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db.class.php
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db.class.php
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<?php
class DB
{
public function __construct(string $hostname, string $db, string $username = null, string $password = null)
{
return $this->connect($hostname, $db, $username, $password);
}
public function __destruct()
{
$this->db = null;
}
private function connect(string $hostname, string $db, string $username, string $password)
{
$dsn="mysql:host={$hostname};dbname={$db}";
try {
$this->db = new PDO($dsn, $username, $password);
$this->db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
throw new Exception($e);
}
return $this->db;
}
public function run($sql, $args = [])
{
return $this->prepare($sql, $args);
}
private function prepare($sql, $args) {
$stmt = $this->db->prepare($sql);
try {
$stmt->execute($args);
} catch (PDOException $e) {
throw new Exception($e);
}
return $stmt;
}
public function get($sql, $args = [])
{
$stmt = $this->prepare($sql, $args);
try {
$res = $stmt->fetchAll();
} catch (PDOException $e) {
throw new Exception($e);
}
return $res;
}
public function getOne($sql, $args = []) {
$stmt = $this->prepare($sql, $args);
try {
$res = $stmt->fetchObject();
} catch (PDOException $e) {
throw new Exception($e);
}
return $res;
}
}