Kodun son hali aşaağıdır. Bizzat hedef sitede test edilmiştir. Premium üyelik ayrıcağılı yapmak isteyen arkadaşlar için kullanışlı ve basit bir sistemdir.

add_action( 'user_register', 'add_premium_field', 10, 1 );
 
    function add_premium_field( $user_id ) {
        add_user_meta($user_id, 'premium_user', 0);
    }
 
    add_action( 'show_user_profile', 'premium_user_profile_fields' );
    add_action( 'edit_user_profile', 'premium_user_profile_fields' );
 
    function premium_user_profile_fields( $user ) { 
        $user_meta = get_userdata(get_current_user_id());
        $user_roles = $user_meta->roles;

        if ( in_array( 'administrator', $user_roles, true ) ) :
        ?>
        <h3><?php _e("Premium Kullanıcı Alanı", "theme_name"); ?></h3>
 
        <table class="form-table">
        <tr>
            <th><label for="premium_user"><?php _e("Premium User"); ?></label></th>
            <td>
                <input type="text" name="premium_user" id="premium_user" value="<?php echo esc_attr( get_the_author_meta( 'premium_user', $user->ID ) ); ?>" class="regular-text" /><br />
                <span class="description"><?php _e("Premium aktif etmek için 1, pasif yapmak için 0 yazın"); ?></span>
            </td>
        </tr>
    <?php 
    endif;  
    }
    add_action( 'personal_options_update', 'save_premium_user_profile_fields' );
    add_action( 'edit_user_profile_update', 'save_premium_user_profile_fields' );
     
    function save_premium_user_profile_fields( $user_id ) {
        if ( !current_user_can( 'edit_user', $user_id ) ) { 
            return false; 
        }
        $user_meta = get_userdata(get_current_user_id());
        $user_roles = $user_meta->roles;

        if ( in_array( 'administrator', $user_roles, true ) ) {
            update_user_meta( $user_id, 'premium_user', $_POST['premium_user'] );
        
        }
         
    }
 
    function premium_ads_css() {
        $checkPremium = get_user_meta( get_current_user_id(), 'premium_user', true );
        if($checkPremium == 1):
        ?>
            <script type="text/javascript">
                $(document).ready(function(){
                  $("ins.adsbygoogle").hide();
                });
            </script>

        <?php
        endif;
    }
    add_action( 'wp_footer', 'premium_ads_css', 100 );