PHP mysqli fetch_row() 函数

示例 - 面向对象风格

从结果集中获取行：

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";

if ($result = $mysqli -> query($sql)) {
while ($row = $result -> fetch_row()) {
printf ("%s (%s)\n", $row[0], $row[1]);
}
$result -> free_result();
}

$mysqli -> close();
?>

查看底部的程序样式示例。

定义和用法

fetch_row() / mysqli_fetch_row() 函数从结果集中获取一行并将其作为枚举数组返回。

语法

面向对象风格：

$mysqli_result -> fetch_row()

程序风格：

mysqli_fetch_row( result)

参数值

Parameter	Description
result	Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result()

技术细节

返回值：	返回与所获取的行相对应的字符串数组。如果结果集中没有更多行，则为 NULL
PHP 版本：	5+

示例 - 程序风格

从结果集中获取行：

<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";

if ($result = mysqli_query($con, $sql)) {
// Fetch one and one row
while ($row = mysqli_fetch_row($result)) {
printf ("%s (%s)\n", $row[0], $row[1]);
}
mysqli_free_result($result);
}

mysqli_close($con);
?>

❮ PHP MySQLi 参考