From Zero To SEO Achieving High Rankings Through Coding

$domains = select id, title from domains where processed = 0;
foreach ($domains as $d) {
    $links = get links;
    foreach ($links as $link) {
        $domain = extract from $link['url'];
        if ($domain in [.com .net .org …] && not in [.cn …] && no [viagra cialis …]) {
            insert into domains (title, processed) values ($domain, 0);
            insert into links (url, title, domain_id) values ($link['url'], $link['title'] $d['id']);
        }
    }
    update domains set processed = 1 where id = $d['id'];
}

$links = select url, title from links where url like '%keyword%'

$links = select url, title from links where title like '%keyword%'

$links = select url, title from links where title like '%keyword%'
         and url like '%keyword%'

foreach ($links as $link) {
    if ($link from wordpress) {
        spam $link;
    }
}

foreach ($links as $link) {
    if ($link from wordpress && pingback allowed) {
        PingCrawl $link;
    }
}