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mysqli_fetch_assoc

(PHP 5 CVS only)

mysqli_fetch_assoc

(no version information, might be only in CVS)

mysqli->fetch_assoc -- Fetch a result row as an associative array

Description

Procedural style:

array mysqli_fetch_assoc ( object result)

Object oriend style (method):

class result {

array fetch_assoc ( void )

}

Returns an associative array that corresponds to the fetched row or NULL if there are no more rows.

The mysqli_fetch_assoc() function is used to return an associative array representing the next row in the result set for the result represented by the result parameter, where each key in the array represents the name of one of the result set's columns.

If two or more columns in the result set have the same column name, the associative array returned by the mysqli_fetch_assoc() function will contain the value of the last column of that name. If you must work with result sets with this properity, the mysqli_fetch_row() should be used which returns an numerically-indexed array instead.

注: 该函数返回的字段名是大小写敏感的。

Return values

Returns an array that corresponds to the fetched row or NULL if there are no more rows in resultset.

See also

mysqli_fetch_array(), mysqli_fetch_row(), mysqli_fetch_object().

Example

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 50,5";

if ($result = $mysqli->query($query)) {

    /* fetch associative array */
    while ($row = $result->fetch_assoc()) {
        printf ("%s (%s)\n", $row["Name"], $row["CountryCode"]);
    }

    /* free result set */
    $result->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 50,5";

if ($result = mysqli_query($link, $query)) {

    /* fetch associative array */
    while ($row = mysqli_fetch_assoc($result)) {
        printf ("%s (%s)\n", $row["Name"], $row["CountryCode"]);
    }

    /* free result set */
    mysqli_free_result($result);
}

/* close connection */
mysqli_close($link);
?>

The above examples would produce the following output: 

Pueblo (USA)
Arvada (USA)
Cape Coral (USA)
Green Bay (USA)
Santa Clara (USA)


后退起点前进
mysqli_fetch_array上一级mysqli_fetch_field_direct