PHP PrevNextLink函数代码示例

function discuss_list($message = '')
{
    pagetop(gTxt('list_discussions'), $message);
    extract(doSlash(gpsa(array('page', 'crit'))));
    extract(get_prefs());
    $total = safe_count('txp_discuss', "1=1");
    $limit = max(@$comment_list_pageby, 25);
    $numPages = ceil($total / $limit);
    $page = !$page ? 1 : $page;
    $offset = ($page - 1) * $limit;
    $nav[] = $page > 1 ? PrevNextLink("discuss", $page - 1, gTxt('prev'), 'prev') : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("discuss", $page + 1, gTxt('next'), 'next') : '';
    $criteria = $crit ? "message like '%{$crit}%'" : '1=1';
    $rs = safe_rows_start("*, unix_timestamp(posted) as uPosted", "txp_discuss", "{$criteria} order by posted desc limit {$offset}, {$limit}");
    echo pageby_form('discuss', $comment_list_pageby);
    if ($rs) {
        echo '<form action="index.php" method="post" name="longform" onsubmit="return verify(\'' . gTxt('are_you_sure') . '\')">', startTable('list'), assHead('date', 'name', 'message', 'parent', '');
        while ($a = nextRow($rs)) {
            extract($a);
            $dmessage = $visible == SPAM ? short_preview($message) : $message;
            $date = "" . date("M d, g:ia", $uPosted + tz_offset()) . "";
            $editlink = eLink('discuss', 'discuss_edit', 'discussid', $discussid, $date);
            $cbox = fInput('checkbox', 'selected[]', $discussid);
            $tq = fetch('Title', 'textpattern', 'ID', $parentid);
            $parent = !$tq ? gTxt('article_deleted') : $tq;
            echo assRow(array($editlink => 100, $name => 100, $dmessage => 250, $parent => 100, $cbox => 20), ' class="' . ($visible == VISIBLE ? 'visible' : ($visible == SPAM ? 'spam' : 'moderate')) . '"');
        }
        echo tr(tda(select_buttons() . discuss_multiedit_form(), ' colspan="5" style="text-align:right;border:0px"'));
        echo endTable() . '</form>';
        echo startTable('edit'), tr(td(form(fInput('text', 'crit', '', 'edit') . fInput('submit', 'search', gTxt('search'), 'smallbox') . eInput("discuss") . sInput("list"))) . td(graf(join('', $nav)))) . tr(tda(graf('<a href="index.php?event=discuss' . a . 'step=ipban_list">' . gTxt('list_banned_ips') . '</a>'), ' colspan="2" align="center" valign="middle"')), endTable();
    } else {
        echo graf(gTxt('no_comments_recorded'), ' align="center"');
    }
}

function log_list()
{
    pagetop(gTxt('visitor_logs'));
    extract(get_prefs());
    safe_delete("txp_log", "`time` < date_sub(now(),interval " . $expire_logs_after . " day)");
    safe_optimize("txp_log");
    safe_repair("txp_log");
    $page = gps('page');
    $total = getCount('txp_log', "1");
    $limit = 50;
    $numPages = ceil($total / $limit);
    $page = !$page ? 1 : $page;
    $offset = ($page - 1) * $limit;
    $nav[] = $page > 1 ? PrevNextLink("log", $page - 1, gTxt('prev'), 'prev') : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("log", $page + 1, gTxt('next'), 'next') : '';
    $rs = safe_rows_start("*, unix_timestamp(time) as stamp", "txp_log", "1 order by time desc limit {$offset},{$limit}");
    if ($rs) {
        echo startTable('list'), assHead('time', 'host', 'page', 'referrer');
        $stamp = '';
        while ($a = nextRow($rs)) {
            extract($a);
            if ($refer) {
                $referprint = preg_replace("/^www\\./", "", chunk(htmlspecialchars($refer), 50));
                $referprint = '<a href="http://' . htmlspecialchars($refer) . '">' . $referprint . '</a>';
            } else {
                $referprint = '&#160;';
            }
            $pageprint = preg_replace('/\\/$/', '', htmlspecialchars(substr($page, 1)));
            $pageprint = $pageprint == '' ? '' : '<a href="' . htmlspecialchars($page) . '" target="_blank">' . chunk($pageprint, 50) . '</a>';
