Случайная новость из определенной категории

<?php

if( !defined( 'DATALIFEENGINE' ) ) {
    die( "Hacking attempt!" );
}

$list = "1,2"; // < -- ID категорий разделенные запятой, если кат. одна тогда буз запятой, пример: = "1"; OR = "1,2,3";

if( $config['allow_multi_category'] ) {
    $get_cat_m = str_replace ( ",", "|", $list );
    $where_cat = "category regexp '[[:<:]](" . $get_cat_m . ")[[:>:]]'";
} else {
    if( $config['show_sub_cats'] ) {
        $where_cat = "category IN ('" . $get_cat_m . "')";
    } else {
        $where_cat = "category = '{$get_cat_m}'";
    }
}

$rand_post = $db->super_query( "SELECT id, title, category, date, alt_name FROM " . PREFIX . "_post WHERE {$where_cat} ORDER BY RAND() LIMIT 1" );

if( $config['allow_alt_url'] == "yes" ) {
    if( $config['seo_type'] ) {
        if( $rand_post['category'] and $config['seo_type'] == 2 ) {
            $full_link = $config['http_home_url'] . get_url( $rand_post['category'] ) . "/" . $rand_post['id'] . "-" . $rand_post['alt_name'] . ".html";
        } else {
            $full_link = $config['http_home_url'] . $rand_post['id'] . "-" . $rand_post['alt_name'] . ".html";
        }
    } else {
        $full_link = $config['http_home_url'] . date( 'Y/m/d/', $rand_post['date'] ) . $rand_post['alt_name'] . ".html";
    }
} else {
    $full_link = $config['http_home_url'] . "index.php?newsid=" . $rand_post['id'];
}

echo "<a href=\"" . $full_link . "\">" . $rand_post['title'] . "</a>";

?>