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Hasher.php
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Hasher.php
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<?php
/**
* This file is part of the spiritix/lada-cache package.
*
* @copyright Copyright (c) Matthias Isler <mi@matthias-isler.ch>
* @license MIT
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Spiritix\LadaCache;
/**
* Hasher generates a hash for a query using a reflector.
*
* @package Spiritix\LadaCache
* @author Matthias Isler <mi@matthias-isler.ch>
*/
class Hasher
{
/**
* Reflector instance.
*
* @var Reflector
*/
private $reflector;
/**
* Initialize hasher.
*
* @param Reflector $reflector Reflector instance
*/
public function __construct(Reflector $reflector)
{
$this->reflector = $reflector;
}
/**
* Returns the hash.
*
* @return string
*/
public function getHash()
{
// Never remove the database from the identifier
// Most SQL queries do not include the target database
$identifier = $this->reflector->getDatabase() .
$this->reflector->getSql() .
serialize($this->reflector->getParameters());
return md5($identifier);
}
}