            if ($method == 'POST') {
                $pageprint = '<b>' . $pageprint . '</b>';
            }
            $fstamp = date("n/j g:i a", $stamp + tz_offset());
            $hostprint = chunk($host, 40);
            echo tr(td($fstamp) . td($hostprint) . td($pageprint) . td($referprint));
            unset($refer, $referprint, $page, $pageprint);
        }
        echo '<tr><td colspan="4" align="right" style="padding:10px">', join('', $nav), "</td></tr>", endTable();
    } else {
        echo graf(gTxt('no_refers_recorded'), ' align="center"');
    }
}

function image_list($message = '')
{
    global $txpcfg, $extensions, $path_from_root, $img_dir;
    $pfr = $path_from_root;
    extract($txpcfg);
    extract(get_prefs());
    pagetop(gTxt('image'), $message);
    echo pageby_form('image', $article_list_pageby);
    echo startTable('list'), tr(tda(upload_form(gTxt('upload_file'), gTxt('upload'), 'image_insert'), ' colspan="4" style="border:0"')), tr(hCell(ucfirst(gTxt('name'))) . hCell(gTxt('image_category')) . hCell(gTxt('tags')) . hCell(gTxt('author')) . hCell(gTxt('thumbnail')) . hCell());
    $page = gps('page');
    $total = getCount('txp_image', "1");
    $limit = 15;
    $numPages = ceil($total / $limit);
    $page = !$page ? 1 : $page;
    $offset = ($page - 1) * $limit;
    $nav[] = $page > 1 ? PrevNextLink("image", $page - 1, gTxt('prev'), 'prev') : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("image", $page + 1, gTxt('next'), 'next') : '';
    $rs = safe_rows("*", "txp_image", "1 order by category,name limit {$offset},{$limit}");
    if ($rs) {
        foreach ($rs as $a) {
            extract($a);
            $thumbnail = $thumbnail ? '<img src="' . $pfr . $img_dir . '/' . $id . 't' . $ext . '" />' : gTxt('no');
            $elink = eLink('image', 'image_edit', 'id', $id, $name);
            $txtilelink = '<a target="_blank" href="?event=tag' . a . 'name=image' . a . 'id=' . $id . a . 'ext=' . $ext . a . 'alt=' . $alt . a . 'h=' . $h . a . 'w=' . $w . a . 'type=textile" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">Textile</a>';
            $txplink = '<a target="_blank" href="?event=tag' . a . 'name=image' . a . 'id=' . $id . a . 'type=textpattern" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">Textpattern</a>';
            $xhtmlink = '<a target="_blank" href="?event=tag' . a . 'name=image' . a . 'id=' . $id . a . 'ext=' . $ext . a . 'h=' . $h . a . 'w=' . $w . a . 'type=xhtml" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">XHTML</a>';
            $dlink = dLink('image', 'image_delete', 'id', $id);
            echo tr(td($elink) . td($category) . td($txtilelink . ' / ' . $txplink . ' / ' . $xhtmlink) . td($author) . td($thumbnail) . td($dlink, 10));
        }
        echo tr(tdcs(graf(join('', $nav)), 4));
    }
    echo endTable();
    $imgdir = $doc_root . $path_from_root . $img_dir;
    if (!is_dir($imgdir) or !is_writeable($imgdir)) {
        echo graf(str_replace("{imgdir}", $imgdir, gTxt('img_dir_not_writeable')), ' style="text-align:center;color:red"');
    }
}

function link_list($message = "")
{
    global $step, $link_list_pageby;
    extract(get_prefs());
    $page = gps('page');
    $total = getCount('txp_link', "1");
    $limit = $link_list_pageby;
    $numPages = ceil($total / $limit);
    $page = !$page ? 1 : $page;
    $offset = ($page - 1) * $limit;
    $sort = gps('sort');
    $dir = gps('dir');
    $sort = $sort ? $sort : 'linksort';
    $dir = $dir ? $dir : 'asc';
    if ($dir == "desc") {
        $dir = "asc";
    } else {
        $dir = "desc";
    }
    $nav[] = $page > 1 ? PrevNextLink("link", $page - 1, gTxt('prev'), 'prev') : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("link", $page + 1, gTxt('next'), 'next') : '';
