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mysqli_stmt_fetch
Manuál PHP
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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

Popis

Procedural style:

bool mysqli_stmt_fetch ( mysqli_stmt stmt )

Object oriented style (method):

class mysqli_stmt {

bool fetch ( void )

}

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

Poznámka: Note that all columns must be bound by the application before calling mysqli_stmt_fetch().

Seznam parametrů

stmt

Procedural style only: A statement identifier returned by mysqli_stmt_init().

Návratové hodnoty

Tabulka 1. Návratové hodnoty

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

Příklady

Příklad 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();
?>

Příklad 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);
?>

Výše uvedený příklad vypíše:

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

Viz také

mysqli_prepare()
mysqli_stmt_errno()
mysqli_stmt_error()
mysqli_stmt_bind_result()

PředcházejícíDomůDalší
mysqli_stmt_executeNahoru