mysqli_info

Manuale PHP
Indietro		Avanti

Description

Procedural style:

string mysqli_info ( mysqli link )

Object oriented style (property)

class mysqli {

string info

}

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

Tabella 1. 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

Nota: Queries which do not fall into one of the above formats are not supported. In these situations, mysqli_info() will return an empty string.

Valori restituiti

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

Vedere anche:

mysqli_affected_rows(), mysqli_warning_count() e mysqli_num_rows().

Esempi

Esempio 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 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();
?>

Esempio 2. 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 example will output:

Records: 150  Duplicates: 0  Warnings: 0

Indietro	Partenza	Avanti
mysqli_get_server_version	Risali	mysqli_init