(PHP 5, PHP 7)
Turns on or off auto-committing database modifications
bool mysqli::autocommit ( bool $mode )
Object oriented style
Procedural style
Turns on or off auto-commit mode on queries for the database connection.
To determine the current state of autocommit use the SQL command SELECT @@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.
Returns:
Returns TRUE
on success or FALSE
on failure.
Notes:
This function doesn't work with non transactional table types (like MyISAM or ISAM).
Examples:
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 = $mysqli->query("SELECT @@autocommit")) { $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 = mysqli_query($link, "SELECT @@autocommit")) { $row = mysqli_fetch_row($result); printf("Autocommit is %s\n", $row[0]); mysqli_free_result($result); } /* close connection */ mysqli_close($link); ?>
The above examples will output:
Autocommit is 1
See also:
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