<?php 
/**
 * SQLite connnection
 */
class SQLiteConnection {
    /**
     * PDO instance
     * @var type 
     */
    private $pdo;
 
    /**
     * return in instance of the PDO object that connects to the SQLite database
     * @return \PDO
     */
    public function connect() {
        if ($this->pdo == null) {
            try {
                $this->pdo = new \PDO("sqlite:" . Config::PATH_TO_SQLITE_FILE);
                } catch (\PDOException $e) {
               // handle the exception here
                }
                
            }
        return $this->pdo;
    }
}
?>