Display WPForms entries count

functions.php

<?php
/**
 * Custom shortcode to display WPForms form entries count for a form.
 *
 * Basic usage: [wpf_entries_count id="FORMID" type="TYPE"].
 *
 * @param array $atts Shortcode attributes.
 *
 * @return string
 */
function wpf_entries_count( $atts ) {

	// Pull ID shortcode attributes.
	$atts = shortcode_atts(
		[
			'id'     => '',
			'type' => 'all', // all, unread, read, or starred.
		],
		$atts
	);

	if ( empty( $atts['id'] ) ) {
		return;
	}

	$args = [
		'form_id' => absint( $atts['id'] ),
	];

	if ( $atts['type'] === 'unread' ) {
		$args['viewed'] = '0';
	} elseif( $atts['type'] === 'read' ) {
		$args['viewed'] = '1';
	} elseif ( $atts['type'] === 'starred' ) {
		$args['starred'] = '1';
	}

	return wpforms()->entry->get_entries( $args, true );
	
}
add_shortcode( 'wpf_entries_count', 'wpf_entries_count' );