Connecting PHP to basic Justice League MySQL db

Step8TestPHPConnectionToMySQL

<?php

    define ('dbuser', 'root');
    define ('dbpassword', 'password');
    define ('dbhost', 'localhost');
    define ('dbname', 'jl');
    
    $dbcon = @mysqli_connect (dbhost, dbuser, dbpassword, dbname) OR die ('Could not connect to MySQL: ' . mysqli_connect_error () );
    mysqli_set_charset($dbcon, 'utf8');
    
    $result = mysqli_query($dbcon, "SELECT justiceleaguer.alias, justiceleaguer.alterego, species.name FROM justiceleaguer LEFT JOIN species ON justiceleaguer.species = species.id ORDER BY justiceleaguer.id;");
    
    while($row = mysqli_fetch_array($result)) {
        echo $row['alias'] . " is " . $row['alterego'] . ", a " . $row['name'] . ". <br>";
    }
    
    mysqli_close($dbcon);

?>