- var_dump: documentation ( source)
<?php
$pdo = new PDO('sqlite:/tmp/db.db');
$pdo->exec('
CREATE TABLE opa(name VARCHAR(255), last_name VARCHAR(255));
INSERT INTO opa(name, last_name) value("fulano", "fulano");
INSERT INTO opa(name, last_name) value("cicrano", "cicrano");
');
var_dump($pdo->prepare('SELECT * FROM opa WHERE name = :name AND last_name = :name'));