    $rs = safe_rows("*", "txp_link", "1 order by {$sort} {$dir} limit {$offset},{$limit}");
    if ($rs) {
        echo '<form action="index.php" method="post" onsubmit="return verify(\'' . gTxt('are_you_sure') . '\')">', startTable('list'), tr(column_head('link_name', 'linksort', 'link', 1, $dir) . column_head('description', 'description', 'link', 1, $dir) . column_head('link_category', 'category', 'link', 1, $dir) . td());
        foreach ($rs as $a) {
            extract($a);
            $elink = eLink('link', 'link_edit', 'id', $id, $linkname);
            $cbox = fInput('checkbox', 'selected[]', $id);
            echo tr(td($elink) . td($description) . td($category) . td($cbox));
        }
        echo tr(tda(link_multiedit_form(), ' colspan="4" style="border:0px;text-align:right"'));
        echo endTable(), '</form>';
        echo pageby_form('link', $link_list_pageby);
        echo graf(join('', $nav), ' align="center"');
    }
}

function nav_form($event, $page, $numPages, $sort, $dir, $crit, $search_method, $total = 0, $limit = 0)
{
    if ($crit && $total > 1) {
        $out[] = messenger(gTxt('showing_search_results', array('{from}' => ($page - 1) * $limit + 1, '{to}' => min($total, $page * $limit), '{total}' => $total)));
    }
    if ($numPages > 1) {
        $option_list = array();
        for ($i = 1; $i <= $numPages; $i++) {
            if ($i == $page) {
                $option_list[] = '<option value="' . $i . '" selected="selected">' . "{$i}/{$numPages}" . '</option>';
            } else {
                $option_list[] = '<option value="' . $i . '">' . "{$i}/{$numPages}" . '</option>';
            }
        }
        $nav = array();
        $nav[] = $page > 1 ? PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir, $crit, $search_method) . sp : tag('&#8249; ' . gTxt('prev'), 'span', ' class="navlink-disabled"') . sp;
        $nav[] = '<select name="page" class="list" onchange="submit(this.form);">';
        $nav[] = n . join(n, $option_list);
        $nav[] = n . '</select>';
        $nav[] = '<noscript> <input type="submit" value="' . gTxt('go') . '" class="smallerbox" /></noscript>';
        $nav[] = $page != $numPages ? sp . PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir, $crit, $search_method) : sp . tag(gTxt('next') . ' &#8250;', 'span', ' class="navlink-disabled"');
        $out[] = '<form class="prev-next" method="get" action="index.php">' . n . eInput($event) . ($sort ? n . hInput('sort', $sort) . n . hInput('dir', $dir) : '') . ($crit ? n . hInput('crit', $crit) . n . hInput('search_method', $search_method) : '') . join('', $nav) . '</form>';
    } else {
        $out[] = graf($page . '/' . $numPages, ' class="prev-next"');
    }
    return join(n, $out);
}

 function nav_form($event, $page, $numPages, $sort, $dir, $crit, $search_method)
 {
     if ($numPages > 1) {
         $option_list = array();
         for ($i = 1; $i <= $numPages; $i++) {
             if ($i == $page) {
                 $option_list[] = '<option value="' . $i . '" selected="selected">' . "{$i}/{$numPages}" . '</option>';
             } else {
                 $option_list[] = '<option value="' . $i . '">' . "{$i}/{$numPages}" . '</option>';
             }
         }
         $nav = array();
         $nav[] = $page > 1 ? PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir, $crit, $search_method) . sp : tag('&#8249; ' . gTxt('prev'), 'span', ' class="navlink-disabled"') . sp;
         $nav[] = '<select name="page" class="list" onchange="submit(this.form);">';
         $nav[] = n . join(n, $option_list);
         $nav[] = n . '</select>';
         $nav[] = '<noscript> <input type="submit" value="' . gTxt('go') . '" class="smallerbox" /></noscript>';
