mysqli_stmt::fetch, mysqli_stmt_fetch

• mysqli_stmt::fetch

  mysqli_stmt_fetch

  Fetch results from a prepared statement into the bound variables

Description

Object oriented stylebool mysqli_stmt::fetch();

Procedural stylebool mysqli_stmt_fetch(mysqli_stmt stmt);

Fetch the result from a prepared statement into the variables bound by mysqli_stmt_bind_result.Note

Note that all columns must be bound by the application before calling mysqli_stmt_fetch.Note

Data are transferred unbuffered without calling mysqli_stmt_store_result which can decrease performance (but reduces memory cost).

Parameters

stmt

Procedural style only: A statement identifier returned by mysqli_stmt_init.

Return Values

Table 20.19. Return Values

Value	Description
TRUE	Success. Data has been fetched
FALSE	Error occurred
NULL	No more rows/data exists or data truncation occurred

Examples

Example 20.158. Object oriented style

<?php
$mysqli = new mysqli('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
 printf('Connect failed: %s\n', mysqli_connect_error());
 exit();
}
$query = 'SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 150,5';
if ($stmt = $mysqli->prepare($query)) {
 /* execute statement */
 $stmt->execute();
 /* bind result variables */
 $stmt->bind_result($name, $code);
 /* fetch values */
 while ($stmt->fetch()) {
 printf ('%s (%s)\n', $name, $code);
 }
 /* close statement */
 $stmt->close();
}
/* close connection */
$mysqli->close();
?>

Example 20.159. Procedural style

<?php
$link = mysqli_connect('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
 printf('Connect failed: %s\n', mysqli_connect_error());
 exit();
}
$query = 'SELECT Name, CountryCode FROM City ORDER by ID DESC LIMIT 150,5';
if ($stmt = mysqli_prepare($link, $query)) {
 /* execute statement */
 mysqli_stmt_execute($stmt);
 /* bind result variables */
 mysqli_stmt_bind_result($stmt, $name, $code);
 /* fetch values */
 while (mysqli_stmt_fetch($stmt)) {
 printf ('%s (%s)\n', $name, $code);
 }
 /* close statement */
 mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>

The above examples will output:

Rockford (USA)
Tallahassee (USA)
Salinas (USA)
Santa Clarita (USA)
Springfield (USA)

See Also

mysqli_prepare

mysqli_stmt_errno

mysqli_stmt_error

mysqli_stmt_bind_result

Retornar