mysqli_result::data_seek

mysqli_data_seek

(PHP 5)

mysqli_result::data_seek -- mysqli_data_seek — Adjusts the result pointer to an arbitrary row in the result

설명

객체 기반 형식

bool mysqli_result::data_seek ( int $offset )

절차식 형식

bool mysqli_data_seek ( mysqli_result $result , int $offset )

The mysqli_data_seek() function seeks to an arbitrary result pointer specified by the offset in the result set.

인수

result: 순차 형식 전용: mysqli_query()나 mysqli_store_result()나 mysqli_use_result()가 반환한 결과셋 식별자.
offset: The field offset. Must be between zero and the total number of rows minus one (0..mysqli_num_rows() - 1).

반환값

성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

주의

Note:
This function can only be used with buffered results attained from the use of the mysqli_store_result() or mysqli_query() functions.

예제

Example #1 객체 기반 형식


<?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();
?>

Example #2 절차식 형식


<?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);
?>

위 예제들의 출력:

City: Benin City  Countrycode: NGA

참고

mysqli_store_result() - Transfers a result set from the last query
mysqli_fetch_row() - Get a result row as an enumerated array
mysqli_fetch_array() - Fetch a result row as an associative, a numeric array, or both
mysqli_fetch_assoc() - Fetch a result row as an associative array
mysqli_fetch_object() - Returns the current row of a result set as an object
mysqli_query() - Performs a query on the database
mysqli_num_rows() - Gets the number of rows in a result