<?php

//Our connection details.
$host = 'xxx';
$user = 'xxx';
$password = 'xxx';
$database = 'xxx';

//An options array.
//Set the error mode to "exceptions"
$pdoOptions = array(
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_EMULATE_PREPARES => false
);

//Connect
$pdo = new PDO("mysql:host=$host;dbname=$database", $user, $password, $pdoOptions);


//Selecting multiple rows from a MySQL database using the PDO::query function.
$sql = "SELECT * FROM `messeges` ORDER BY mID DESC LIMIT 15";

foreach($pdo->query($sql, PDO::FETCH_ASSOC) as $row){
    echo $row['MYUSERNAME'] . ': ';
    echo $row['MESSEGE'] . '|';
}
$pdo = null;