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PDO::commit

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(PHP 5 >= 5.1.0, PHP 7, PECL pdo >= 0.1.0)

PDO::commit — Commits a transaction

Description

public PDO::commit ( void ) : bool

Commits a transaction, returning the database connection to autocommit mode until the next call to PDO::beginTransaction() starts a new transaction.

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Return Values

Returns TRUE on success or FALSE on failure.

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Errors/Exceptions

Throws a PDOException if there is no active transaction.

Note: An exception is raised even when the PDO::ATTR_ERRMODE attribute is not PDO::ERRMODE_EXCEPTION.

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Examples

Example #1 Committing a basic transaction

<?php
/* Begin a transaction, turning off autocommit */
$dbh->beginTransaction();

/* Insert multiple records on an all-or-nothing basis */
$sql = 'INSERT INTO fruit
    (name, colour, calories)
    VALUES (?, ?, ?)';

$sth = $dbh->prepare($sql);

foreach ($fruits as $fruit) {
    $sth->execute(array(
        $fruit->name,
        $fruit->colour,
        $fruit->calories,
    ));
}

/* Commit the changes */
$dbh->commit();

/* Database connection is now back in autocommit mode */
?>

Example #2 Committing a DDL transaction

<?php
/* Begin a transaction, turning off autocommit */
$dbh->beginTransaction();

/* Change the database schema */
$sth = $dbh->exec("DROP TABLE fruit");

/* Commit the changes */
$dbh->commit();

/* Database connection is now back in autocommit mode */
?>

Note: Not all databases will allow transactions to operate on DDL statements: some will generate errors, whereas others (including MySQL) will automatically commit the transaction after the first DDL statement has been encountered.

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-pdo.commit.html

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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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