6 files changed, 10 insertions, 10 deletions
diff --git a/phpBB/phpbb/captcha/plugins/gd.php b/phpBB/phpbb/captcha/plugins/gd.php
index 831e5bcfdf..6d3c9bb3d2 100644
--- a/phpBB/phpbb/captcha/plugins/gd.php
+++ b/phpBB/phpbb/captcha/plugins/gd.php
@@ -51,7 +51,7 @@ class gd extends captcha_abstract
 		return 'CAPTCHA_GD';
 	}
 
-	function acp_page($id, &$module)
+	function acp_page($id, $module)
 	{
 		global $user, $template, $phpbb_log, $request;
 		global $config;
diff --git a/phpBB/phpbb/captcha/plugins/gd_wave.php b/phpBB/phpbb/captcha/plugins/gd_wave.php
index bde46f8815..4ac26ed2b7 100644
--- a/phpBB/phpbb/captcha/plugins/gd_wave.php
+++ b/phpBB/phpbb/captcha/plugins/gd_wave.php
@@ -33,7 +33,7 @@ class gd_wave extends captcha_abstract
 		return '\\phpbb\\captcha\\gd_wave';
 	}
 
-	function acp_page($id, &$module)
+	function acp_page($id, $module)
 	{
 		global $user;
 
diff --git a/phpBB/phpbb/captcha/plugins/nogd.php b/phpBB/phpbb/captcha/plugins/nogd.php
index 6845e5935c..da67cd2bf4 100644
--- a/phpBB/phpbb/captcha/plugins/nogd.php
+++ b/phpBB/phpbb/captcha/plugins/nogd.php
@@ -33,7 +33,7 @@ class nogd extends captcha_abstract
 		return '\\phpbb\\captcha\\non_gd';
 	}
 
-	function acp_page($id, &$module)
+	function acp_page($id, $module)
 	{
 		global $user;
 
diff --git a/phpBB/phpbb/captcha/plugins/qa.php b/phpBB/phpbb/captcha/plugins/qa.php
index 7797212ac9..8f41434601 100644
--- a/phpBB/phpbb/captcha/plugins/qa.php
+++ b/phpBB/phpbb/captcha/plugins/qa.php
@@ -638,7 +638,7 @@ class qa
 	/**
 	*  API function - The ACP backend, this marks the end of the easy methods
 	*/
-	function acp_page($id, &$module)
+	function acp_page($id, $module)
 	{
 		global $config, $request, $phpbb_log, $template, $user;
 
@@ -776,7 +776,7 @@ class qa
 	/**
 	*  This handles the list overview
 	*/
-	function acp_question_list(&$module)
+	function acp_question_list($module)
 	{
 		global $db, $template;
 
diff --git a/phpBB/phpbb/captcha/plugins/recaptcha.php b/phpBB/phpbb/captcha/plugins/recaptcha.php
index 152709a9ea..b7c0b5f5e2 100644
--- a/phpBB/phpbb/captcha/plugins/recaptcha.php
+++ b/phpBB/phpbb/captcha/plugins/recaptcha.php
@@ -66,7 +66,7 @@ class recaptcha extends captcha_abstract
 		throw new \Exception('No generator class given.');
 	}
 
-	function acp_page($id, &$module)
+	function acp_page($id, $module)
 	{
 		global $config, $template, $user, $phpbb_log, $request;
 
diff --git a/phpBB/phpbb/files/upload.php b/phpBB/phpbb/files/upload.php
index a9bf74094d..50e15c9844 100644
--- a/phpBB/phpbb/files/upload.php
+++ b/phpBB/phpbb/files/upload.php
@@ -261,7 +261,7 @@ class upload
 	 *
 	 * @param filespec $file Instance of filespec class
 	 */
-	public function common_checks(&$file)
+	public function common_checks($file)
 	{
 		// Filesize is too big or it's 0 if it was larger than the maxsize in the upload form
 		if ($this->max_filesize && ($file->get('filesize') > $this->max_filesize || $file->get('filesize') == 0))
@@ -297,7 +297,7 @@ class upload
 	 *
 	 * @return bool True if extension is allowed, false if not
 	 */
-	public function valid_extension(&$file)
+	public function valid_extension($file)
 	{
 		return (in_array($file->get('extension'), $this->allowed_extensions)) ? true : false;
 	}
@@ -310,7 +310,7 @@ class upload
 	 * @return bool True if dimensions are valid or no constraints set, false
 	 *			if not
 	 */
-	public function valid_dimensions(&$file)
+	public function valid_dimensions($file)
 	{
 		if (!$this->max_width && !$this->max_height && !$this->min_width && !$this->min_height)
 		{
@@ -350,7 +350,7 @@ class upload
 	 *
 	 * @return bool True if content is valid, false if not
 	 */
-	public function valid_content(&$file)
+	public function valid_content($file)
 	{
 		return ($file->check_content($this->disallowed_content));
 	}