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Can someone explain the purpose of the die() function in the context of handling database connection errors in PHP?

The die() function in PHP is used to terminate the script and display a message if a database connection error occurs. This can be helpful for debugging and providing feedback to the user about the issue. By using die() in conjunction with error handling techniques, you can ensure that your application gracefully handles database connection errors.

php
<?php
// Attempt to connect to the database
$connection = mysqli_connect("localhost", "username", "password", "database");

// Check if the connection was successful
if (!$connection) {
    die("Connection failed: " . mysqli_connect_error());
}

// Continue with your database operations here