далее
$morearticles = '';
foreach ($id_target as $n) {
$rs = mysql_query("SELECT * FROM cms_articles_post WHERE id = '$n'");
if(mysql_num_rows($rs)){
while ($post = mysql_fetch_assoc($rs)){
$morearticles .= '<a href="/">'.$post['post_title'].'</a>';}
}
}
echo $morearticles;