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<?php
namespace Engelsystem\Database;
use Illuminate\Database\Capsule\Manager as CapsuleManager;
use PDO;
use PDOStatement;
class Db
{
/** @var CapsuleManager */
protected static $dbManager;
/** @var PDOStatement */
protected static $stm = null;
/** @var bool */
protected static $lastStatus = true;
/**
* Set the database connection manager
*
* @param CapsuleManager $dbManager
*/
public static function setDbManager($dbManager)
{
self::$dbManager = $dbManager;
}
/**
* Run a prepared query
*
* @param string $query
* @param array $bindings
* @return PDOStatement
*/
public static function query($query, array $bindings = [])
{
self::$stm = self::getPdo()->prepare($query);
self::$lastStatus = self::$stm->execute($bindings);
return self::$stm;
}
/**
* Run a sql query
*
* @param string $query
* @return bool
*/
public static function unprepared($query)
{
self::$stm = self::getPdo()->query($query);
self::$lastStatus = (self::$stm instanceof PDOStatement);
return self::$lastStatus;
}
/**
* Run a select query
*
* @param string $query
* @param array $bindings
* @return array[]
*/
public static function select($query, array $bindings = [])
{
self::query($query, $bindings);
return self::$stm->fetchAll(PDO::FETCH_ASSOC);
}
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/**
* Run a select query and return only the first result or null if no result is found.
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*
* @param string $query
* @param array $bindings
* @return array|null
*/
public static function selectOne($query, array $bindings = [])
{
$result = self::select($query, $bindings);
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if (empty($result)) {
return null;
}
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return array_shift($result);
}
/**
* Run an insert query
*
* @param string $query
* @param array $bindings
* @return int Row count
*/
public static function insert($query, array $bindings = [])
{
self::query($query, $bindings);
return self::$stm->rowCount();
}
/**
* Run an update query
*
* @param string $query
* @param array $bindings
* @return int
*/
public static function update($query, array $bindings = [])
{
self::query($query, $bindings);
return self::$stm->rowCount();
}
/**
* Run a delete query
*
* @param string $query
* @param array $bindings
* @return int
*/
public static function delete($query, array $bindings = [])
{
self::query($query, $bindings);
return self::$stm->rowCount();
}
/**
* Run a single statement
*
* @param string $query
* @param array $bindings
* @return bool
*/
public static function statement($query, array $bindings = [])
{
self::query($query, $bindings);
return self::$lastStatus;
}
/**
* Returns the last error
*
* @return array
*/
public static function getError()
{
if (!self::$stm instanceof PDOStatement) {
return [-1, null, null];
}
return self::$stm->errorInfo();
}
/**
* Get the PDO instance
*
* @return PDO
*/
public static function getPdo()
{
return self::$dbManager->getConnection()->getPdo();
}
/**
* @return PDOStatement|false|null
*/
public static function getStm()
{
return self::$stm;
}
}