Copyright 1997-2021 the PHP Documentation Group.
mysqli_result::data_seek
mysqli_data_seek
Adjusts the result pointer to an arbitrary row in the result
Description
Object oriented style
public 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
ormysqli_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
This function can only be used with buffered results attained
from the use of the
mysqli_store_result
or
mysqli_query
functions.
Examples
Example 7.114 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 7.115 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
mysqli_store_result
|
mysqli_fetch_row
|
mysqli_fetch_array
|
mysqli_fetch_assoc
|
mysqli_fetch_object
|
mysqli_query
|
mysqli_num_rows
|