mysqli_stmt_data_seek
(PHP 5)
mysqli_stmt_data_seek
(no version information, might be only in CVS)
stmt->data_seek -- Seeks to an arbitray row in statement result set
Description
Procedural style:
void
mysqli_stmt_data_seek ( mysqli_stmt statement, int offset )
Object oriented style (method):
class
mysqli_stmt {
void
data_seek ( int offset )
}
The mysqli_stmt_data_seek() function seeks to an arbitrary result pointer
specified by the offset in the statement result set represented by
statement. The offset parameter must be between
zero and the total number of rows minus one (0..mysqli_stmt_num_rows() - 1).
Возвращаемые значения
Returns NULL on success or FALSE on failure.
Примеры
Пример 1. Object oriented style
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if ($stmt = $mysqli->prepare($query)) {
/* execute query */
$stmt->execute();
/* bind result variables */
$stmt->bind_result($name, $code);
/* store result */
$stmt->store_result();
/* seek to row no. 400 */
$stmt->data_seek(399);
/* fetch values */
$stmt->fetch();
printf ("City: %s Countrycode: %s\n", $name, $code);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>
|
|
Пример 2. Procedural style
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, CountryCode FROM City ORDER BY Name";
if ($stmt = mysqli_prepare($link, $query)) {
/* execute query */
mysqli_stmt_execute($stmt);
/* bind result variables */
mysqli_stmt_bind_result($stmt, $name, $code);
/* store result */
mysqli_stmt_store_result($stmt);
/* seek to row no. 400 */
mysqli_stmt_data_seek($stmt, 399);
/* fetch values */
mysqli_stmt_fetch($stmt);
printf ("City: %s Countrycode: %s\n", $name, $code);
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
|
|
Результат выполнения данного примера:
City: Benin City Countrycode: NGA |