5 files changed, 17 insertions, 10 deletions
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index 89fdc8b863..0c9bc0deab 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -174,11 +174,6 @@ class acp_extensions
 					trigger_error($user->lang['EXTENSION_NOT_ENABLEABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				if ($phpbb_extension_manager->is_enabled($ext_name))
-				{
-					redirect($this->u_action);
-				}
-
 				try
 				{
 					while ($phpbb_extension_manager->enable_step($ext_name))
diff --git a/phpBB/includes/acp/acp_profile.php b/phpBB/includes/acp/acp_profile.php
index 046281596c..97c1f62077 100644
--- a/phpBB/includes/acp/acp_profile.php
+++ b/phpBB/includes/acp/acp_profile.php
@@ -460,7 +460,7 @@ class acp_profile
 
 					if (!$cp->vars[$key] && $action == 'edit')
 					{
-						$cp->vars[$key] = $$key;
+						$cp->vars[$key] = ${$key};
 					}
 
 					$field_data = $cp->vars;
diff --git a/phpBB/includes/acp/acp_prune.php b/phpBB/includes/acp/acp_prune.php
index 59f15c4890..6eb213fd7a 100644
--- a/phpBB/includes/acp/acp_prune.php
+++ b/phpBB/includes/acp/acp_prune.php
@@ -507,7 +507,7 @@ class acp_prune
 					AND ug.user_id <> ' . ANONYMOUS . '
 					AND u.user_type <> ' . USER_FOUNDER . '
 					AND ug.user_pending = 0 ' .
-					((!empty($user_ids)) ? 'AND ' . $db->sql_in_set('ug.user_id', $user_ids) : '') . '
+					((!empty($user_ids)) ? ' AND ' . $db->sql_in_set('ug.user_id', $user_ids) : '') . '
 					AND u.user_id = ug.user_id';
 			$result = $db->sql_query($sql);
 
@@ -533,7 +533,7 @@ class acp_prune
 				FROM ' . POSTS_TABLE . ' p, ' . USERS_TABLE . ' u
 				WHERE u.user_id <> ' . ANONYMOUS . '
 					AND u.user_type <> ' . USER_FOUNDER .
-					((!empty($user_ids)) ? 'AND ' . $db->sql_in_set('p.poster_id', $user_ids) : '') . '
+					((!empty($user_ids)) ? ' AND ' . $db->sql_in_set('p.poster_id', $user_ids) : '') . '
 					AND ' . $db->sql_in_set('p.post_visibility', array(ITEM_UNAPPROVED, ITEM_REAPPROVE)) . '
 					AND u.user_id = p.poster_id
 				GROUP BY p.poster_id
diff --git a/phpBB/includes/acp/acp_search.php b/phpBB/includes/acp/acp_search.php
index eddc6871f8..9ff999567a 100644
--- a/phpBB/includes/acp/acp_search.php
+++ b/phpBB/includes/acp/acp_search.php
@@ -449,7 +449,6 @@ class acp_search
 
 		$search = null;
 		$error = false;
-		$search_options = '';
 		foreach ($search_types as $type)
 		{
 			if ($this->init_search($type, $search, $error) || !method_exists($search, 'index_created'))
diff --git a/phpBB/includes/acp/acp_users.php b/phpBB/includes/acp/acp_users.php
index 3c957a7093..8c17fb6311 100644
--- a/phpBB/includes/acp/acp_users.php
+++ b/phpBB/includes/acp/acp_users.php
@@ -1414,6 +1414,18 @@ class acp_users
 						$error[] = 'FORM_INVALID';
 					}
 
+					/**
+					* Validate profile data in ACP before submitting to the database
+					*
+					* @event core.acp_users_profile_validate
+					* @var	bool	submit		Flag indicating if submit button has been pressed
+					* @var	array	data		Array with user profile data
+					* @var	array	error		Array with the form errors
+					* @since 3.1.4-RC1
+					*/
+					$vars = array('submit', 'data', 'error');
+					extract($phpbb_dispatcher->trigger_event('core.acp_users_profile_validate', compact($vars)));
+
 					if (!sizeof($error))
 					{
 						$sql_ary = array(
@@ -1429,9 +1441,10 @@ class acp_users
 						* @var	array	data		Array with user profile data
 						* @var	int		user_id		The user id
 						* @var	array	user_row	Array with the full user data
+						* @var	array	sql_ary		Array with sql data
 						* @since 3.1.4-RC1
 						*/
-						$vars = array('cp_data', 'data', 'user_id', 'user_row');
+						$vars = array('cp_data', 'data', 'user_id', 'user_row', 'sql_ary');
 						extract($phpbb_dispatcher->trigger_event('core.acp_users_profile_modify_sql_ary', compact($vars)));
 
 						$sql = 'UPDATE ' . USERS_TABLE . '