11 files changed, 42 insertions, 23 deletions
diff --git a/phpBB/feed.php b/phpBB/feed.php
index d4dfb15928..e0c0b01db6 100644
--- a/phpBB/feed.php
+++ b/phpBB/feed.php
@@ -165,7 +165,6 @@ if (defined('DEBUG') && request_var('explain', 0) && $auth->acl_get('a_'))
 	header('Content-type: text/html; charset=UTF-8');
 	header('Cache-Control: private, no-cache="set-cookie"');
 	header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
-	header('Pragma: no-cache');
 
 	$mtime = explode(' ', microtime());
 	$totaltime = $mtime[0] + $mtime[1] - $starttime;
diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index 8f9c155ffc..0c52f82459 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -269,7 +269,7 @@ class acp_database
 									break;
 								}
 
-								header('Pragma: no-cache');
+								header('Cache-Control: private, no-cache');
 								header("Content-Type: $mimetype; name=\"$name\"");
 								header("Content-disposition: attachment; filename=$name");
 
@@ -510,7 +510,7 @@ class base_extractor
 		if ($download == true)
 		{
 			$name = $filename . $ext;
-			header('Pragma: no-cache');
+			header('Cache-Control: private, no-cache');
 			header("Content-Type: $mimetype; name=\"$name\"");
 			header("Content-disposition: attachment; filename=$name");
 
diff --git a/phpBB/includes/acp/acp_icons.php b/phpBB/includes/acp/acp_icons.php
index 028025b547..9265415dd1 100644
--- a/phpBB/includes/acp/acp_icons.php
+++ b/phpBB/includes/acp/acp_icons.php
@@ -737,7 +737,7 @@ class acp_icons
 				{
 					garbage_collection();
 
-					header('Pragma: public');
+					header('Cache-Control: public');
 
 					// Send out the Headers
 					header('Content-Type: text/x-delimtext; name="' . $mode . '.pak"');
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 9e1e1cae0e..cf4e64451f 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -5068,7 +5068,6 @@ function page_header($page_title = '', $display_online_list = false, $item_id =
 		'Content-type' => 'text/html; charset=UTF-8',
 		'Cache-Control' => 'private, no-cache="set-cookie"',
 		'Expires' => gmdate('D, d M Y H:i:s', time()) . ' GMT',
-		'Pragma' => 'no-cache',
 	);
 	if (!empty($user->data['is_bot']))
 	{
diff --git a/phpBB/includes/functions_acp.php b/phpBB/includes/functions_acp.php
index da8d756db9..e30c6da505 100644
--- a/phpBB/includes/functions_acp.php
+++ b/phpBB/includes/functions_acp.php
@@ -113,7 +113,6 @@ function adm_page_header($page_title)
 		'Content-type' => 'text/html; charset=UTF-8',
 		'Cache-Control' => 'private, no-cache="set-cookie"',
 		'Expires' => gmdate('D, d M Y H:i:s', time()) . ' GMT',
-		'Pragma' => 'no-cache',
 	);
 
 	/**
diff --git a/phpBB/includes/functions_compress.php b/phpBB/includes/functions_compress.php
index 6ed69d6928..a7ee29dd91 100644
--- a/phpBB/includes/functions_compress.php
+++ b/phpBB/includes/functions_compress.php
@@ -509,7 +509,7 @@ class compress_zip extends compress
 
 		$mimetype = 'application/zip';
 
-		header('Pragma: no-cache');
+		header('Cache-Control: private, no-cache');
 		header("Content-Type: $mimetype; name=\"$download_name.zip\"");
 		header("Content-disposition: attachment; filename=$download_name.zip");
 
@@ -757,7 +757,7 @@ class compress_tar extends compress
 			break;
 		}
 
-		header('Pragma: no-cache');
+		header('Cache-Control: private, no-cache');
 		header("Content-Type: $mimetype; name=\"$download_name$this->type\"");
 		header("Content-disposition: attachment; filename=$download_name$this->type");
 
diff --git a/phpBB/includes/functions_download.php b/phpBB/includes/functions_download.php
index 3be84299f0..704939b176 100644
--- a/phpBB/includes/functions_download.php
+++ b/phpBB/includes/functions_download.php
@@ -45,7 +45,7 @@ function send_avatar_to_browser($file, $browser)
 
 	if ((@file_exists($file_path) && @is_readable($file_path)) && !headers_sent())
 	{
-		header('Pragma: public');
+		header('Cache-Control: public');
 
 		$image_data = @getimagesize($file_path);
 		header('Content-Type: ' . image_type_to_mime_type($image_data[2]));
@@ -175,7 +175,7 @@ function send_file_to_browser($attachment, $upload_dir, $category)
 	}
 
 	// Now the tricky part... let's dance
-	header('Pragma: public');
+	header('Cache-Control: public');
 
