PHP简单防刷计数器_PHP教程

require_once('config.php');
function counter()
{
session_start();
$sql="select counter from counter";
$result=@mysql_query($sql);
if(!empty($result))
{
$row=mysql_fetch_array($result);
$counter=++$row[counter];
if(!$_SESSION['counter'])
{
$query="update counter set counter=$counter";
$result=@mysql_query($query);
if($result)
{
$_SESSION['counter']=true;
}
}
$counter_len=strlen($counter);
for($i=0;$i<$counter_len;$i++)
{
$number=substr($counter,$i,1);
if(isset($number))
{
echo "";
}
}
}
}
?>

http://www.bkjia.com/PHPjc/371604.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/371604.htmlTechArticle?php require_once('config.php'); function counter() { session_start(); $sql=select counter from counter; $result=@mysql_query($sql); if(!empty($result)) { $row=mysql_fetch_array($r...