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mysqli_info(PHP 5) mysqli_info (no version information, might be only in CVS) mysqli->info -- Retrieves information about the most recently executed query DescriptionProcedural 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:
Таблица 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 |
Замечание:
Queries which do not fall into one of the above formats are not supported.
In these situations, mysqli_info() will return an empty string.
Возвращаемые значения
A character string representing additional information about the most recently executed query.
ПримерыПример 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();
?>
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Пример 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);
?>
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Результат выполнения данного примера: Records: 150 Duplicates: 0 Warnings: 0 |
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