Php/func mysqli info

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PHP mysqli info()函数

MySQL PHP MySQLi参考

示例-面向对象的样式

返回有关最后执行的查询的信息:

<?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();

?>



在底部查看程序样式的示例。

定义和用法

info / mysqli_info()函数返回有关上次执行查询的信息。

此函数适用于以下查询类型:

  • 插入...选择...
  • 插入...值(...),(...),(...)
  • 加载数据文件...
  • 更改表...
  • 更新......

句法

面向对象的样式:

$mysqli -> 
  info

程序风格:

mysqli_info(connection)

参数值

参数 描述
connection 需要。指定要使用的MySQL连接

技术细节

返回值: 包含有关最后执行的查询的其他信息的字符串
PHP版本: 5+

示例-程序风格

返回有关最后执行的查询的信息:

<?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);

 ?>



MySQL PHP MySQLi参考