85 lines
1.5 KiB
PHP
85 lines
1.5 KiB
PHP
<?php namespace Laravel\Cache;
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class File extends Driver {
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/**
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* The file engine instance.
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*
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* @var Laravel\File
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*/
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private $file;
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/**
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* The path to which the cache files should be written.
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*
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* @var string
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*/
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private $path;
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/**
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* Create a new File cache driver instance.
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*
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* @param Laravel\File $file
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* @param string $path
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* @return void
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*/
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public function __construct(\Laravel\File $file, $path)
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{
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$this->file = $file;
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$this->path = $path;
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}
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/**
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* Determine if an item exists in the cache.
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*
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* @param string $key
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* @return bool
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*/
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public function has($key)
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{
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return ( ! is_null($this->get($key)));
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}
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/**
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* Retrieve an item from the cache driver.
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*
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* @param string $key
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* @return mixed
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*/
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protected function retrieve($key)
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{
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if ( ! $this->file->exists($this->path.$key)) return null;
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if (time() >= substr($cache = $this->file->get($this->path.$key), 0, 10))
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{
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return $this->forget($key);
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}
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return unserialize(substr($cache, 10));
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}
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/**
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* Write an item to the cache for a given number of minutes.
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*
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* @param string $key
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* @param mixed $value
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* @param int $minutes
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* @return void
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*/
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public function put($key, $value, $minutes)
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{
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$this->file->put($this->path.$key, (time() + ($minutes * 60)).serialize($value));
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}
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/**
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* Delete an item from the cache.
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*
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* @param string $key
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* @return void
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*/
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public function forget($key)
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{
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$this->file->delete($this->path.$key);
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}
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} |