friendica/src/Model/Storage/IStorage.php

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<?php
/**
* @file src/Model/Storage/IStorage.php
* @brief Storage backend system
*/
namespace Friendica\Model\Storage;
/**
* @brief Interface for storage backends
*/
interface IStorage
{
/**
* @brief Get data from backend
* @param string $ref Data reference
* @return string
*/
public static function get($ref);
/**
* @brief Put data in backend as $ref. If $ref is null a new reference is created.
* @param string $data Data to save
* @param string $ref Data referece. Optional.
* @return string Saved data referece
*/
public static function put($data, $ref = null);
/**
* @brief Remove data from backend
* @param string $ref Data referece
* @return boolean True on success
*/
public static function delete($ref);
}