5 files changed, 17 insertions, 17 deletions
diff --git a/phpBB/includes/acp/acp_attachments.php b/phpBB/includes/acp/acp_attachments.php
index 74373af86b..956afdd7ae 100644
--- a/phpBB/includes/acp/acp_attachments.php
+++ b/phpBB/includes/acp/acp_attachments.php
@@ -451,7 +451,7 @@ class acp_attachments
 					{
 						$sql = 'SELECT group_id 
 							FROM ' . EXTENSION_GROUPS_TABLE . "
-							WHERE LOWER(group_name) = '" . $db->sql_escape(strtolower($new_group_name)) . "'";
+							WHERE LOWER(group_name) = '" . $db->sql_escape(utf8_strtolower($new_group_name)) . "'";
 						$result = $db->sql_query($sql);
 
 						if ($db->sql_fetchrow($result))
diff --git a/phpBB/includes/acp/acp_bbcodes.php b/phpBB/includes/acp/acp_bbcodes.php
index e22833c8bf..6278c129a4 100644
--- a/phpBB/includes/acp/acp_bbcodes.php
+++ b/phpBB/includes/acp/acp_bbcodes.php
@@ -122,12 +122,12 @@ class acp_bbcodes
 				{
 					$sql = 'SELECT 1 as test
 						FROM ' . BBCODES_TABLE . "
-						WHERE LOWER(bbcode_tag) = '" . $db->sql_escape(strtolower($data['bbcode_tag'])) . "'";
+						WHERE LOWER(bbcode_tag) = '" . $db->sql_escape(utf8_strtolower($data['bbcode_tag'])) . "'";
 					$result = $db->sql_query($sql);
 					$info = $db->sql_fetchrow($result);
 					$db->sql_freeresult($result);
 
-					if ($info['test'] === '1' || in_array(strtolower($data['bbcode_tag']), $hard_coded))
+					if ($info['test'] === '1' || in_array(utf8_strtolower($data['bbcode_tag']), $hard_coded))
 					{
 						trigger_error($user->lang['BBCODE_INVALID_TAG_NAME'] . adm_back_link($this->u_action), E_USER_WARNING);
 					}
@@ -358,10 +358,10 @@ class acp_bbcodes
 
 		// Lowercase tags
 		$bbcode_tag = preg_replace('/.*?\[([a-z0-9_-]+=?).*/i', '$1', $bbcode_match);
-		$fp_match = preg_replace('#\[/?' . $bbcode_tag . '#ie', "strtolower('\$0')", $fp_match);
-		$fp_replace = preg_replace('#\[/?' . $bbcode_tag . '#ie', "strtolower('\$0')", $fp_replace);
-		$sp_match = preg_replace('#\[/?' . $bbcode_tag . '#ie', "strtolower('\$0')", $sp_match);
-		$sp_replace = preg_replace('#\[/?' . $bbcode_tag . '#ie', "strtolower('\$0')", $sp_replace);
+		$fp_match = preg_replace('#\[/?' . $bbcode_tag . '#ie', "utf8_strtolower('\$0')", $fp_match);
+		$fp_replace = preg_replace('#\[/?' . $bbcode_tag . '#ie', "utf8_strtolower('\$0')", $fp_replace);
+		$sp_match = preg_replace('#\[/?' . $bbcode_tag . '#ie', "utf8_strtolower('\$0')", $sp_match);
+		$sp_replace = preg_replace('#\[/?' . $bbcode_tag . '#ie', "utf8_strtolower('\$0')", $sp_replace);
 
 		return array(
 			'bbcode_tag'				=> $bbcode_tag,
diff --git a/phpBB/includes/acp/acp_permission_roles.php b/phpBB/includes/acp/acp_permission_roles.php
index 35ec5919a8..033ff8a684 100644
--- a/phpBB/includes/acp/acp_permission_roles.php
+++ b/phpBB/includes/acp/acp_permission_roles.php
@@ -146,13 +146,13 @@ class acp_permission_roles
 					$sql = 'SELECT role_id
 						FROM ' . ACL_ROLES_TABLE . "
 						WHERE role_type = '" . $db->sql_escape($permission_type) . "'
-							AND LOWER(role_name) = '" . $db->sql_escape(strtolower($role_name)) . "'";
+							AND LOWER(role_name) = '" . $db->sql_escape(utf8_strtolower($role_name)) . "'";
 					$result = $db->sql_query($sql);
 					$row = $db->sql_fetchrow($result);
 					$db->sql_freeresult($result);
 
