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<?php
namespace Cleantalk\Common;
/**
* CleanTalk abstract Data Base driver.
* Shows what should be inside.
* Uses singleton pattern.
*
* @version 1.0
* @author Cleantalk team (welcome@cleantalk.org)
* @copyright (C) 2014 CleanTalk team (http://cleantalk.org)
* @license GNU/GPL: http://www.gnu.org/copyleft/gpl.html
* @see https://github.com/CleanTalk/php-antispam
*
* @psalm-suppress UnusedProperty
* @psalm-suppress PossiblyUnusedProperty
*/
class DB
{
private static $instance;
/**
* @var string Query string
*/
private $query;
/**
* @var \wpdb result
*/
private $db_result;
/**
* @var array Processed result
*/
public $result = array();
/**
* @var string Database prefix
*/
public $prefix = '';
public function __construct()
{
}
public function __clone()
{
}
public function __wakeup()
{
}
public static function getInstance()
{
if ( ! isset(static::$instance)) {
static::$instance = new static();
static::$instance->init();
}
return static::$instance;
}
/**
* Alternative constructor.
* Initialize Database object and write it to property.
* Set tables prefix.
*/
private function init()
{
}
/**
* Set $this->query string for next uses
*
* @param $query
*
* @return $this|void
* @psalm-suppress PossiblyUnusedMethod
*/
public function setQuery($query)
{
}
/**
* Safely replace place holders
*
* @param string $query
* @param array $vars
*
* @return $this
* @psalm-suppress PossiblyUnusedMethod
*/
public function prepare($query, $vars = array())
{
return $this;
}
/**
* Run any raw request
*
* @param $query
*
* @return bool|int|void Raw result
* @psalm-suppress PossiblyUnusedParam
*/
public function execute($query)
{
}
/**
* Fetchs first column from query.
* May receive raw or prepared query.
*
* @param string $query
* @param bool|string $response_type
*
* @return array|object|void|null
* @psalm-suppress PossiblyUnusedMethod
*/
public function fetch($query = '', $response_type = false)
{
}
/**
* Fetchs all result from query.
* May receive raw or prepared query.
*
* @param string $query
* @param bool|string $response_type
*
* @return array|object|null|void
* @psalm-suppress PossiblyUnusedMethod
*/
public function fetchAll($query = '', $response_type = false)
{
}
/**
* Checks if the table exists
*
* @param $table_name
*
* @return bool
* @psalm-suppress PossiblyUnusedMethod
*/
public function isTableExists($table_name)
{
return (bool)$this->execute("SHOW TABLES LIKE '" . $table_name . "'");
}
}