         $nav[] = $page != $numPages ? sp . PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir, $crit, $search_method) : sp . tag(gTxt('next') . ' &#8250;', 'span', ' class="navlink-disabled"');
         return '<div style="text-align: center; margin-top: 1em;"><form class="prev-next" method="get" action="index.php">' . n . eInput($event) . ($sort ? n . hInput('sort', $sort) . n . hInput('dir', $dir) : '') . ($crit ? n . hInput('crit', $crit) . n . hInput('search_method', $search_method) : '') . join('', $nav) . '</form></div>';
     } else {
         return '<div style="text-align: center; margin-top: 1em;">' . graf($page . '/' . $numPages, ' class="prev-next"') . '</div>';
     }
 }

/**
 * Render a page navigation form.
 *
 * @param	string	$event	Event
 * @param	integer	$page	Current page number
 * @param	integer	$numPages	Total pages
 * @param	string	$sort	Sort criterion
 * @param	string	$dir	Sort direction, either "asc" or "desc"
 * @param	string	$crit	Search criterion
 * @param	string	$search_method	Search method
 * @param	integer	$total	Total search term hit count [0]
 * @param	integer	$limit	First visible search term hit number [0]
 * @param	string	$step	Step
 * @return	string	HTML
 */
function nav_form($event, $page, $numPages, $sort, $dir, $crit, $search_method, $total = 0, $limit = 0, $step = 'list')
{
    global $theme;
    if ($crit != '' && $total > 1) {
        $out[] = $theme->announce(gTxt('showing_search_results', array('{from}' => ($page - 1) * $limit + 1, '{to}' => min($total, $page * $limit), '{total}' => $total)));
    }
    if ($numPages > 1) {
        $option_list = array();
        for ($i = 1; $i <= $numPages; $i++) {
            if ($i == $page) {
                $option_list[] = '<option value="' . $i . '" selected="selected">' . "{$i}/{$numPages}" . '</option>';
            } else {
                $option_list[] = '<option value="' . $i . '">' . "{$i}/{$numPages}" . '</option>';
            }
        }
        $nav = array();
        $nav[] = $page > 1 ? PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir, $crit, $search_method, $step) . sp : tag(gTxt('prev'), 'span', ' class="navlink-disabled"') . sp;
        $nav[] = '<select name="page" onchange="submit(this.form);">';
        $nav[] = n . join(n, $option_list);
        $nav[] = n . '</select>';
        $nav[] = $page != $numPages ? sp . PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir, $crit, $search_method, $step) : sp . tag(gTxt('next'), 'span', ' class="navlink-disabled"');
        $out[] = '<form class="nav-form" method="get" action="index.php">' . n . eInput($event) . n . sInput($step) . ($sort ? n . hInput('sort', $sort) . n . hInput('dir', $dir) : '') . ($crit != '' ? n . hInput('crit', $crit) . n . hInput('search_method', $search_method) : '') . '<p class="prev-next">' . join('', $nav) . '</p>' . n . tInput() . n . '</form>';
    } else {
        $out[] = graf($page . '/' . $numPages, ' class="prev-next"');
    }
    return join(n, $out);
}

function file_list($message = '')
{
    global $txpcfg, $extensions, $file_base_path;
    extract($txpcfg);
    extract(get_prefs());
    pagetop(gTxt('file'), $message);
    $page = gps('page');
    $total = getCount('txp_file', "1=1");
    $limit = max(@$file_list_pageby, 25);
    $numPages = ceil($total / $limit);
    $page = !$page ? 1 : $page;
    $offset = ($page - 1) * $limit;
    $sort = gps('sort');
    $dir = gps('dir');
    $sort = $sort ? $sort : 'filename';
    $dir = $dir ? $dir : 'desc';
    if ($dir == "desc") {
        $dir = "asc";
    } else {
        $dir = "desc";
    }
    $existing_files = get_filenames();
