<?php
session_start();
$old_sessionid = session_id();
session_regenerate_id();
$new_sessionid = session_id();
echo "Old Session: $old_sessionid<br />";
echo "New Session: $new_sessionid<br />";
print_r($_SESSION);
?>
結果:
Old Session: c5197b63b928872b471f34382cc9a05b
New Session: 93b6e84762973f66b1123ed01573d41a
Array ()
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