MySQL INSERT from a SELECT with PDO

Question

I have a strange behaviour using PHP PDO for a INSERT from a SELECT query. Testing the query directly in MySQL it works well, I get my row inserted :

INSERT          


        

Answer 1

Not that it is the probable problem, but you put a username in the password field in your code. In your query you insert the aeskey there. It is the only difference I can spot.

Answer 2

Look at the PHP Documentation for PDO::bindParam. One user there suggested:

...you must use each parameter once and only once...

So, you used username and aeskey twice. Do it this way:

$sql_enc = '
    INSERT INTO sessionid (enc_id, enc_pass, enc_date) 
        (SELECT AES_ENCRYPT(:username1, :aeskey1), AES_ENCRYPT(:pwd, :aeskey2), DATE_ADD(NOW(), INTERVAL 15 SECOND) FROM users WHERE username = :username2)
';
$res_enc = $pdo->prepare($sql_enc);
$res_enc->bindParam(':aeskey1', $aeskey);
$res_enc->bindParam(':aeskey2', $aeskey);
$res_enc->bindParam(':username1', $username);
$res_enc->bindParam(':username2', $username);
$res_enc->bindParam(':pwd', $username);
$res_enc->execute();
$res_enc = null;