<?php
class conection{
    public $_host;
    public $_user;
    public $_pass;
    public $_db;

    function __construct($host,$user,$pass,$db){
        $this->_host = $host;
        $this->_user =$user;
        $this->_pass = $pass;
        $this->_db =$db;

        self::conectar();
    }
    public function conectar(){
        $conexao = mysql_connect($this->_host,$this->_user,$this->_pass);
        mysql_select_db($this->_db, $conexao);
    }
}

?>