mysqli_commit

(PHP 5)

mysqli_commit

(no version information, might be only in CVS)

mysqli->commit -- Commits the current transaction

Description

Procedural style:

bool mysqli_commit ( object link)

Object oriented style (method)

class mysqli {

bool commit ( void )

}

Commits the current transaction for the database connection specified by the link parameter.

Return values

Returns TRUE on success or FALSE on failure.

See also

mysqli_autocommit(), mysqli_rollback().

Examples

Example 1. Object oriented style

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

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

$mysqli->query("CREATE TABLE Language LIKE CountryLanguage Type=InnoDB");

/* set autocommit to off */
$mysqli->autocommit(FALSE);

/* Insert some values */
$mysqli->query("INSERT INTO Language VALUES ('DEU', 'Bavarian', 'F', 11.2)");
$mysqli->query("INSERT INTO Language VALUES ('DEU', 'Swabian', 'F', 9.4)");

/* commit transaction */
$mysqli->commit();

/* drop table */
$mysqli->query("DROP TABLE Language");

/* close connection */
$mysqli->close();
?>

Example 2. Procedural style

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

/* check connection */
if (!$link) {
    
printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* set autocommit to off */
mysqli_autocommit($link, FALSE);

mysqli_query($link, "CREATE TABLE Language LIKE CountryLanguage Type=InnoDB");

/* Insert some values */
mysqli_query($link, "INSERT INTO Language VALUES ('DEU', 'Bavarian', 'F', 11.2)");
mysqli_query($link, "INSERT INTO Language VALUES ('DEU', 'Swabian', 'F', 9.4)");

/* commit transaction */
mysqli_commit($link);

/* close connection */
mysqli_close($link);
?>

">("localhost", "my_user", "my_password", "test");

/* check connection */
if (!$link) {
    
printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* Set Variable a */
mysqli_query($link, "SET @a:=1");
                                         
/* reset all and select a new database */
mysqli_change_user($link, "my_user", "my_password", "world");

if (
$result = mysqli_query($link, "SELECT DATABASE()")) {
    
$row = mysqli_fetch_row($result);
    
printf("Default database: %s\n", $row[0]);
    
mysqli_free_result($result);
}

if (
$result = mysqli_query($link, "SELECT @a")) {
    
$row = mysqli_fetch_row($result);
    if (
$row[0] === NULL) {
        
printf("Value of variable a is NULL\n");
    }
    
mysqli_free_result($result);
}

/* close connection */
mysqli_close($link);
?>