mysqli::$info, mysqli_info

• mysqli::$info

  mysqli_info

  Retrieves information about the most recently executed query

Description

Object oriented stylestring mysqli->info ;

Procedural stylestring mysqli_info(mysqli link);

The mysqli_info function returns a string providing information about the last query executed. The nature of this string is provided below:

Table 20.14. Possible mysqli_info return values

Query type	Example result string
INSERT INTO...SELECT...	Records: 100 Duplicates: 0 Warnings: 0
INSERT INTO...VALUES (...),(...),(...)	Records: 3 Duplicates: 0 Warnings: 0
LOAD DATA INFILE ...	Records: 1 Deleted: 0 Skipped: 0 Warnings: 0
ALTER TABLE ...	Records: 3 Duplicates: 0 Warnings: 0
UPDATE ...	Rows matched: 40 Changed: 40 Warnings: 0

Note

Queries which do not fall into one of the preceding formats are not supported. In these situations, mysqli_info will return an empty string.

Parameters

link

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

Return Values

A character string representing additional information about the most recently executed query.

Examples

Example 20.123. $mysqli->info example

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 TEMPORARY TABLE t1 LIKE City');
/* INSERT INTO .. SELECT */
$mysqli->query('INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150');
printf('%s\n', $mysqli->info);
/* close connection */
$mysqli->close();
?>

Procedural style

<?php
$link = mysqli_connect('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
 printf('Connect failed: %s\n', mysqli_connect_error());
 exit();
}
mysqli_query($link, 'CREATE TEMPORARY TABLE t1 LIKE City');
/* INSERT INTO .. SELECT */
mysqli_query($link, 'INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150');
printf('%s\n', mysqli_info($link));
/* close connection */
mysqli_close($link);
?>

The above examples will output:

Records: 150 Duplicates: 0 Warnings: 0

See Also

mysqli_affected_rows

mysqli_warning_count

mysqli_num_rows

Retornar