4 files changed, 8 insertions, 7 deletions
diff --git a/plugins/password/drivers/directadmin.php b/plugins/password/drivers/directadmin.php
index 8bf0dc613..44ecea406 100644
--- a/plugins/password/drivers/directadmin.php
+++ b/plugins/password/drivers/directadmin.php
@@ -297,7 +297,6 @@ class HTTPSocket {
             $status = socket_get_status($socket);
             $startTime = time();
             $length = 0;
-            $prevSecond = 0;
             while ( !feof($socket) && !$status['timed_out'] )
             {
                 $chunk = fgets($socket,1024);
diff --git a/plugins/password/drivers/pam.php b/plugins/password/drivers/pam.php
index 8cd94c737..4d0ba1656 100644
--- a/plugins/password/drivers/pam.php
+++ b/plugins/password/drivers/pam.php
@@ -11,7 +11,8 @@ class rcube_pam_password
 {
     function save($currpass, $newpass)
     {
-        $user = $_SESSION['username'];
+        $user  = $_SESSION['username'];
+        $error = '';
 
         if (extension_loaded('pam') || extension_loaded('pam_auth')) {
             if (pam_auth($user, $currpass, $error, false)) {
diff --git a/plugins/password/drivers/sql.php b/plugins/password/drivers/sql.php
index e02bff146..7a51dfe44 100644
--- a/plugins/password/drivers/sql.php
+++ b/plugins/password/drivers/sql.php
@@ -34,8 +34,9 @@ class rcube_sql_password
             $db = $rcmail->get_dbh();
         }
 
-        if ($err = $db->is_error())
+        if ($db->is_error()) {
             return PASSWORD_ERROR;
+        }
 
         // crypted password
         if (strpos($sql, '%c') !== FALSE) {
@@ -183,8 +184,8 @@ class rcube_sql_password
         $res = $db->query($sql, $sql_vars);
 
         if (!$db->is_error()) {
-            if (strtolower(substr(trim($query),0,6))=='select') {
-                if ($result = $db->fetch_array($res))
+            if (strtolower(substr(trim($sql),0,6)) == 'select') {
+                if ($db->fetch_array($res))
                     return PASSWORD_SUCCESS;
             } else {
                 // This is the good case: 1 row updated
diff --git a/plugins/password/drivers/xmail.php b/plugins/password/drivers/xmail.php
index 37abc3001..59e467c5b 100644
--- a/plugins/password/drivers/xmail.php
+++ b/plugins/password/drivers/xmail.php
@@ -67,7 +67,7 @@ class XMail {
     function send($msg)
     {
         socket_write($this->socket,$msg);
-        if (substr($in = socket_read($this->socket, 512, PHP_BINARY_READ),0,1) != "+") {
+        if (substr(socket_read($this->socket, 512, PHP_BINARY_READ),0,1) != "+") {
             return false;
         }
         return true;
@@ -85,7 +85,7 @@ class XMail {
             return false;
         }
 
-        if (substr($in = socket_read($this->socket, 512, PHP_BINARY_READ),0,1) != "+") {
+        if (substr(socket_read($this->socket, 512, PHP_BINARY_READ),0,1) != "+") {
             socket_close($this->socket);
             return false;
         }