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PHP mysqli autocommit() Function

❮ PHP MySQLi Reference

Example - Object Oriented style

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

<?php
$mysqli = new mysqli("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(FALSE);

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

// Commit transaction
if (!$mysqli -> commit()) {
  echo "Commit transaction failed";
  exit();
}

$mysqli -> close();
?>

Look at example of procedural style at the bottom.


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);
?>


❮ PHP MySQLi Reference