for no real cache
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*/
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class NullDriver implements DriverInterface {
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/**
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* 'Cache' for Null data store
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*/
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protected $data = [];
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/**
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* Retrieve a value from the cache backend
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*
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* @param string $key
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* @return mixed
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*/
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public function get($key)
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{
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return (array_key_exists($key, $this->data))
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? $this->data[$key]
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: NULL;
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}
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/**
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* Set a cached value
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*
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* @param string $key
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* @param mixed $value
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* @return DriverInterface
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*/
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public function set($key, $value)
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{
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$this->data[$key] = $value;
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return $this;
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}
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/**
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* Invalidate a cached value
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*
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* @param string $key
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* @return DriverInterface
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*/
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public function invalidate($key)
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{
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unset($this->data[$key]);
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return $this;
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}
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/**
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* Clear the contents of the cache
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*
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* @return void
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*/
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public function invalidateAll()
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{
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$this->data = [];
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}
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}
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// End of NullDriver.php
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