fetch_row

❮ PHP MySQLi 参考手册

示例 - 面向对象的样式

从结果集中取得行:

<?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。

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定义和用法

fetch_row() / mysqli_fetch_row() 函数从结果集中取得一行，并作为枚举数组返回。

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语法

面向对象的风格:

$mysqli_result -> fetch_row()

程序风格:

mysqli_fetch_row(result)

参数值

参数	描述
result	必需。规定由 mysqli_query()、mysqli_store_result() 或 mysqli_use_result() 返回的结果集标识符。

技术细节

返回值:	返回一个与所取得行相对应的字符串数组。如果在结果集中没有更多的行则返回 NULL。
PHP 版本:	5+

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示例 - 程序样式

从结果集中取得行:

<?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);
?>

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❮ PHP MySQLi 参考手册