PHP mysqli autocommit() Function
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
