<?php
header("Content-type:text/html;charset=utf-8");

$item = array(
    '<a href="./ace/index.html" target="_blank">ACE</a>',
    '<a href="./metronic.bootstrap/index.html" target="_blank">Metronic</a>',
    '<a href="./sb-admin/index.html" target="_blank">SAdmin</a>',
    '<a href="./Metro/index.html" target="_blank">Metro</a>',
    '<a href="./AdminLTE-2.3.7/index.html" target="_blank">AdminLTE</a>'
);

echo implode( '<br/>' , $item );
?>