From ced6b063a3b7cb7f7b33d9eafb356881ca1ea199 Mon Sep 17 00:00:00 2001
From: Dion Hulse <wordpress@dd32.id.au>
Date: Sat, 2 Jan 2016 04:45:22 +0000
Subject: [PATCH] List Tables: When a user has hidden all columns, do not
 override that with the `default_hidden_columns` filter.

Merges [36154] to the 4.4 branch.
Props Compute, jorbin, voldemortensen.
Fixes #35057.

Built from https://develop.svn.wordpress.org/branches/4.4@36155


git-svn-id: http://core.svn.wordpress.org/branches/4.4@36121 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/screen.php | 8 ++++++--
 wp-includes/version.php      | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/wp-admin/includes/screen.php b/wp-admin/includes/screen.php
index 8db0cde433..a320f0e193 100644
--- a/wp-admin/includes/screen.php
+++ b/wp-admin/includes/screen.php
@@ -57,7 +57,9 @@ function get_hidden_columns( $screen ) {
 
 	$hidden = get_user_option( 'manage' . $screen->id . 'columnshidden' );
 
-	if ( ! $hidden ) {
+	$use_defaults = ! is_array( $hidden );
+
+	if ( $use_defaults ) {
 		$hidden = array();
 
 		/**
@@ -75,11 +77,13 @@ function get_hidden_columns( $screen ) {
 	 * Filter the list of hidden columns.
 	 *
 	 * @since 4.4.0
+	 * @since 4.4.1		Added the `use_defaults` parameter.
 	 *
 	 * @param array     $hidden An array of hidden columns.
 	 * @param WP_Screen $screen WP_Screen object of the current screen.
+	 * @param bool      $use_defaults Whether to show the default columns.
 	 */
-	return apply_filters( 'hidden_columns', $hidden, $screen );
+	return apply_filters( 'hidden_columns', $hidden, $screen, $use_defaults );
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a22182bfa0..b488b7f055 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4.1-alpha-36153';
+$wp_version = '4.4.1-alpha-36155';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.