$end) {
$temp = $begin;
$begin = $end;
$end = $temp;
}
$page = isset($vars['page']) ? $vars['page'] : '';
$is_page = is_page($page);
// edit
if ($is_pagename = is_pagename($page) && (! $is_page || ! empty($vars['force']))) {
// Ensure page is readable, or show Login UI and exit
ensure_page_writable($page);
$postdata = join('', array_splice($lines, $begin, $end - $begin + 1));
$retvar['msg'] = $_title_edit;
$retvar['body'] = edit_form($vars['page'], $postdata);
$vars['refer'] = $vars['page'];
return $retvar;
}
$begin_select = $end_select = '';
for ($i = 0; $i < count($lines); $i++) {
$line = htmlsc(mb_strimwidth($lines[$i], 0, MAX_LEN, '...'));
$tag = ($i == $begin) ? ' selected="selected"' : '';
$begin_select .= "\n";
$tag = ($i == $end) ? ' selected="selected"' : '';
$end_select .= "\n";
}
$_page = htmlsc($page);
$msg = $tag = '';
if ($is_page) {
$msg = $_err_template_already;
$tag = ''.$_msg_template_force;
} else if ($page != '' && ! $is_pagename) {
$msg = str_replace('$1', $_page, $_err_template_invalid);
}
$s_refer = htmlsc($vars['refer']);
$s_page = ($page == '') ? str_replace('$1', $s_refer, $_msg_template_page) : $_page;
$ret = <<
$_msg_template_start
$_msg_template_end
$tag
EOD;
$retvar['msg'] = ($msg == '') ? $_title_template : $msg;
$retvar['body'] = $ret;
return $retvar;
}