mysqli_result
PHP Manual

mysqli_result::fetch_row

mysqli_fetch_row

(PHP 5)

mysqli_result::fetch_row -- mysqli_fetch_rowGet a result row as an enumerated array

说明

面向对象风格

mixed mysqli_result::fetch_row ( void )

过程化风格

mixed mysqli_fetch_row ( mysqli_result $result )

Fetches one row of data from the result set and returns it as an enumerated array, where each column is stored in an array offset starting from 0 (zero). Each subsequent call to this function will return the next row within the result set, or NULL if there are no more rows.

参数

result

仅以过程化样式:由 mysqli_query()mysqli_store_result()mysqli_use_result()返回的结果集标识。

返回值

mysqli_fetch_row() returns an array of strings that corresponds to the fetched row or NULL if there are no more rows in result set.

Note: 此函数将 NULL 字段设置为 PHP NULL 值。

范例

Example #1 面向对象风格

<?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 object array */
    
while ($row $result->fetch_row()) {
        
printf ("%s (%s)\n"$row[0], $row[1]);
    }

    
/* free result set */
    
$result->close();
}

/* close connection */
$mysqli->close();
?>

Example #2 过程化风格

<?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 ($row mysqli_fetch_row($result)) {
        
printf ("%s (%s)\n"$row[0], $row[1]);
    }

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

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

以上例程会输出:

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

参见


mysqli_result
PHP Manual