php-link-mysql.php

<?php
$host = "10.0.2.2";
$user = "root";
$pwd = "root";

if (!$link = mysql_connect( $host, $user, $pwd )) {
    echo 'Could not connect to mysql';
    exit;
}

if (!mysql_select_db('my_database', $link)) {
    echo 'Could not select database';
    exit;
}

$sql    = 'SELECT * FROM products';
$result = mysql_query($sql, $link);

if (!$result) {
    echo "DB Error, could not query the database\n";
    echo 'MySQL Error: ' . mysql_error();
    exit;
}

while ($row = mysql_fetch_assoc($result)) {
    echo $row['id']." | ".$row['name'];
}

mysql_free_result($result);