PHP mysqli_free_result () function

PHP MySQLi Reference Manual

Fetch a row from the result, and then release the result of the memory:

<?php 
// 假定数据库用户名：root，密码：123456，数据库：w3big 
$con=mysqli_connect("localhost","root","123456","w3big"); 
if (mysqli_connect_errno($con)) 
{ 
    echo "连接 MySQL 失败: " . mysqli_connect_error(); 
} 

$sql="SELECT name,url FROM websites ORDER BY alexa";

if ($result=mysqli_query($con,$sql))
{
	// 一行行获取
	while ($row=mysqli_fetch_row($result))
	{
		printf ("%s : %s",$row[0],$row[1]);
		echo "<br>";
	}
	// 释放结果集
	mysqli_free_result($result);
}

mysqli_close($con);
?>

Definition and Usage

mysqli_free_result () function to release the results of memory.

grammar

technical details