Seeks to an arbitrary row in statement result set

# mysqli_stmt::data_seek

# mysqli_stmt_data_seek

(PHP 5, PHP 7)

mysqli_stmt::data_seek -- mysqli_stmt_data_seek — Seeks to an arbitrary row in statement result set

### Descrierea

Stil obiect-orientat

mysqli_stmt::data_seek ( int `$offset` ) : void

Stil procedural

mysqli_stmt_data_seek ( mysqli_stmt `$stmt` , int `$offset` ) : void

Seeks to an arbitrary result pointer in the statement result set.

mysqli_stmt_store_result() must be called prior to mysqli_stmt_data_seek().

### Parametri

`stmt`

  Numai stilul procedural: Un identificator al declarației întors de mysqli_stmt_init().

`offset`

  Must be between zero and the total number of rows minus one (0.. mysqli_stmt_num_rows() - 1).

### Valorile întoarse

Nu este întoarsă nici o valoare.

### Exemple

Example #1 Stil obiect-orientat

`<?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();
?>`

Example #2 Stil procedural

`<?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);
?>`

Exemplele de mai sus vor afișa:

    City: Benin City  Countrycode: NGA

### A se vedea și

- mysqli_prepare() - Prepare an SQL statement for execution