- array_values: documentation ( source)
- implode: documentation ( source)
<?php
$output = '';
$rounds = array(
'<a title="cs_assault" href="link1">cs_assault</a>',
'<a title="de_aztec" href="link2">de_aztec</a>'
);
$output .= '<a href="http://google.com">';
$maplist = implode(', ', array_values($rounds));
$output .= '<div class="maplist">' . $maplist . '</div>';
$output .= '</a>';
echo $output;