From 565a8f074a022b15d1f996a7774c1ab893f2f60c Mon Sep 17 00:00:00 2001
From: Mykyta Synelnikov <nsinelnikov.work@gmail.com>
Date: Thu, 13 Jul 2023 16:03:28 +0300
Subject: [PATCH] - fixed loading UM forms shortcode twice;

---
 includes/core/class-shortcodes.php | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/includes/core/class-shortcodes.php b/includes/core/class-shortcodes.php
index 30075de4..6c3f1432 100644
--- a/includes/core/class-shortcodes.php
+++ b/includes/core/class-shortcodes.php
@@ -602,12 +602,30 @@ if ( ! class_exists( 'um\core\Shortcodes' ) ) {
 		 * @return string
 		 */
 		public function ultimatemember( $args = array() ) {
-			if ( isset( $args['form_id'] ) ) {
-				$id = $args['form_id'];
-				if ( isset( $this->forms_exist[ $id ] ) && true === $this->forms_exist[ $id ] ) {
-					return '';
+			/**
+			 * Filters variable for disable singleton shortcode loading on the same page.
+			 * Note: Set it to `true` if you need to render the same form twice or more on the same page.
+			 *
+			 * @since 2.6.8
+			 * @hook  um_ultimatemember_shortcode_disable_singleton
+			 *
+			 * @param {bool}  $disable Disabled singleton. By default, it's `false`.
+			 * @param {array} $args    Shortcode arguments.
+			 *
+			 * @return {bool} Disabled singleton or not.
+			 *
+			 * @example <caption>Turn on ability to use ultimatemember shortcode twice.</caption>
+			 * add_filter( 'um_ultimatemember_shortcode_disable_singleton', '__return_true' );
+			 */
+			$disable_singleton_shortcode = apply_filters( 'um_ultimatemember_shortcode_disable_singleton', false, $args );
+			if ( false === $disable_singleton_shortcode ) {
+				if ( isset( $args['form_id'] ) ) {
+					$id = $args['form_id'];
+					if ( isset( $this->forms_exist[ $id ] ) && true === $this->forms_exist[ $id ] ) {
+						return '';
+					}
+					$this->forms_exist[ $id ] = true;
 				}
-				$this->forms_exist[ $id ] = true;
 			}
 
 			return $this->load( $args );