jim.php

<?php

add_action( 'pre_get_posts', 'jim_filter_cpt_listing_by_author' );
function buddyforms_filter_cpt_listing_by_author( $wp_query_obj ) {
	// First let us check if this is a page. We not want to restrict pages
	if( !isset( $wp_query_obj->query ) || isset( $wp_query_obj->query['page'] ) || 'page' == $wp_query_obj->query['post_type'] ){
		return $wp_query_obj;
	}

	// Check if the user is logged in and display a page to logged off users
	// Just change the page_id to the page you want to display
	// If you want to only restrict a custom post type, move this block to line 23
	if( ! is_user_logged_in() ) {
		$wp_query_obj->set('post_type', 'page' );
		$wp_query_obj->set('page_id', '5455' );
		return $wp_query_obj;
	}

	// If you want to have the Author Only Posts work only with a custom post type uncomment this 3 lines and change "custom post type" to your post type.
	if( ! isset( $wp_query_obj->query['post_type'] ) && 'my-medications-form' != $wp_query_obj->query['post_type'] ){
		return $wp_query_obj;
	}
	
	// Let us get the logged in user
	$current_user = wp_get_current_user();
	// If the user is not administrator or can at lest delete posts show all posts
	if( !current_user_can( 'delete_plugins' ) ){
		return $wp_query_obj->set('author', $current_user->ID );
	}
}