 	// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
 	header('Content-Type: ' . $attachment['mimetype']);
@@ -420,7 +420,7 @@ function set_modified_headers($stamp, $browser)
 		{
 			send_status_line(304, 'Not Modified');
 			// seems that we need those too ... browsers
-			header('Pragma: public');
+			header('Cache-Control: public');
 			header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . ' GMT');
 			return true;
 		}
diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index 38ae34c66c..e4479f07b0 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -363,12 +363,16 @@ function user_add($user_row, $cp_data = false)
 }
 
 /**
-* Remove User
-* @param $mode Either 'retain' or 'remove'
-*/
+ * Remove User
+ *
+ * @param string	$mode		Either 'retain' or 'remove'
+ * @param mixed		$user_ids	Either an array of integers or an integer
+ * @param bool		$retain_username
+ * @return bool
+ */
 function user_delete($mode, $user_ids, $retain_username = true)
 {
-	global $cache, $config, $db, $user, $auth, $phpbb_dispatcher;
+	global $cache, $config, $db, $user, $phpbb_dispatcher;
 	global $phpbb_root_path, $phpEx;
 
 	$db->sql_transaction('begin');
@@ -555,11 +559,6 @@ function user_delete($mode, $user_ids, $retain_username = true)
 			WHERE ' . $db->sql_in_set('poster_id', $user_ids);
 		$db->sql_query($sql);
 
-		$sql = 'UPDATE ' . POSTS_TABLE . '
-			SET post_edit_user = ' . ANONYMOUS . '
-			WHERE ' . $db->sql_in_set('post_edit_user', $user_ids);
-		$db->sql_query($sql);
-
 		$sql = 'UPDATE ' . USERS_TABLE . '
 			SET user_posts = user_posts + ' . $added_guest_posts . '
 			WHERE user_id = ' . ANONYMOUS;
@@ -589,6 +588,30 @@ function user_delete($mode, $user_ids, $retain_username = true)
 
 	$cache->destroy('sql', MODERATOR_CACHE_TABLE);
 
+	// Change user_id to anonymous for posts edited by this user
+	$sql = 'UPDATE ' . POSTS_TABLE . '
+		SET post_edit_user = ' . ANONYMOUS . '
+		WHERE ' . $db->sql_in_set('post_edit_user', $user_ids);
+	$db->sql_query($sql);
+
+	// Change user_id to anonymous for pms edited by this user
+	$sql = 'UPDATE ' . PRIVMSGS_TABLE . '
+		SET message_edit_user = ' . ANONYMOUS . '
+		WHERE ' . $db->sql_in_set('message_edit_user', $user_ids);
+	$db->sql_query($sql);
+
+	// Change user_id to anonymous for posts deleted by this user
+	$sql = 'UPDATE ' . POSTS_TABLE . '
+		SET post_delete_user = ' . ANONYMOUS . '
+		WHERE ' . $db->sql_in_set('post_delete_user', $user_ids);
+	$db->sql_query($sql);
+
+	// Change user_id to anonymous for topics deleted by this user
+	$sql = 'UPDATE ' . TOPICS_TABLE . '
+		SET topic_delete_user = ' . ANONYMOUS . '
+		WHERE ' . $db->sql_in_set('topic_delete_user', $user_ids);
+	$db->sql_query($sql);
+
 	// Delete user log entries about this user
 	$sql = 'DELETE FROM ' . LOG_TABLE . '
 		WHERE ' . $db->sql_in_set('reportee_id', $user_ids);
diff --git a/phpBB/includes/ucp/ucp_pm_viewfolder.php b/phpBB/includes/ucp/ucp_pm_viewfolder.php
index 72921270f4..19acd9ecb9 100644
--- a/phpBB/includes/ucp/ucp_pm_viewfolder.php
+++ b/phpBB/includes/ucp/ucp_pm_viewfolder.php
@@ -383,7 +383,7 @@ function view_folder($id, $mode, $folder_id, $folder)
 				break;
 			}
 
-			header('Pragma: no-cache');
+			header('Cache-Control: private, no-cache');
 			header("Content-Type: $mimetype; name=\"data.$filetype\"");
 			header("Content-disposition: attachment; filename=data.$filetype");
 			echo $string;
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index 5531a98c09..5c16421499 100644
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -446,7 +446,6 @@ class module
 		header('Content-type: text/html; charset=UTF-8');
 		header('Cache-Control: private, no-cache="set-cookie"');
 		header('Expires: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
-		header('Pragma: no-cache');
 
 		return;
 	}
diff --git a/phpBB/phpbb/auth/provider/oauth/oauth.php b/phpBB/phpbb/auth/provider/oauth/oauth.php
index 902c6ae84c..c0ce3f1fba 100644
--- a/phpBB/phpbb/auth/provider/oauth/oauth.php
+++ b/phpBB/phpbb/auth/provider/oauth/oauth.php
@@ -105,7 +105,7 @@ class oauth extends \phpbb\auth\provider\base
 	protected $phpbb_root_path;
 
 	/**
-	* PHP extenstion
+	* PHP file extension
 	*
 	* @var string
 	*/