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<?php 
// Assume database username: root, password: 123456, database: tutorialpro 
$con = mysqli_connect("localhost", "root", "123456", "tutorialpro"); 
if (mysqli_connect_errno($con)) 
{ 
    echo "Failed to connect to MySQL: " . mysqli_connect_error(); 
} 

$sql = "SELECT name, url FROM websites ORDER BY alexa";

if ($result = mysqli_query($con, $sql))
{
    // Get field information for all columns
    while ($fieldinfo = mysqli_fetch_field($result)) {

        printf("Field Name:     %s\n", $fieldinfo->name);
        echo "<br>";
        printf("Table:    %s\n", $fieldinfo->table);
        echo "<br>";
        printf("Max Length: %d\n", $fieldinfo->max_length);
        echo "<br>";
    }
    // Free result set
    mysqli_free_result($result);
}

mysqli_close($con);
?>