    echo startTable('list'), tr(tda(file_upload_form(gTxt('upload_file'), 'upload', 'file_insert'), ' colspan="4" style="border:0"')), count($existing_files) > 0 ? tr(tda(form(graf(gTxt('existing_file') . sp . selectInput('filename', $existing_files, "", 1) . sp . fInput('submit', '', gTxt('Create'), 'smallerbox') . sp . eInput('file') . sInput('file_create'))), ' colspan="4" style="border:0"')) : '', tr(column_head('Id', 'id', 'file', 1, $dir) . column_head('file_name', 'filename', 'file', 1, $dir) . td(gTxt('status')) . td(gTxt('tags')) . column_head('file_category', 'category', 'file', 1, $dir) . column_head('description', 'description', 'file', 1, $dir) . column_head('downloads', 'downloads', 'file', 1, $dir) . td());
    $nav[] = $page > 1 ? PrevNextLink("file", $page - 1, gTxt('prev'), 'prev') : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("file", $page + 1, gTxt('next'), 'next') : '';
    $rs = safe_rows_start("*", "txp_file", "1=1 order by {$sort} {$dir} limit {$offset}, {$limit}");
    if ($rs) {
        while ($a = nextRow($rs)) {
            extract($a);
            // does the downloads column exist?
            if (!isset($downloads)) {
                // nope, add it
                safe_alter("txp_file", "ADD downloads INT DEFAULT '0' NOT NULL");
                $downloads = 0;
            } else {
                if (empty($downloads)) {
                    $downloads = '0';
                }
            }
            $elink = eLink('file', 'file_edit', 'id', $id, $filename);
            $dlink = dLink('file', 'file_delete', 'id', $id);
            //Add tags helper
            $txtilelink = '<a target="_blank" href="?event=tag' . a . 'name=file' . a . 'id=' . $id . a . 'description=' . urlencode($description) . a . 'filename=' . urlencode($filename) . a . 'type=textile" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">Textile</a>';
            $txplink = '<a target="_blank" href="?event=tag' . a . 'name=file' . a . 'id=' . $id . a . 'description=' . urlencode($description) . a . 'filename=' . urlencode($filename) . a . 'type=textpattern" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">Textpattern</a>';
            $xhtmlink = '<a target="_blank" href="?event=tag' . a . 'name=file' . a . 'id=' . $id . a . 'description=' . urlencode($description) . a . 'filename=' . urlencode($filename) . a . 'type=xhtml" onclick="window.open(this.href, \'popupwindow\', \'width=400,height=400,scrollbars,resizable\'); return false;">XHTML</a>';
            $file_exists = file_exists(build_file_path($file_base_path, $filename));
            $missing = '<span style="color:';
            $missing .= $file_exists ? 'green' : 'red';
            $missing .= '">';
            $missing .= $file_exists ? gTxt('file_status_ok') : gTxt('file_status_missing');
            $missing .= '</span>';
            $downloadlink = $file_exists ? make_download_link($id, $filename, $id) : $id;
            echo tr(td($downloadlink) . td($elink) . td($missing) . td($txtilelink . ' / ' . $txplink . ' / ' . $xhtmlink) . td($category, 90) . td($description, 150) . td($downloads == '0' ? " 0" : $downloads, 20) . td($dlink, 10));
        }
        echo tr(tdcs(graf(join('', $nav)), 4));
    }
    echo endTable();
    echo pageby_form('file', $file_list_pageby);
    if (!is_dir($file_base_path) or !is_writeable($file_base_path)) {
        echo graf(str_replace("{filedir}", $file_base_path, gTxt('file_dir_not_writeable')), ' style="text-align:center;color:red"');
    }
}

function list_nav_form($page, $numPages, $sort, $dir)
{
    $nav[] = $page > 1 ? PrevNextLink("list", $page - 1, gTxt('prev'), 'prev', $sort, $dir) : '';
    $nav[] = sp . small($page . '/' . $numPages) . sp;
    $nav[] = $page != $numPages ? PrevNextLink("list", $page + 1, gTxt('next'), 'next', $sort, $dir) : '';
    if ($nav) {
        return graf(join('', $nav), ' align="center"');
    }
}

/**
 * Renders a page navigation form.
