PHP connects to mysql database

PHP connects to mysql database

<?php  
    $dbhost = &#39;localhost:3306&#39;;  
    $dbuser = &#39;root&#39;;  
    $dbpass = &#39;root&#39;;  
    $conn = mysql_connect($dbhost, $dbuser, $dbpass);  
    if(! $conn )  
    {  
      echo &#39;Connect failure&#39;;  
    }  
    echo &#39;Connected successfully&#39;;  
    mysql_close();  
?>