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Последние активные темы форума |
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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
DescriptionПроцедурный стиль: string mysqli_info ( mysqli link ) Объектно-ориентированный стиль (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 значенияA character string representing additional information about the most recently executed query.
Примеры
Пример 1. Объектно-ориентированный стиль
<?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. Процедурный стиль
<?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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