 *
 * @param  string $event         Event
 * @param  int    $page          Current page number
 * @param  int    $numPages         Total pages
 * @param  string $sort          Sort criterion
 * @param  string $dir           Sort direction, either "asc" or "desc"
 * @param  string $crit          Search criterion
 * @param  string $search_method Search method
 * @param  int    $total         Total search term hit count [0]
 * @param  int    $limit         First visible search term hit number [0]
 * @param  string $step             Step
 * @param  int    $list          Number of displayed page links discounting jump links, previous and next
 * @return string HTML
 */
function nav_form($event, $page, $numPages, $sort = '', $dir = '', $crit = '', $search_method = '', $total = 0, $limit = 0, $step = 'list', $list = 5)
{
    $out = array();
    if ($crit != '' && $total > 1) {
        $out[] = announce(gTxt('showing_search_results', array('{from}' => ($page - 1) * $limit + 1, '{to}' => min($total, $page * $limit), '{total}' => $total)), TEXTPATTERN_ANNOUNCE_REGULAR);
    }
    if ($numPages > 1) {
        $nav = array();
        $list--;
        $page = max(min($page, $numPages), 1);
        $start = max(1, min($numPages - $list, $page - floor($list / 2)));
        $end = min($numPages, $start + $list);
        $parameters = array('event' => $event, 'step' => $step, 'dir' => $dir, 'crit' => $crit, 'search_method' => $search_method);
        // Previous page.
        if ($page > 1) {
            $nav[] = PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir, $crit, $search_method, $step);
        } else {
            $nav[] = span(gTxt('prev'), array('class' => 'navlink-disabled', 'aria-disabled' => 'true'));
        }
        // Jump to the first page.
        if ($start > 1) {
            $nav[] = href(1, $parameters + array('page' => 1), array('class' => 'navlink'));
        }
        // Jump to mid.
        if ($start > 2) {
            $between = ceil($start / 2);
            $nav[] = href('…', $parameters + array('page' => $between), array('class' => 'navlink', 'title' => $between));
        }
        // Page links.
        for ($i = $start; $i <= $end; $i++) {
            if ($i == $page) {
                $class = 'navlink-active';
            } else {
                $class = 'navlink';
            }
            $nav[] = href($i, $parameters + array('page' => $i), array('class' => $class));
        }
        // Jump to mid.
        if ($end < $numPages - 1) {
            $between = $end + floor(($numPages - $end) / 2);
            $nav[] = href('&#8230;', $parameters + array('page' => $between), array('class' => 'navlink', 'title' => $between));
        }
        // Jump to the last page.
        if ($end < $numPages) {
            $nav[] = href($numPages, $parameters + array('page' => $numPages), array('class' => 'navlink'));
        }
        // Next page.
