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PHP mysqli autocommit() Function

PHP MySQLi Reference : Turn off auto-committing, make some queries, then commit the queries

Definition and Usage

The autocommit() / mysqli_autocommit() function turns on or off auto-committing database modifications.

Tip: Also look at the commit() function, which commits the current transaction for the specified database connection, and the rollback() function, which rolls back the current transaction.

Syntax

Object oriented style:

$mysqli -> autocommit(mode)

Procedural style:

mysqli_autocommit(connection, mode)

Parameter Values

Parameter	Description
connection	Required. Specifies the MySQL connection to use
mode	Required. FALSE turns auto-commit off. TRUE turns auto-commit on (and commits any waiting queries)

Technical Details

Return Value:	TRUE on success. FALSE on failure
PHP Version:	5+

Example - Procedural style

Turn off auto-committing, make some queries, then commit the queries:

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit;
}

// Turn autocommit off
mysqli_autocommit($con,FALSE);

// Insert some values
mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Peter','Griffin',35)");
mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age)
VALUES ('Glenn','Quagmire',33)");

// Commit transaction
if (!$mysqli_commit($con)) {
echo "Commit transaction failed";
exit();
}

// Close connection
mysqli_close($con);
?>

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