From 44159f1afad3db3dd134ecfd9e661e47fcb12b63 Mon Sep 17 00:00:00 2001
From: Eric Andrew Lewis <ericlewis@git.wordpress.org>
Date: Wed, 10 Feb 2016 14:10:17 +0000
Subject: [PATCH] Menus: Revert larger menu support in Edit Menus screen in
 [36506].

JSON encoding the form as it exists on the page will not scale.

See #14134.


git-svn-id: https://develop.svn.wordpress.org/trunk@36507 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/js/nav-menu.js | 25 -------------------------
 src/wp-admin/nav-menus.php  | 14 --------------
 2 files changed, 39 deletions(-)

diff --git a/src/wp-admin/js/nav-menu.js b/src/wp-admin/js/nav-menu.js
index abff8f937f..264dc574fc 100644
--- a/src/wp-admin/js/nav-menu.js
+++ b/src/wp-admin/js/nav-menu.js
@@ -43,7 +43,6 @@ var wpNavMenu;
 
 			this.attachQuickSearchListeners();
 			this.attachThemeLocationsListeners();
-			this.attachMenuSaveSubmitListeners();
 
 			this.attachTabsPanelListeners();
 
@@ -835,30 +834,6 @@ var wpNavMenu;
 			});
 		},
 
-		attachMenuSaveSubmitListeners : function() {
-			/*
-			 * When a navigation menu is saved, store a JSON representation of all form data
-			 * in a single input to avoid PHP `max_input_vars` limitations. See #14134.
-			 */
-			$('#update-nav-menu').submit(function() {
-				var navMenuData = {};
-				$('#update-nav-menu input').each(function(index, element) {
-					var name = $(element).attr('name');
-					var regex = /(.*)(?:\[(\d+)\])/;
-					if ( regex.test( name ) ) {
-						var matches = regex.exec(name);
-						if ( ! navMenuData[matches[1]] ) {
-							navMenuData[matches[1]] = [];
-						}
-						navMenuData[matches[1]][matches[2]] = $(element).val();
-					} else {
-						navMenuData[name] = $(element).val();
-					}
-				});
-				$('[name="nav-menu-data"]').val( JSON.stringify( navMenuData ) );
-			});
-		},
-
 		attachThemeLocationsListeners : function() {
 			var loc = $('#nav-menu-theme-locations'), params = {};
 			params.action = 'menu-locations-save';
diff --git a/src/wp-admin/nav-menus.php b/src/wp-admin/nav-menus.php
index deac6d2ca4..8f17e03031 100644
--- a/src/wp-admin/nav-menus.php
+++ b/src/wp-admin/nav-menus.php
@@ -49,19 +49,6 @@ $num_locations = count( array_keys( $locations ) );
 // Allowed actions: add, update, delete
 $action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
 
-/*
- * If a JSON blob of navigation menu data is found, expand it and inject it
- * into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
- */
-if ( isset( $_POST['nav-menu-data'] ) ) {
-	$data = json_decode( stripslashes( $_POST['nav-menu-data'] ) );
-	if ( ! is_null( $data ) && $data ) {
-		foreach ( $data as $post_var => $post_data ) {
-			$_POST[$post_var] = $post_data;
-		}
-	}
-}
-
 switch ( $action ) {
 	case 'add-menu-item':
 		check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
@@ -744,7 +731,6 @@ require_once( ABSPATH . 'wp-admin/admin-header.php' );
 		<div id="menu-management">
 			<form id="update-nav-menu" method="post" enctype="multipart/form-data">
 				<div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
-					<input type="hidden" name="nav-menu-data">
 					<?php
 					wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
 					wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );