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mysqli_stmt_fetch (PHP 5) mysqli_stmt_fetch (no version information, might be only in CVS) stmt->fetch --
Fetch results from a prepared statement into the bound variables
DescriptionProcedural style: bool mysqli_stmt_fetch ( mysqli_stmt stmt ) Object oriented style (method): class mysqli_stmt { bool fetch ( void ) }
mysqli_stmt_fetch() fetch the result from a prepared
statement into the variables bound by
mysqli_stmt_bind_result().
注:
Note that all columns must be bound by the application before calling
mysqli_stmt_fetch().
返回值表格 1. 返回值 | Value | Description |
|---|
| TRUE | Success. Data has been fetched | | FALSE | Error occured | | NULL | No more rows/data exists or data truncation occurred |
范例例子 1. 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();
?>
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例子 2. 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);
?>
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上例将输出： Rockford (USA)
Tallahassee (USA)
Salinas (USA)
Santa Clarita (USA)
Springfield (USA) |
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