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# 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:

bool mysqli_stmt_data_seek ( object statement, int offset)

Object oriented style (method):

class stmt {
bool 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).

## Return values

成功回傳`TRUE`失敗回傳`FALSE`。

## See also

mysqli_prepare()

## Example

示範 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(); ?>`

示範 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); ?>`

The above examples would produce the following output:

    City: Benin City  Countrycode: NGA

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