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PHP mysqli_result::data_seek

PHP original manual for mysqli_result::data_seek [ show | php.net ]

mysqli_result::data_seek

mysqli_data_seek

(PHP 5, PHP 7)

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

Description

Object oriented style

bool mysqli_result::data_seek ( int $offset )

Procedural style

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.

Parameters

result

Procedural style only: A result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result().

offset

The field offset. Must be between zero and the total number of rows minus one (0..mysqli_num_rows() - 1).

Return Values

Returns TRUE on success or FALSE on failure.

Notes

Note:

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

Examples

Example #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();
?>

Example #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);
?>

The above examples will output:

City: Benin City  Countrycode: NGA

See Also