PHP mysql_data_seek() function tutorial_PHP tutorial

PHP mysql_data_seek() function tutorial

Definition and usage
The mysql_data_seek() function moves the internal row pointer.

The contiguous internal pointer is currently queued as returned by the mysql_query() function.

This function returns TRUE on success, or FALSE on failure.

Grammar

mysql_data_seek(data,row)

参数

data: 从mysql_query数据库查询

rows:查出多少行.

现在我们来看个mysql_data_seek的实例吧.

<?

<pre class="brush:php;toolbar:false">$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
print_r(mysql_fetch_row($result));

mysql_data_seek($result,3);
print_r(mysql_fetch_row($result));

?>

输出的结果.

<pre class="brush:php;toolbar:false">Array
(
[0] => Refsnes
[1] => Kai Jim
[2] => Taugata
)

Array
(
[0] => Refsnes
[1] => Ståle
[2] => Sandnes
)

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