Database connection script for PHP 8.x and MySQL

database.php

<?php
    // allow error reporting
    ini_set('display_errors', 1);
    ini_set('display_startup_errors', 1);
    error_reporting(E_ALL);
?>
<?php

    try {
        // connect to database
        $conn = mysqli_connect("localhost", "root", "", "myshoutbox");

        // check connection
        if (!$conn) {
            throw new Exception();
        }
    } catch (Exception $e) {
        // if connection fails, display error message
        echo "Error: Unable to connect to database. ";
        echo " Reason: " . $e->getMessage();
        echo ". mysqli_ error number: " . mysqli_connect_errno();
        exit; // don't execute any other code on the page
    }

?>

More information: https://stackify.com/php-try-catch-php-exception-tutorial/

See also: https://stackoverflow.com/questions/74239715/php-is-not-showing-up-my-error-message-when-cant-connect-to-database

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