PHP mysqli_data_seek() 函数

示例

查找结果集中的第 15 行：

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

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

if ($result=mysqli_query($con,$sql))
{
// Seek to row number 15
mysqli_data_seek($result,14);

// Fetch row
$row=mysqli_fetch_row($result);

printf ("Lastname: %s Age: %s\n", $row[0], $row[1]);

// Free result set
mysqli_free_result($result);
}

mysqli_close($con);
?>

定义和用法

mysqli_data_seek() 函数将结果指针调整为结果集中的任意行。

语法

mysqli_data_seek( result,offset) ;

参数值

Parameter	Description
result	Required. Specifies a result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result()
offset	Required. Specifies the field offset. Must be between 0 and the total number of rows - 1

技术细节

返回值：	成功则为真。失败时为 FALSE
PHP 版本：	5+

❮ PHP MySQLi 参考