if($_GET['acc']=='validate_cert_key_fuct'){
    if(file_exists('/etc/pki/tls/certs/'.trim($_POST['certificate']))){
        $certificate=shell_exec('cat /etc/pki/tls/certs/'.trim($_POST['certificate']));
        $buscar=array('.cert','.pem',',crt');
        $domain=str_replace($buscar,'',$_POST['certificate']);
        if(file_exists('/etc/pki/tls/private/'.$domain.'.key')){
            $key=shell_exec('cat /etc/pki/tls/private/'.$domain.'.key');
            if(openssl_x509_check_private_key($certificate, $key)==false){
                echo 0;
                die;
            }else{
                echo 1;
                die;
            }
        }else{
            echo 'notexist';
            die;
        }
    }else{
        echo 'notexist';
        die;
    }
}