info

❮ PHP MySQLi 参考手册

示例 - 面向对象的样式

返回有关最近执行查询的信息:

<?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();
}

// Perform some queries
$mysqli -> query("CREATE TABLE testPersons LIKE Persons");
$mysqli -> query("INSERT INTO testPersons SELECT * FROM Persons ORDER BY LastName");

echo $mysqli -> info;

$mysqli -> close();
?>

查看底部的程序样式示例。

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定义和用法

info / mysqli_info() 函数返回有关最近执行查询的信息。

该函数作用于下列查询类型:

• INSERT INTO...SELECT...
• INSERT INTO...VALUES (...),(...),(...)
• LOAD DATA INFILE ...
• ALTER TABLE ...
• UPDATE ...

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语法

面向对象的风格:

$mysqli -> info

程序风格:

mysqli_info(connection)

参数值

参数	描述
connection	必需。规定要使用的 MySQL 连接。

技术细节

返回值:	返回一个字符串，包含有关最近执行查询的额外信息。
PHP 版本:	5+

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示例 - 程序样式

返回有关最近执行查询的信息:

<?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();
}

// Perform som queries
mysqli_query($con, "CREATE TABLE testPersons LIKE Persons");
mysqli_query($con, "INSERT INTO testPersons SELECT * FROM Persons ORDER BY LastName");

echo mysqli_info($con);

mysqli_close($con);
?>

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❮ PHP MySQLi 参考手册