        if ($page < $numPages) {
            $nav[] = PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir, $crit, $search_method, $step);
        } else {
            $nav[] = span(gTxt('next'), array('class' => 'navlink-disabled', 'aria-disabled' => 'true'));
        }
        $out[] = n . tag(tag(join(tag_end('li') . tag_start('li'), $nav), 'li'), 'ul', array('class' => 'nav-tertiary prev-next'));
    }
    return join('', $out);
}

 function nav_form($event, $page, $numPages, $sort, $dir, $crit, $method)
 {
     if (function_exists('nav_form')) {
         return nav_form($event, $page, $numPages, $sort, $dir, $crit, $method);
     }
     // This is basically stolen from the 4.0.3 version of includes/txp_list.php
     // - list_nav_form() for 4.0.3 compatibitly
     $nav[] = $page > 1 ? PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir) : '';
     $nav[] = sp . small($page . '/' . $numPages) . sp;
     $nav[] = $page != $numPages ? PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir) : '';
     return $nav ? graf(join('', $nav), ' align="center"') : '';
 }

/**
 * Renders a page navigation form.
 *
 * @param  string $event         Event
 * @param  int    $page          Current page number
 * @param  int    $numPages         Total pages
 * @param  string $sort          Sort criterion
 * @param  string $dir           Sort direction, either "asc" or "desc"
 * @param  string $crit          Search criterion
 * @param  string $search_method Search method
 * @param  int    $total         Total search term hit count [0]
 * @param  int    $limit         First visible search term hit number [0]
 * @param  string $step             Step
 * @param  int    $list          Number of displayed page links discounting jump links, previous and next
 * @return string HTML
 */
function nav_form($event, $page, $numPages, $sort = '', $dir = '', $crit = '', $search_method = '', $total = 0, $limit = 0, $step = 'list', $list = 5)
{
    $out = array();
    if ($crit != '' && $total > 1) {
        $out[] = announce(gTxt('showing_search_results', array('{from}' => ($page - 1) * $limit + 1, '{to}' => min($total, $page * $limit), '{total}' => $total)), TEXTPATTERN_ANNOUNCE_REGULAR);
    }
    if ($numPages > 1) {
        $nav = array();
        $list--;
        $page = max(min($page, $numPages), 1);
        $start = max(1, min($numPages - $list, $page - floor($list / 2)));
        $end = min($numPages, $start + $list);
        $parameters = array('event' => $event, 'step' => $step, 'dir' => $dir, 'crit' => $crit, 'search_method' => $search_method);
        // Previous page.
        if ($page > 1) {
            $nav[] = n . PrevNextLink($event, $page - 1, gTxt('prev'), 'prev', $sort, $dir, $crit, $search_method, $step);
        } else {
            $nav[] = n . span(span(gTxt('prev'), array('class' => 'ui-icon ui-icon-arrowthick-1-w')), array('class' => 'disabled', 'aria-disabled' => 'true', 'aria-label' => gTxt('prev')));
        }
        $nav[] = form(n . tag(gTxt('page'), 'label', array('for' => 'current-page')) . n . tag_void('input', array('class' => 'current-page', 'id' => 'current-page', 'name' => 'page', 'type' => 'text', 'size' => INPUT_XSMALL, 'inputmode' => 'numeric', 'pattern' => '[0-9]+', 'value' => $page)) . n . gTxt('of') . n . span($numPages, array('class' => 'total-pages')) . eInput($event) . hInput('sort', $sort) . hInput('dir', $dir) . hInput('crit', $crit) . hInput('search_method', $search_method), '', '', 'get');
        // Next page.
        if ($page < $numPages) {
            $nav[] = n . PrevNextLink($event, $page + 1, gTxt('next'), 'next', $sort, $dir, $crit, $search_method, $step);
        } else {
            $nav[] = n . span(span(gTxt('next'), array('class' => 'ui-icon ui-icon-arrowthick-1-e')), array('class' => 'disabled', 'aria-disabled' => 'true', 'aria-label' => gTxt('next')));
        }
        $out[] = n . tag(join($nav) . n, 'nav', array('class' => 'prev-next'));
    }
    return join('', $out);
}