php+mysqlmysql_fetch_lengths教程_PHP教程

mysql_fetch_lengths的语法.

mysql_fetch_lengths(data)

参数.

data:必选就是mysql_query返回的值

来我们来看看实例.

$sql = "SELECT * from Person WHERE Lastname='Refsnes'";
$result = mysql_query($sql,$con);
print_r(mysql_fetch_row($result));
print_r(mysql_fetch_lengths($result));
?>
输出结果.

Array
(
[0] => Refsnes
[1] => Kai Jim
[2] => Taugata 2
[3] => 22
)
Array
(
[0] => 7
[1] => 7
[2] => 9
[3] => 2
)

http://www.bkjia.com/PHPjc/630896.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/630896.htmlTechArticlemysql_fetch_lengths 的作用是判断mysql_fetch_array （ ） ， mysql_fetch_assoc （ ） ， mysql_fetch_object （ ）或mysql_fetch_row （ ）的长度,如果成功就返回一...