それでいいんじゃないの？

これは機能しませんか?
$_SESSION[]['id']=$row['id'];
foreach ($_SESSION['id'] as $key=>$value){

echo $value;
}

共有先:
-----解決策---------

<?php<br />
$row['id']='cs';<br />
$_SESSION['id'][]=$row['id'];<br />
foreach ($_SESSION[id] as $value){<br />
echo $value;<br />
}<br />
?>