95 lines
2.1 KiB
PHP
95 lines
2.1 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @package OpenCart
|
||
|
|
* @author Daniel Kerr
|
||
|
|
* @copyright Copyright (c) 2005 - 2022, OpenCart, Ltd. (https://www.opencart.com/)
|
||
|
|
* @license https://opensource.org/licenses/GPL-3.0
|
||
|
|
* @link https://www.opencart.com
|
||
|
|
*/
|
||
|
|
namespace Opencart\System\Library;
|
||
|
|
/**
|
||
|
|
* Class DB Adapter
|
||
|
|
*/
|
||
|
|
class DB {
|
||
|
|
/**
|
||
|
|
* @var object|mixed
|
||
|
|
*/
|
||
|
|
private object $adaptor;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor
|
||
|
|
*
|
||
|
|
* @param string $adaptor
|
||
|
|
* @param string $hostname
|
||
|
|
* @param string $username
|
||
|
|
* @param string $password
|
||
|
|
* @param string $database
|
||
|
|
* @param int $port
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
public function __construct(string $adaptor, string $hostname, string $username, string $password, string $database, string $port = '') {
|
||
|
|
$class = 'Opencart\System\Library\DB\\' . $adaptor;
|
||
|
|
|
||
|
|
if (class_exists($class)) {
|
||
|
|
$this->adaptor = new $class($hostname, $username, $password, $database, $port);
|
||
|
|
} else {
|
||
|
|
throw new \Exception('Error: Could not load database adaptor ' . $adaptor . '!');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Query
|
||
|
|
*
|
||
|
|
* @param string $sql SQL statement to be executed
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function query(string $sql): bool|object {
|
||
|
|
return $this->adaptor->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escape
|
||
|
|
*
|
||
|
|
* @param string $value Value to be protected against SQL injections
|
||
|
|
*
|
||
|
|
* @return string returns escaped value
|
||
|
|
*/
|
||
|
|
public function escape(string $value): string {
|
||
|
|
return $this->adaptor->escape($value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Count Affected
|
||
|
|
*
|
||
|
|
* Gets the total number of affected rows from the last query
|
||
|
|
*
|
||
|
|
* @return int returns the total number of affected rows.
|
||
|
|
*/
|
||
|
|
public function countAffected(): int {
|
||
|
|
return $this->adaptor->countAffected();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Last ID
|
||
|
|
*
|
||
|
|
* Get the last ID gets the primary key that was returned after creating a row in a table.
|
||
|
|
*
|
||
|
|
* @return int returns last ID
|
||
|
|
*/
|
||
|
|
public function getLastId(): int {
|
||
|
|
return $this->adaptor->getLastId();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Is Connected
|
||
|
|
*
|
||
|
|
* Checks if a DB connection is active.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function isConnected(): bool {
|
||
|
|
return $this->adaptor->isConnected();
|
||
|
|
}
|
||
|
|
}
|