<?php

add_action( 'get_header', 'vg_check_login' );

function vg_check_login() {
    if( is_user_logged_in() ) {
        return;
    }

    remove_action( 'genesis_loop', 'genesis_do_loop' );

    add_action( 'genesis_loop', 'vg_do_custom_loop' );

    add_filter( 'genesis_attr_content', 'vg_add_entry_class' );
}

function vg_do_custom_loop() {
    echo do_shortcode( '[wordpress_social_login]' );
}

function vg_add_entry_class( $attributes ) {
    $attributes['class'] .= ' entry';
    return $attributes;
}

genesis();