MysqlBase.class.php

<?php
   require 'Database.interface.php';
   class MysqlBase implements Database {
   	  private $host, $user, $pass, $db, $base;

   	  public function __construtct($host, $user, $pass, $db) {
   	  	$this->host = $host;
   	  	$this->user = $user;
   	  	$this->pass = $pass;
   	  	$this->db = $db;
   	  }
   	  public function open() {
   	  	$dsn = sprintf('mysql:host=%s;dbname=%s', $this->host, $this->db);
   	  	$base = new PDO($dsn, $this->user, $this->pass);

   	  }
   	  public function close() {
   	  	$this->base = null;

   	  }
   	  public function execute($strSQL) {
   	  	$stmt = $this->base->prepare($strSQL);
   	  	$stmt->execute();
   	  	return $stmt;

   	  }
   }
?>