edit pages

old/wp-content/plugins/advanced-custom-fields-pro/includes/ajax/class-acf-ajax-upgrade.php

@@ -0,0 +1,55 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+if ( ! class_exists( 'ACF_Ajax_Upgrade' ) ) :
+
+	class ACF_Ajax_Upgrade extends ACF_Ajax {
+
+		/** @var string The AJAX action name */
+		var $action = 'acf/ajax/upgrade';
+
+		/**
+		 * get_response
+		 *
+		 * Returns the response data to sent back.
+		 *
+		 * @date    31/7/18
+		 * @since   5.7.2
+		 *
+		 * @param   array $request The request args.
+		 * @return  mixed The response data or WP_Error.
+		 */
+		function get_response( $request ) {
+
+			// Switch blog.
+			if ( isset( $request['blog_id'] ) ) {
+				switch_to_blog( $request['blog_id'] );
+			}
+
+			// Bail early if no upgrade avaiable.
+			if ( ! acf_has_upgrade() ) {
+				return new WP_Error( 'upgrade_error', __( 'No updates available.', 'acf' ) );
+			}
+
+			// Listen for output.
+			ob_start();
+
+			// Run upgrades.
+			acf_upgrade_all();
+
+			// Store output.
+			$error = ob_get_clean();
+
+			// Return error or success.
+			if ( $error ) {
+				return new WP_Error( 'upgrade_error', $error );
+			}
+			return true;
+		}
+	}
+
+	acf_new_instance( 'ACF_Ajax_Upgrade' );
+endif; // class_exists check