"transaction php" Code Answer's
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transaction database php
godwin_kvg
on May 11, 2021
1<?php
// $conn instanceof Doctrine\DBAL\Connection
$conn->beginTransaction(); // 0 => 1, "real" transaction started
try {
...
// nested transaction block, this might be in some other API/library code that is
// unaware of the outer transaction.
$conn->beginTransaction(); // 1 => 2
try {
...
$conn->commit(); // 2 => 1
} catch (\Exception $e) {
$conn->rollBack(); // 2 => 1, transaction marked for rollback only
throw $e;
}
...
$conn->commit(); // 1 => 0, "real" transaction committed
} catch (\Exception $e) {
$conn->rollBack(); // 1 => 0, "real" transaction rollback
throw $e;
}
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26Source: www.doctrine-project.org
transaction php
godwin_kvg
on May 11, 2021
<?php
/* Démarre une transaction, désactivation de l'auto-commit */
$dbh->beginTransaction();
/* Modification du schéma de la base ainsi que des données */
$sth = $dbh->exec("DROP TABLE fruit");
$sth = $dbh->exec("UPDATE dessert
SET name = 'hamburger'");
/* On s'aperçoit d'une erreur et on annule les modifications */
$dbh->rollBack();
/* Le connexion à la base de données est maintenant de retour en mode auto-commit */
?>
Source: www.php.net
transaction database with php
godwin_kvg
on May 11, 2021
<?php
try {
$dbh = new PDO('odbc:SAMPLE', 'db2inst1', 'ibmdb2',
array(PDO::ATTR_PERSISTENT => true));
echo "Connecté\n";
} catch (Exception $e) {
die("Impossible de se connecter : " . $e->getMessage());
}
try {
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$dbh->beginTransaction();
$dbh->exec("insert into staff (id, first, last) values (23, 'Joe', 'Bloggs')");
$dbh->exec("insert into salarychange (id, amount, changedate)
values (23, 50000, NOW())");
$dbh->commit();
} catch (Exception $e) {
$dbh->rollBack();
echo "Failed: " . $e->getMessage();
}
?>
Source: www.php.net
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