<?php

class Connection extends PDO {

    /**
     * @var Statement
     */
    private $stmt;

    /**
     * @param string $dsn
     * @param string $username
     * @param string $password
     */
    public function __construct(string $dsn, string $username, string $password) {
		parent::__construct($dsn,$username,$password);
		$this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	}

	/** * @param string $query
		* @param array $parameters *
		* @return bool Returns `true` on success, `false` otherwise
	*/
	public function executeQuery(string $query, array $parameters = []) : bool{
		$this->stmt = parent::prepare($query);
		foreach ($parameters as $name => $value) {
            $this->stmt->bindValue($name, $value[0], $value[1]);
		}
		return $this->stmt->execute();
	}

    /**
     * @return array
     */
    public function getResults() : array {
		return $this->stmt->fetchall(PDO::FETCH_ASSOC);
	}
}