more 2.0 changes

This commit is contained in:
Taylor Otwell
2011-08-19 20:12:39 -05:00
parent 73b1cb78f4
commit 5b85edb23b
38 changed files with 951 additions and 614 deletions

View File

@@ -2,37 +2,64 @@
class File extends Driver {
/**
* Determine if an item exists in the cache.
*
* <code>
* // Determine if the "name" item exists in the cache
* $exists = Cache::driver()->has('name');
* </code>
*
* @param string $key
* @return bool
*/
public function has($key)
{
return ( ! is_null($this->get($key)));
}
public function get($key, $default = null)
/**
* Retrieve an item from the cache driver.
*
* @param string $key
* @return mixed
*/
protected function retrieve($key)
{
if ( ! file_exists(CACHE_PATH.$key))
if ( ! file_exists(CACHE_PATH.$key)) return null;
if (time() >= substr($cache = file_get_contents(CACHE_PATH.$key), 0, 10))
{
return $this->prepare(null, $default);
return $this->forget($key);
}
$cache = file_get_contents(CACHE_PATH.$key);
// The cache expiration date is stored as a UNIX timestamp at the beginning
// of the cache file. We'll extract it out and check it here.
if (time() >= substr($cache, 0, 10))
{
$this->forget($key);
return $this->prepare(null, $default);
}
return $this->prepare(unserialize(substr($cache, 10)), $default);
return unserialize(substr($cache, 10));
}
/**
* Write an item to the cache for a given number of minutes.
*
* <code>
* // Write the "name" item to the cache for 30 minutes
* Cache::driver()->put('name', 'Fred', 30);
* </code>
*
* @param string $key
* @param mixed $value
* @param int $minutes
* @return void
*/
public function put($key, $value, $minutes)
{
file_put_contents(CACHE_PATH.$key, (time() + ($minutes * 60)).serialize($value), LOCK_EX);
}
/**
* Delete an item from the cache.
*
* @param string $key
* @return void
*/
public function forget($key)
{
@unlink(CACHE_PATH.$key);