Object oriented style (method):
Procedural style:
Begins a transaction. Requires MySQL 5.6 and above, and the InnoDB engine (it is enabled by default). For additional details about how MySQL transactions work, see » http://dev.mysql.com/doc/mysql/en/commit.html.
Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
Valid flags are:
-
MYSQLI_TRANS_START_READ_ONLY
: Start the transaction as "START TRANSACTION READ ONLY". -
MYSQLI_TRANS_START_READ_WRITE
: Start the transaction as "START TRANSACTION READ WRITE". -
MYSQLI_TRANS_START_WITH_CONSISTENT_SNAPSHOT
: Start the transaction as "START TRANSACTION WITH CONSISTENT SNAPSHOT".
Savepoint name for the transaction.
Returns TRUE
on success or FALSE
on failure.
Object oriented style
<?php $mysqli = new mysqli("127.0.0.1", "my_user", "my_password", "sakila"); if ($mysqli->connect_errno) { printf("Connect failed: %s\n", $mysqli->connect_error); exit(); } $mysqli->begin_transaction(MYSQLI_TRANS_START_READ_ONLY); $mysqli->query("SELECT first_name, last_name FROM actor"); $mysqli->commit(); $mysqli->close(); ?>
Procedural style
<?php $link = mysqli_connect("127.0.0.1", "my_user", "my_password", "sakila"); if (mysqli_connect_errno()) { printf("Connect failed: %s\n", mysqli_connect_error()); exit(); } mysqli_begin_transaction($link, MYSQLI_TRANS_START_READ_ONLY); mysqli_query($link, "SELECT first_name, last_name FROM actor LIMIT 1"); mysqli_commit($link); mysqli_close($link); ?>
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