'', 'body' => '');
$pass = isset($vars['pass']) ? $vars['pass'] : NULL;
$msg = $body = '';
if (is_freeze($page)) {
// Freezed already
$msg = & $_title_isfreezed;
$body = str_replace('$1', htmlsc(strip_bracket($page)),
$_title_isfreezed);
} else if ($pass !== NULL && pkwk_login($pass)) {
// Freeze
$postdata = get_source($page);
array_unshift($postdata, "#freeze\n");
file_write(DATA_DIR, $page, join('', $postdata), TRUE);
// Update
is_freeze($page, TRUE);
$vars['cmd'] = 'read';
$msg = & $_title_freezed;
$body = '';
} else {
// Show a freeze form
$msg = & $_title_freeze;
$s_page = htmlsc($page);
$body = ($pass === NULL) ? '' : "$_msg_invalidpass
\n";
$body .= <<$_msg_freezing
EOD;
}
return array('msg'=>$msg, 'body'=>$body);
}