Turns on or off auto-committing database modifications (original) (raw)

mysqli::autocommit

mysqli_autocommit

(PHP 5, PHP 7)

mysqli::autocommit -- mysqli_autocommit — Turns on or off auto-committing database modifications

Description

Object oriented style

public mysqli::autocommit ( bool $mode ) : bool

mysqli_autocommit ( mysqli $link , bool $mode ) : bool

To determine the current state of autocommit use the SQL commandSELECT @@autocommit.

Parameters

link

Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

mode

Whether to turn on auto-commit or not.

Return Values

Returns TRUE on success or FALSE on failure.

Notes

Note:

This function doesn't work with non transactional table types (like MyISAM or ISAM).

Examples

Example #1 mysqli::autocommit() example

Object oriented style

`<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

if (

mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}/* turn autocommit on */
$mysqli->autocommit(TRUE);

if ( result=result = result=mysqli->query("SELECT @@autocommit")) { row=row = row=result->fetch_row();
printf("Autocommit is %s\n", $row[0]);
$result->free();
}/* close connection */
$mysqli->close();
?> `

Procedural style

`<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

if (!

$link) {
printf("Can't connect to localhost. Error: %s\n", mysqli_connect_error());
exit();
}/* turn autocommit on */
mysqli_autocommit($link, TRUE);

if ( result=mysqliquery(result = mysqli_query(result=mysqliq​uery(link, "SELECT @@autocommit")) { row=mysqlifetchrow(row = mysqli_fetch_row(row=mysqlif​etchr​ow(result);
printf("Autocommit is %s\n", $row[0]);
mysqli_free_result($result);
}/* close connection */
mysqli_close($link);
?> `

The above examples will output:

See Also