14 files changed, 18 insertions, 18 deletions
diff --git a/phpBB/develop/generate_utf_casefold.php b/phpBB/develop/generate_utf_casefold.php
index 5b99f3e55e..ad511a6153 100644
--- a/phpBB/develop/generate_utf_casefold.php
+++ b/phpBB/develop/generate_utf_casefold.php
@@ -111,7 +111,7 @@ function my_var_export($var)
 * Download a file to the develop/ dir
 *
 * @param	string	$url		URL of the file to download
-* @return	void
+* @return	null
 */
 function download($url)
 {
diff --git a/phpBB/develop/generate_utf_confusables.php b/phpBB/develop/generate_utf_confusables.php
index 027d75b661..763d8ee875 100644
--- a/phpBB/develop/generate_utf_confusables.php
+++ b/phpBB/develop/generate_utf_confusables.php
@@ -199,7 +199,7 @@ function my_var_export($var)
 * Download a file to the develop/ dir
 *
 * @param	string	$url		URL of the file to download
-* @return	void
+* @return	null
 */
 function download($url)
 {
diff --git a/phpBB/develop/generate_utf_tables.php b/phpBB/develop/generate_utf_tables.php
index 71a5bea851..e5d907d6a5 100644
--- a/phpBB/develop/generate_utf_tables.php
+++ b/phpBB/develop/generate_utf_tables.php
@@ -481,7 +481,7 @@ function my_var_export($var)
 * Download a file to the develop/ dir
 *
 * @param	string	$url		URL of the file to download
-* @return	void
+* @return	null
 */
 function download($url)
 {
diff --git a/phpBB/develop/utf_normalizer_test.php b/phpBB/develop/utf_normalizer_test.php
index 186e10fea2..af8556507f 100644
--- a/phpBB/develop/utf_normalizer_test.php
+++ b/phpBB/develop/utf_normalizer_test.php
@@ -222,7 +222,7 @@ die("\n\nALL TESTS PASSED SUCCESSFULLY\n");
 * Download a file to the develop/ dir
 *
 * @param	string	$url		URL of the file to download
-* @return	void
+* @return	null
 */
 function download($url)
 {
diff --git a/phpBB/docs/auth_api.html b/phpBB/docs/auth_api.html
index 2302140030..249ceebfbc 100644
--- a/phpBB/docs/auth_api.html
+++ b/phpBB/docs/auth_api.html
@@ -193,7 +193,7 @@ $user_id = 2;
 $auth->acl_clear_prefetch($user_id);
 </pre></div>
 
-	<p>This method returns void.</p>
+	<p>This method returns null.</p>
 
 	<a name="acl_get_list"></a><h3>2.viii. acl_get_list</h3>
 
diff --git a/phpBB/includes/cache/driver/apc.php b/phpBB/includes/cache/driver/apc.php
index dc0144fac3..0516b669c8 100644
--- a/phpBB/includes/cache/driver/apc.php
+++ b/phpBB/includes/cache/driver/apc.php
@@ -26,7 +26,7 @@ class phpbb_cache_driver_apc extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
diff --git a/phpBB/includes/cache/driver/eaccelerator.php b/phpBB/includes/cache/driver/eaccelerator.php
index 7939f043c9..257b90c76e 100644
--- a/phpBB/includes/cache/driver/eaccelerator.php
+++ b/phpBB/includes/cache/driver/eaccelerator.php
@@ -30,7 +30,7 @@ class phpbb_cache_driver_eaccelerator extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
@@ -47,7 +47,7 @@ class phpbb_cache_driver_eaccelerator extends phpbb_cache_driver_memory
 	/**
 	 * Perform cache garbage collection
 	 *
-	 * @return void
+	 * @return null
 	 */
 	function tidy()
 	{
diff --git a/phpBB/includes/cache/driver/memcache.php b/phpBB/includes/cache/driver/memcache.php
index 9fe70f8b44..3fd16b23b0 100644
--- a/phpBB/includes/cache/driver/memcache.php
+++ b/phpBB/includes/cache/driver/memcache.php
@@ -64,7 +64,7 @@ class phpbb_cache_driver_memcache extends phpbb_cache_driver_memory
 	/**
 	* Unload the cache resources
 	*
-	* @return void
+	* @return null
 	*/
 	function unload()
 	{
@@ -76,7 +76,7 @@ class phpbb_cache_driver_memcache extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
diff --git a/phpBB/includes/cache/driver/redis.php b/phpBB/includes/cache/driver/redis.php
index a768885962..d256b5600e 100644
--- a/phpBB/includes/cache/driver/redis.php
+++ b/phpBB/includes/cache/driver/redis.php
@@ -74,7 +74,7 @@ class phpbb_cache_driver_redis extends phpbb_cache_driver_memory
 	/**
 	* Unload the cache resources
 	*
-	* @return void
+	* @return null
 	*/
 	function unload()
 	{
@@ -86,7 +86,7 @@ class phpbb_cache_driver_redis extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
diff --git a/phpBB/includes/cache/driver/wincache.php b/phpBB/includes/cache/driver/wincache.php
index fa9eb95f88..58f3b4a581 100644
--- a/phpBB/includes/cache/driver/wincache.php
+++ b/phpBB/includes/cache/driver/wincache.php
@@ -26,7 +26,7 @@ class phpbb_cache_driver_wincache extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
diff --git a/phpBB/includes/cache/driver/xcache.php b/phpBB/includes/cache/driver/xcache.php
index 0b768bdb3e..06c5fafd97 100644
--- a/phpBB/includes/cache/driver/xcache.php
+++ b/phpBB/includes/cache/driver/xcache.php
@@ -41,7 +41,7 @@ class phpbb_cache_driver_xcache extends phpbb_cache_driver_memory
 	/**
 	* Purge cache data
 	*
-	* @return void
+	* @return null
 	*/
 	function purge()
 	{
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index d7088ac129..ebe9a9918d 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -2856,7 +2856,7 @@ function meta_refresh($time, $url, $disable_cd_check = false)
 *
 * @param int $code HTTP status code
 * @param string $message Message for the status code
-* @return void
+* @return null
 */
 function send_status_line($code, $message)
 {
@@ -4795,7 +4795,7 @@ function phpbb_get_plural_form($rule, $number)
 *
 * @param array	$param		Parameter array, see $param_defaults array.
 *
-* @return void
+* @return null
 */
 function phpbb_http_login($param)
 {
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index 5e2ee8c8f6..15930f9a2c 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -3308,7 +3308,7 @@ function obtain_latest_version_info($force_update = false, $warn_fail = false, $
  * @param int		$flag			The binary flag which is OR-ed with the current column value
  * @param string	$sql_more		This string is attached to the sql query generated to update the table.
  *
- * @return void
+ * @return null
  */
 function enable_bitfield_column_flag($table_name, $column_name, $flag, $sql_more = '')
 {
diff --git a/phpBB/includes/questionnaire/questionnaire.php b/phpBB/includes/questionnaire/questionnaire.php
index f0fb8c3c06..2d29fe978e 100644
--- a/phpBB/includes/questionnaire/questionnaire.php
+++ b/phpBB/includes/questionnaire/questionnaire.php
@@ -70,7 +70,7 @@ class phpbb_questionnaire_data_collector
 	/**
 	* Collect info into the data property.
 	*
-	* @return	void
+	* @return	null
 	*/
 	function collect()
 	{