Copyright 1997-2021 the PHP Documentation Group.
mysqli_stmt::fetch
mysqli_stmt_fetch
Fetch results from a prepared statement into the bound variables
Description
Object oriented style
public bool|null mysqli_stmt::fetch();
Procedural style
bool|null mysqli_stmt_fetch(mysqli_stmt statement);
Fetch the result from a prepared statement into the variables
bound by
mysqli_stmt_bind_result
.
Note that all columns must be bound by the application before
calling
mysqli_stmt_fetch
.
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 7.15 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 7.91 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 7.92 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
|