tutorial.pdo.1.php

<?php

$host = 'localhost';
$dbname = 'tutorial_pdo';
$user = 'root';
$pass = '';

try {
    //$dbh , database handler aka db handler
    $dbh = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);



    //close db handler
    $dbh = null;
} catch (PDOException $e) {
    echo "ouch!... ada ralat.";
    file_put_contents('error_log.txt', $e->getMessage() . PHP_EOL, FILE_APPEND);
}