a.php
<?
session_start();
$_SESSION['var1'] = "test";
if (isset($_SESSION['var1']))
{
echo "OK!";
}
?>
b.php
<?
session_start();
echo $_SESSION['var1'];
?>
<?
session_start();
$_SESSION['var1'] = "test";
if (isset($_SESSION['var1']))
{
echo "OK!";
}
?>
b.php
<?
session_start();
echo $_SESSION['var1'];
?>
<?
session_start();
echo $_SESSION['var1'];
?>
<?
session_start();
echo $_SESSION['var1'];
?>