gistfile1.php

<?php

ob_start();

/*
 * Prototype : string session_id([string $id])
 * Description : Get and/or set the current session id
 * Source code : ext/session/session.c
 */

echo "*** Testing session_id() : variation ***\n";

$directory = dirname(__FILE__);
$filename = ($directory."/entropy.txt");
file_put_contents($filename, "Hello World!");
ini_set("session.hash_function", 0);

var_dump(session_start());
var_dump(session_id());
var_dump(session_destroy());

// if these 2 lines are moved above the 3 calls to session methods
// above, then the session module works fine without my bugfix because
// these ini settings are never set
ini_set("session.entropy_file", $filename);
ini_set("session.entropy_length", filesize($filename));

ini_set("session.hash_function", 1);
var_dump(session_start());
var_dump(session_id());
var_dump(session_destroy());
var_dump(unlink($filename));

echo "Done";
ob_end_flush();
?>