<?php
try {
    $host="localhost"; $dbname="login"; $user="xxx"; $pass="xxx";
   $dbh = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);

    $stmt = $dbh->prepare("INSERT INTO test (name) VALUES(?)");

    try {
        $dbh->beginTransaction();
        $stmt->execute( array('fehshfjk'));
        $dbh->commit();
        print $dbh->lastInsertId();
    } catch(PDOExecption $e) {
        $dbh->rollback();
        print "Error!: " . $e->getMessage() . "</br>";
    }
} catch( PDOExecption $e ) {
    print "Error!: " . $e->getMessage() . "</br>";
}
?>