m9.php

<?php
//MySQL Limit Data
$host     = 'localhost';
$user     = 'root';
$password = 'root';

$db_name = 'basicDB_2';
//students_2

$mysql_conn = mysqli_connect( $host, $user, $password, $db_name );

if ( !$mysql_conn ) {
    die( "Connection Failed" . mysqli_connect_error() );
}

$sql = "SELECT id, firstname, lastname, email FROM students_2 LIMIT 2";

$result = mysqli_query( $mysql_conn, $sql );

//print_r($result);

$rows = mysqli_num_rows( $result );

if ( $rows > 0 ) {

    while ( $row = mysqli_fetch_assoc( $result ) ) {
        echo "id=" . $row["id"] . " Name - " . $row["firstname"] . " " . $row["lastname"] . " - Email - " . $row["email"] . "<br>";
    }

}

mysqli_close( $mysql_conn );