php的session问题，急求高手解答！

Question

<?php
session_start();
$count=100;
$_session['count']=$count;
echo "<a href="test2.php">here</a>";
?>test2.php:
<?php
session_start();if(isset($_session['count'])
    echo $count;
else
    echo "wrong";
?>改成这样试试

Answer 1

试试<?php
session_register('count');
$count=100;
echo "<a href="test2.php">here</a>";
?>test2.php:
<?php
session_register('count');if(isset($count))
    echo $count;
else
    echo "wrong";
?>

Answer 2

<?php
session_start();
$count=100;
$_session['count']=$count;
echo '<a href="test2.php">here</a>';
?>test2.php:
<?php
session_start();if(isset($_session['count'])
    echo $count;
else
    echo 'wrong';
?>