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The PDO (PHP Data Objects) extension allows developers to connect to numerous different types of databases and execute queries against them in a uniform, object oriented manner.



Warning Do not miss to check for exceptions while using lastInsertId(). It can throw the following error:

SQLSTATE IM001 : Driver does not support this function

Here is how you should properly check for exceptions using this method :

// Retrieving the last inserted id
$id = null;

try {
    $id = $pdo->lastInsertId(); // return value is an integer    
catch( PDOException $e ) {
    echo $e->getMessage();

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