Timothy J Warren
c4e4ce938e
Some checks failed
Gitea - aviat/banker/pipeline/head There was a failure building this commit
140 lines
2.5 KiB
PHP
140 lines
2.5 KiB
PHP
<?php declare(strict_types=1);
|
|
/**
|
|
* Banker
|
|
*
|
|
* A Caching library implementing psr/cache (PSR 6) and psr/simple-cache (PSR 16)
|
|
*
|
|
* PHP version 7.4
|
|
*
|
|
* @package Banker
|
|
* @author Timothy J. Warren <tim@timshomepage.net>
|
|
* @copyright 2016 - 2020 Timothy J. Warren
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
* @version 3.1.0
|
|
* @link https://git.timshomepage.net/timw4mail/banker
|
|
*/
|
|
namespace Aviat\Banker\Driver;
|
|
|
|
|
|
/**
|
|
* Cache backend for use without a cache server. Only does transient
|
|
* in-memory caching
|
|
*/
|
|
class NullDriver extends AbstractDriver {
|
|
|
|
/**
|
|
* In memory store
|
|
*
|
|
* @var array
|
|
*/
|
|
protected array $store = [];
|
|
|
|
/**
|
|
* NullDriver constructor.
|
|
*
|
|
* @param array $config
|
|
* @param array $options
|
|
*/
|
|
public function __construct(array $config = [], array $options = [])
|
|
{
|
|
$this->store = [];
|
|
}
|
|
|
|
/**
|
|
* See if a key currently exists in the cache
|
|
*
|
|
* @param string $key
|
|
* @return bool
|
|
*/
|
|
public function exists(string $key): bool
|
|
{
|
|
return array_key_exists($key, $this->store);
|
|
}
|
|
|
|
/**
|
|
* Get the value for the selected cache key
|
|
*
|
|
* @param string $key
|
|
* @return mixed
|
|
*/
|
|
public function get(string $key)
|
|
{
|
|
return $this->exists($key)
|
|
? $this->store[$key]
|
|
: NULL;
|
|
}
|
|
|
|
/**
|
|
* Set a cached value
|
|
*
|
|
* @param string $key
|
|
* @param mixed $value
|
|
* @param int $expires
|
|
* @return bool
|
|
*/
|
|
public function set(string $key, $value, ?int $expires = NULL): bool
|
|
{
|
|
$this->store[$key] = $value;
|
|
return $this->store[$key] === $value;
|
|
}
|
|
|
|
/**
|
|
* Remove an item from the cache
|
|
*
|
|
* @param string $key
|
|
* @return boolean
|
|
*/
|
|
public function delete(string $key): bool
|
|
{
|
|
// Don't return true if the key didn't exist to begin with
|
|
if ( ! array_key_exists($key, $this->store))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
unset($this->store[$key]);
|
|
return ( ! array_key_exists($key, $this->store));
|
|
}
|
|
|
|
/**
|
|
* Remove multiple items from the cache
|
|
*
|
|
* @param string[] $keys
|
|
* @return boolean
|
|
*/
|
|
public function deleteMultiple(array $keys = []): bool
|
|
{
|
|
$res = TRUE;
|
|
|
|
foreach($keys as $key)
|
|
{
|
|
$res = $res && $this->delete($key);
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
|
|
/**
|
|
* Empty the cache
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function flush(): bool
|
|
{
|
|
$this->store = [];
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Set the specified key to expire at the given time
|
|
*
|
|
* @param string $key
|
|
* @param int $expires
|
|
* @return boolean
|
|
*/
|
|
public function expiresAt(string $key, int $expires): bool
|
|
{
|
|
//noop
|
|
return array_key_exists($key, $this->store);
|
|
}
|
|
} |