<?php
try {
    	$titulek= $_POST['titulek'];
	$autor= $_POST['autor'];
	$clanek= $_POST['clanek'];
	$stmt->execute();


    $conn = new PDO("mysql:host=$hostitel;dbname=$databaze", $uzivatel, $heslo);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     $stmt = $conn->prepare("INSERT INTO Tabulky (autor, titulek, clanek)
    VALUES (:autor, :titulek, :clanek)");

    $stmt->bindParam(':autor', $firstname);
    $stmt->bindParam(':titulek', $titulek);
    $stmt->bindParam(':clanek', $clanek);


    }
catch(PDOException $e)
    {

     echo "Error: " . $e->getMessage();
    }

$conn = null;
?>