【PHP】下らねぇ質問はID出して書き込みやがれ 81

<?php
try {
$oDbCxn = new PDO('sqlite:test1');
$oDbCxn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

}
catch (PDOException $e) {
die("Error connecting to DB");
}

$bUpdatePending = true;

while ($bUpdatePending) {
try {
$oDbCxn->query("BEGIN EXCLUSIVE TRANSACTION");

// $oDbCxn->beginTransaction();
$oDbCxn->exec("UPDATE tb1 SET value = value + 1 WHERE id = '1'");

$oDbCxn->commit();

$bUpdatePending = false; // Exit the loop now the update has been done
}
catch (PDOException $e) {
print $e->getMessage();

$oDbCxn->rollback();
}
}
?>