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

Description

Procedural style:

mixed mysqli_stmt_fetch ( mysqli_stmt stmt )

Object oriented style (method):

class mysqli_stmt {

mixed 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

ValueDescription
TRUESuccess. Data has been fetched
FALSEError occured
NULLNo more rows/data exists

参见

mysqli_prepare(), mysqli_stmt_errno(), mysqli_stmt_error()mysqli_stmt_bind_result().

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();
?>

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);
?>

上例将输出:

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