Avoid unused local variables

plugins/acl/acl.php

@@ -384,7 +384,6 @@ class acl extends rcube_plugin
             $table->add_header(array('class' => 'acl'.$key, 'title' => $label), $label);
         }
 
-        $i = 1;
         $js_table = array();
         foreach ($acl as $user => $rights) {
             if ($this->rc->storage->conn->user == $user) {

plugins/autologon/autologon.php

@@ -19,8 +19,6 @@ class autologon extends rcube_plugin
 
   function startup($args)
   {
-    $rcmail = rcmail::get_instance();
-
     // change action to login
     if (empty($_SESSION['user_id']) && !empty($_GET['_autologin']) && $this->is_localhost())
       $args['action'] = 'login';

plugins/debug_logger/runlog/runlog.php

@@ -194,7 +194,7 @@ class runlog {
 
     public function print_totals(){
         $totals = array();
-        foreach ( $this->run_log as $k => $entry ) {
+        foreach ($this->run_log as $entry) {
             if ( $entry['type'] == 'start'  && $entry['ended'] == true) {
                 $totals[$entry['value']]['duration'] += $entry['duration'];
                 $totals[$entry['value']]['count'] += 1;

plugins/enigma/enigma.php

@@ -149,7 +149,7 @@ class enigma extends rcube_plugin
      */
     function parse_structure($p)
     {
-        $struct = $p['structure'];
+//        $struct = $p['structure'];
 
         if ($p['mimetype'] == 'text/plain' || $p['mimetype'] == 'application/pgp') {
             $this->parse_plain($p);
@@ -399,7 +399,7 @@ class enigma extends rcube_plugin
             }
         }
         // the same with message bodies
-        foreach ((array)$this->message->parts as $idx => $part) {
+        foreach ((array)$this->message->parts as $part) {
             if ($this->is_keys_part($part)) {
                 $this->keys_parts[] = $part->mime_id;
                 $this->keys_bodies[] = $part->mime_id;

plugins/enigma/lib/enigma_engine.php

@@ -497,9 +497,11 @@ class enigma_engine
         $uid     = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
         $mbox    = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
         $mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
+        $storage = $this->rc->get_storage();
 
         if ($uid && $mime_id) {
-            $part = $this->rc->storage->get_message_part($uid, $mime_id);
+            $storage->set_folder($mbox);
+            $part = $storage->get_message_part($uid, $mime_id);
         }
 
         if ($part && is_array($result = $this->import_key($part))) {
@@ -528,16 +530,4 @@ class enigma_engine
                 $uid, $part->mime_id, $part);
         }
     }
-
-    /**
-     * Adds CSS style file to the page header.
-     */
-    private function add_css()
-    {
-        $skin = $this->rc->config->get('skin');
-        if (!file_exists($this->home . "/skins/$skin/enigma.css"))
-            $skin = 'default';
-
-        $this->include_stylesheet("skins/$skin/enigma.css");                                                
-    }
 }

plugins/enigma/lib/enigma_ui.php

@@ -176,8 +176,7 @@ class enigma_ui
         $search   = rcube_utils::get_input_value('_q', rcube_utils::INPUT_GPC);
 
         // define list of cols to be displayed
-        $a_show_cols = array('name');
+//        $a_show_cols = array('name');
-        $result = array();
 
         // Get the list
         $list = $this->enigma->engine->list_keys($search);
@@ -200,7 +199,7 @@ class enigma_ui
                 $size = count($list);
 
                 // Add rows
-                foreach($list as $idx => $key) {
+                foreach ($list as $key) {
                     $this->rc->output->command('enigma_add_list_row',
                         array('name' => rcube::Q($key->name), 'id' => $key->id));
                 }

plugins/help/help.php

@@ -21,8 +21,6 @@ class help extends rcube_plugin
 
     function init()
     {
-        $rcmail = rcmail::get_instance();
-
         $this->add_texts('localization/', false);
 
         // register task

plugins/managesieve/lib/Roundcube/rcube_sieve_script.php

@@ -206,7 +206,6 @@ class rcube_sieve_script
 
         // rules
         foreach ($this->content as $rule) {
-            $extension = '';
             $script    = '';
             $tests     = array();
             $i         = 0;
@@ -1015,11 +1014,10 @@ class rcube_sieve_script
      * @param mixed  $num     Number of tokens to return, 0 for all
      *                        or True for all tokens until separator is found.
      *                        Separator will be returned as last token.
-     * @param int    $in_list Enable to call recursively inside a list
      *
      * @return mixed Tokens array or string if $num=1
      */
-    static function tokenize(&$str, $num=0, $in_list=false)
+    static function tokenize(&$str, $num=0)
     {
         $result = array();
 
