Default and Conditional Featured Image for WP

default-conditional-featured-image.php

<?php //* You can do without this opening tag

//* Courtesy of http://www.engagewp.com/set-default-conditional-featured-images-wordpress/

/**
 * This snippet requires the Deafult Featured Image plugin to be installed
 * https://wordpress.org/plugins/default-featured-image/
 * It replaces the image you selected as your default with one of your choosing
 * Should be added to the Functionality Plugin
 */

//* Set default post thumbnail
add_filter( 'dfi_thumbnail_id', 'rv_conditional_default_thumbnails' );
function rv_conditional_default_thumbnails( $object_id ) {

	if ( is_singular( 'staff' ) )  { /*Displays featured image for the staff CPT*/

		$object_id = 3020; /*[REPLACEABLE] This is the Image ID*/

	} 
	
	elseif ( is_singular( 'church_directory' ) ) { /*Displays featured image for the staff CPT*/

		$object_id = 3019; /*[REPLACEABLE] This is the Image ID*/

	} 
	
	elseif ( is_singular( 'book' ) ) { /*Displays featured image for the staff CPT*/

		$object_id = 3018; /*[REPLACEABLE] This is the Image ID*/

	}

	return $object_id;

}