gpcp-wpml-support.php: Migrated from experimental folder.

Author: sbassah

gp-conditional-pricing/gpcp-wpml-support.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Gravity Perks // Conditional Pricing // Add Support for Choice-based Rules with WPML Translations
+ * https://gravitywiz.com/documentation/gravity-forms-conditional-pricing/
+ *
+ * Experimental Snippet 🧪
+ */
+add_filter( 'gpcp_pricing_logic', function( $pricing_logic, $form ) {
+
+	if ( isset( $GLOBALS['wpml_gfml_tm_api'] ) ) {
+		/**
+		 * GPCP fetches the pricing logic at several points during the page load. We need to translate our pricing
+		 * rules *before* WPML has translated the form. Otherwise, choice-based conditions will not return a
+		 * translation match since the original choice has already been translated. This is relevant to the
+		 * Gravity_Forms_Multilingual::translate_conditional_logic() call below.
+		 */
+		static $wpml_pricing_logic;
+		if ( isset( $wpml_pricing_logic[ $form['id'] ] ) ) {
+			return $wpml_pricing_logic[ $form['id'] ];
+		}
+		foreach ( $pricing_logic as &$field_pricing_logic ) {
+			/**
+			 * WPML's translate_conditional_logic() method only translates the "fields" and "notifications" section
+			 * and it needs the "fields" section to look up fields for conditional logic so... we use "notifications".
+			 */
+			$form['notifications'] = $field_pricing_logic;
+			$form                  = $GLOBALS['wpml_gfml_tm_api']->translate_conditional_logic( $form );
+			$field_pricing_logic   = $form['notifications'];
+		}
+		$wpml_pricing_logic[ $form['id'] ] = $pricing_logic;
+	}
+
+	return $pricing_logic;
+}, 10, 2 );