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PHP. Руководство по PHP. 2005

mysqli_data_seek

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mysqli_data_seek

(PHP 5)mysqli_data_seek

(no version information, might be only in CVS)result->data_seek -- Adjusts the result pointer to an arbitary row in the result

Description

Procedural style:bool mysqli_data_seek (mysqli_result result, int offset)

Object oriented style (method):class mysqli_result {

bool data_seek (int offset)

}

The mysqli_data_seek() function seeks to an arbitrary result pointer

specified by the offset in the result set represented by

result. The offset parameter must be between

zero and the total number of rows minus one (0..mysqli_num_rows() - 1).

Замечание:

This function can only be used with buffered results attained from the use of the

mysqli_store_result() or mysqli_query() functions.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Смотрите также

mysqli_store_result(),

mysqli_fetch_row(),

mysqli_fetch_array(),

mysqli_fetch_assoc(),

mysqli_fetch_object(),

mysqli_query() и

mysqli_num_rows().

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 ($result = $mysqli->query($query)){

/* seek to row no. 400 */

$result->data_seek(399);

/* fetch row */

$row = $result->fetch_row();

printf ("City: %s Countrycode: %s\n", $row[0], $row[1]);

/* free result set*/

$result->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 (!$link){

printf("Connect failed: %s\n", mysqli_connect_error());

exit();

}

$query = "SELECT Name, CountryCode FROM City ORDER BY Name";

if ($result = mysqli_query($link, $query)){

/* seek to row no. 400 */

mysqli_data_seek($result, 399);

/* fetch row */

$row = mysqli_fetch_row($result);

printf ("City: %s Countrycode: %s\n", $row[0], $row[1]);

/* free result set*/

mysqli_free_result($result);

}

/* close connection */

mysqli_close($link);

?>

Результат выполнения данного примера:

City: Benin City Countrycode: NGA

Пред.

Начало

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mysqli_connect

Уровень выше

mysqli_debug

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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