<?php
$pdo = new PDO('mysql:host='.HOST.';dbname='.DB , USER, PASSWORD);

if($_REQUEST['action'] == "get") {
    $result = $pdo->query("Select Menucard_ID, Titel_DE, Describtion_DE, Menucard_ID from Menucards");
}

if($_REQUEST['action'] >= 0) {
        $result = $pdo->query("select
                              Titel_DE,
                              Titel_EN,
                              Titel_IT,
                              Describtion_DE,
                              Describtion_EN,
                              Describtion_IT
                            from Menucards where Menucard_ID = ".$_REQUEST['action']);
}
print_r($pdo->errorInfo());

$array = $result->fetchAll();

$json = json_encode(array("aaData"=>$array));
echo $json;



error:

Array
(
    [0] => 42S22
    [1] => 1054
    [2] => Unknown column 'get' in 'where clause'
)

Fatal error: Call to a member function fetchAll() on a non-object in /home/pascal/prj/phptest/tool/files/scripts/GetJSON_Menucard.php on line 21