@@ -1054,7 +1052,7 @@ class rcube_sieve_script
             // Parenthesized list
             case '[':
                 $str = substr($str, 1);
-                $result[] = self::tokenize($str, 0, true);
+                $result[] = self::tokenize($str, 0);
                 break;
             case ']':
                 $str = substr($str, 1);

plugins/managesieve/managesieve.php

@@ -1640,7 +1640,7 @@ class managesieve extends rcube_plugin
             .'value="' . rcube::Q($action['value']) . '" size="35" '
             . $this->error_class($id, 'action', 'value', 'action_varvalue') .' />';
         $out .= '<br /><span class="label">' .rcube::Q($this->gettext('setvarmodifiers')) . '</span><br />';
-        foreach ($set_modifiers as $j => $s_m) {
+        foreach ($set_modifiers as $s_m) {
             $s_m_id = 'action_varmods' . $id . $s_m;
             $out .= sprintf('<input type="checkbox" name="_action_varmods[%s][]" value="%s" id="%s"%s />%s<br>',
                 $id, $s_m, $s_m_id,
@@ -1902,7 +1902,7 @@ class managesieve extends rcube_plugin
             $user_script = $_SESSION['managesieve_user_script'];
 
             // if the script is not active...
-            if ($user_script && ($key = array_search($name, $this->active)) === false) {
+            if ($user_script && array_search($name, $this->active) === false) {
                 // ...rewrite USER file adding appropriate include command
                 if ($this->sieve->load($user_script)) {
                     $script = $this->sieve->script->as_array();
@@ -1920,7 +1920,7 @@ class managesieve extends rcube_plugin
 
                     // get all active scripts for sorting
                     foreach ($script as $rid => $rules) {
-                        foreach ($rules['actions'] as $aid => $action) {
+                        foreach ($rules['actions'] as $action) {
                             if ($action['type'] == 'include' && empty($action['global'])) {
                                 $target = $extension ? preg_replace($regexp, '', $action['target']) : $action['target'];
                                 $list[] = $target;
@@ -1988,7 +1988,7 @@ class managesieve extends rcube_plugin
                     $name   = $name.$extension;
 
                     foreach ($script as $rid => $rules) {
-                        foreach ($rules['actions'] as $aid => $action) {
+                        foreach ($rules['actions'] as $action) {
                             if ($action['type'] == 'include' && empty($action['global'])
                                 && $action['target'] == $name
                             ) {

plugins/new_user_identity/new_user_identity.php

@@ -33,8 +33,6 @@ class new_user_identity extends rcube_plugin
 
     function lookup_user_name($args)
     {
-        $rcmail = rcmail::get_instance();
-
         if ($this->init_ldap($args['host'])) {
             $results = $this->ldap->search('*', $args['user'], true);
             if (count($results->records) == 1) {

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);

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) {
@@ -184,7 +185,7 @@ class rcube_sql_password
 
         if (!$db->is_error()) {
             if (strtolower(substr(trim($sql),0,6)) == 'select') {
-                if ($result = $db->fetch_array($res))
+                if ($db->fetch_array($res))
                     return PASSWORD_SUCCESS;
             } else {
                 // This is the good case: 1 row updated

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;
         }

plugins/squirrelmail_usercopy/squirrelmail_usercopy.php

@@ -63,7 +63,7 @@ class squirrelmail_usercopy extends rcube_plugin
 					if ($this->prefs['___sig'.$i.'___'])
 						$ident_data['signature'] = $this->prefs['___sig'.$i.'___'];
 					// insert identity
-					$identid = $rcmail->user->insert_identity($ident_data);
+					$rcmail->user->insert_identity($ident_data);
 				}
 			}
 

plugins/vcard_attachments/vcard_attachments.php

@@ -45,7 +45,7 @@ class vcard_attachments extends rcube_plugin
             }
         }
         // the same with message bodies
-        foreach ((array)$this->message->parts as $idx => $part) {
+        foreach ((array)$this->message->parts as $part) {
             if ($this->is_vcard($part)) {
                 $this->vcard_parts[] = $part->mime_id;
                 $this->vcard_bodies[] = $part->mime_id;
@@ -63,7 +63,6 @@ class vcard_attachments extends rcube_plugin
     function html_output($p)
     {
         $attach_script = false;
-        $icon = 'plugins/vcard_attachments/' .$this->local_skin_path(). '/vcard_add_contact.png';
 
         foreach ($this->vcard_parts as $part) {
             $vcards = rcube_vcard::import($this->message->get_part_content($part, null, true));

plugins/zipdownload/zipdownload.php

@@ -169,7 +169,7 @@ class zipdownload extends rcube_plugin
 			for ($i = 0; ($i * $imap->get_pagesize()) <= $count; $i++) {
 				$a_headers = $imap->list_messages($mbox_name, ($i + 1));
 
-				foreach ($a_headers as $n => $header) {
+				foreach ($a_headers as $header) {
 					if (empty($header))
 						continue;
 
@@ -199,7 +199,7 @@ class zipdownload extends rcube_plugin
 		$zip = new ZipArchive();
 		$zip->open($tmpfname, ZIPARCHIVE::OVERWRITE);
 
-		foreach ($uids as $key => $uid){
+		foreach ($uids as $uid){
 			$headers = $imap->get_message_headers($uid);
 			$subject = rcube_mime::decode_mime_string((string)$headers->subject);
 			$subject = $this->_convert_filename($subject);