What are the benefits of using aliases in PHP when fetching data from multiple database tables?

When fetching data from multiple database tables in PHP, using aliases can help make the SQL query more readable and efficient. Aliases can be used to give shorter, more meaningful names to tables and columns, making the query easier to understand. Additionally, aliases can help avoid naming conflicts when joining multiple tables with columns of the same name.

// Example of using aliases in a SQL query to fetch data from multiple tables
$query = "SELECT u.id AS user_id, u.username, p.post_id, p.title
          FROM users u
          JOIN posts p ON u.id = p.user_id
          WHERE u.status = 'active'";

$result = mysqli_query($connection, $query);

if ($result) {
    while ($row = mysqli_fetch_assoc($result)) {
        // Process data here
    }
} else {
    echo "Error: " . mysqli_error($connection);
}