session_start();
if (!isset($_SESSION["visits"]))
$_SESSION["visits"] = 0;
if ($_SESSION["visits"] > 1){
echo 'visit='.$_SESSION["visits"];
echo "You hit the refresh button!";}
else{
mysql_query(
"INSERT INTO najd_visit( visit_userId, visit_staticId, visit_page,
visit_enterTime)VALUES ('$userId', '$Sid', '$title', '$date') ");
$_SESSION["visits"] = $_SESSION["visits"] + 1;
echo 'visit='.$_SESSION["visits"];
echo "This is my site";
}
To use $_SESSION,你需要打电话session_start()事先在某个地方。
我认为代码应该是这样的:
session_start();
if ( !isset($_SESSION['visited']) )
{
echo "This is your first visit.";
$_SESSION['visited'] = TRUE;
// Do the MySQL query here
} else {
echo "You hit the refresh button.";
}
echo "This is my site.";