 					// Make sure we only print out the error if we add the role or change it's name
-					if ($row && ($mode == 'add' || ($mode == 'edit' && strtolower($role_row['role_name']) != strtolower($role_name))))
+					if ($row && ($mode == 'add' || ($mode == 'edit' && utf8_strtolower($role_row['role_name']) != utf8_strtolower($role_name))))
 					{
 						trigger_error(sprintf($user->lang['ROLE_NAME_ALREADY_EXIST'], $role_name) . adm_back_link($this->u_action), E_USER_WARNING);
 					}
diff --git a/phpBB/includes/acp/acp_reasons.php b/phpBB/includes/acp/acp_reasons.php
index 1fe4afacaf..a75dc64f5b 100644
--- a/phpBB/includes/acp/acp_reasons.php
+++ b/phpBB/includes/acp/acp_reasons.php
@@ -65,7 +65,7 @@ class acp_reasons
 						{
 							$reason_row['reason_title'] = 'other';
 						}
-						else if (strtolower($row['reason_title']) != strtolower($reason_row['reason_title']))
+						else if (utf8_strtolower($row['reason_title']) != utf8_strtolower($reason_row['reason_title']))
 						{
 							$check_double = true;
 						}
@@ -76,7 +76,7 @@ class acp_reasons
 					{
 						$sql = 'SELECT reason_id
 							FROM ' . REPORTS_REASONS_TABLE . "
-							WHERE LOWER(reason_title) = '" . strtolower($db->sql_escape($reason_row['reason_title'])) . "'";
+							WHERE LOWER(reason_title) = '" . $db->sql_escape(utf8_strtolower($reason_row['reason_title'])) . "'";
 						$result = $db->sql_query($sql);
 						$row = $db->sql_fetchrow($result);
 						$db->sql_freeresult($result);
diff --git a/phpBB/includes/acp/acp_styles.php b/phpBB/includes/acp/acp_styles.php
index 0cb03d2577..e1985130aa 100644
--- a/phpBB/includes/acp/acp_styles.php
+++ b/phpBB/includes/acp/acp_styles.php
@@ -2059,12 +2059,12 @@ pagination_sep = \'{PAGINATION_SEP}\'
 			if (!sizeof($error))
 			{
 				// Check length settings
-				if (strlen($name) > 30)
+				if (utf8_strlen($name) > 30)
 				{
 					$error[] = $user->lang[$l_type . '_ERR_NAME_LONG'];
 				}
 
-				if (strlen($copyright) > 60)
+				if (utf8_strlen($copyright) > 60)
 				{
 					$error[] = $user->lang[$l_type . '_ERR_COPY_LONG'];
 				}
@@ -2824,12 +2824,12 @@ pagination_sep = \'{PAGINATION_SEP}\'
 		}
 
 		// Check length settings
-		if (strlen($name) > 30)
+		if (utf8_strlen($name) > 30)
 		{
 			$error[] = $user->lang['STYLE_ERR_NAME_LONG'];
 		}
 
-		if (strlen($copyright) > 60)
+		if (utf8_strlen($copyright) > 60)
 		{
 			$error[] = $user->lang['STYLE_ERR_COPY_LONG'];
 		}
@@ -2934,12 +2934,12 @@ pagination_sep = \'{PAGINATION_SEP}\'
 		}
 
 		// Check length settings
-		if (strlen($name) > 30)
+		if (utf8_strlen($name) > 30)
 		{
 			$error[] = $user->lang[$l_type . '_ERR_NAME_LONG'];
 		}
 
-		if (strlen($copyright) > 60)
+		if (utf8_strlen($copyright) > 60)
 		{
 			$error[] = $user->lang[$l_type . '_ERR_COPY_LONG'];
 		}