diff --git a/public_html/lists/admin/actions/listmembercount.php b/public_html/lists/admin/actions/listmembercount.php
index edf7cb6de..d50ae38bc 100644
--- a/public_html/lists/admin/actions/listmembercount.php
+++ b/public_html/lists/admin/actions/listmembercount.php
@@ -37,13 +37,6 @@ function listMemberCounts($listId)
         $join"
     );
     $counts = Sql_Fetch_Assoc($req);
-    if (empty($counts)) {
-      $counts = [
-        'confirmed' => 0,
-        'notconfirmed' => 0,
-        'blacklisted' => 0,
-      ];
-    } 
     $membersDisplay = sprintf(
         '<span class="memberCount text-success" title="%s">%s</span>'.' ('
         .'<span class="unconfirmedCount text-warning" title="%s">%s</span>, '.' '
diff --git a/public_html/lists/admin/actions/msgstatus.php b/public_html/lists/admin/actions/msgstatus.php
index 9f962126c..49a412cf6 100644
--- a/public_html/lists/admin/actions/msgstatus.php
+++ b/public_html/lists/admin/actions/msgstatus.php
@@ -40,7 +40,7 @@
     $msgperhour = (int) (3600 / $totaltime) * $sent;
     $secpermsg = $totaltime / $sent;
     $timeleft = ($num_users - $sent) * $secpermsg;
-    $eta = date('D j M H:i', time() + (int)$timeleft);
+    $eta = date('D j M H:i', time() + $timeleft);
 } else {
     $msgperhour = 0;
     $secpermsg = 0;
diff --git a/public_html/lists/admin/attributes.php b/public_html/lists/admin/attributes.php
index 6344740e5..346185603 100644
--- a/public_html/lists/admin/attributes.php
+++ b/public_html/lists/admin/attributes.php
@@ -404,7 +404,7 @@ function warn() {
     }
 
     echo '<label>'.s('Default Value').':</label>
-  <input type="text" name="default[' .$row['id'].']" value="'.htmlspecialchars(stripslashes((string)$row['default_value'])).'" size="40" />';
+  <input type="text" name="default[' .$row['id'].']" value="'.htmlspecialchars(stripslashes($row['default_value'])).'" size="40" />';
     echo '<label>'.s('Order of Listing').':</label>
   <input type="text" name="listorder[' .$row['id'].']" value="'.$row['listorder'].'" size="5" />';
     echo '<label>'.s('Is this attribute required ?').'<input type="checkbox" name="required['.$row['id'].']" value="1" ';
diff --git a/public_html/lists/admin/defaultplugin.php b/public_html/lists/admin/defaultplugin.php
index 2995b150a..fa6131458 100644
--- a/public_html/lists/admin/defaultplugin.php
+++ b/public_html/lists/admin/defaultplugin.php
@@ -112,11 +112,6 @@ class phplistPlugin
      */
     public $pageTitles = array();
 
-    /**
-      * dependencyFailure holds the reason the plugin cannot be initialised 
-    
-     */
-
     /**
      * dependency check
      *
@@ -302,7 +297,7 @@ public function deleteSent()
      * write a value to the general config to be retrieved at a later stage
      * parameters: name -> name of the variable
      * value -> value of the variablesiable, can be a scalar, array or object
-     * returns success or failure
+     * returns success or failure    $store = '';
      */
     public function writeConfig($name, $value)
     {
@@ -314,7 +309,7 @@ public function writeConfig($name, $value)
         Sql_Query(sprintf('replace into %s set item = "%s-%s",value="%s",editable=0', $GLOBALS['tables']['config'],
             $this->name, addslashes($name), addslashes($store)));
         //# force refresh of config in session
-        unset($_SESSION['config'][$this->name.'-'.addslashes($name)]);
+        unset($_SESSION['config']);
 
         return 1;
     }
diff --git a/public_html/lists/admin/inc/userlib.php b/public_html/lists/admin/inc/userlib.php
index da8eb273c..770214e42 100644
--- a/public_html/lists/admin/inc/userlib.php
+++ b/public_html/lists/admin/inc/userlib.php
@@ -411,9 +411,7 @@ function UserAttributeValue($user = 0, $attribute = 0)
         $att_table = 'attribute';
         $user_att_table = 'user_attribute';
     }
-    $value = "";
     $att = Sql_Fetch_array_Query("select * from $att_table where id = $attribute");
-    if (!empty($att))
     switch ($att['type']) {
         case 'checkboxgroup':
             //     print "select value from $user_att_table where userid = $user and attributeid = $attribute";
diff --git a/public_html/lists/admin/lib.php b/public_html/lists/admin/lib.php
index 8862710ef..92a7cf3e5 100644
--- a/public_html/lists/admin/lib.php
+++ b/public_html/lists/admin/lib.php
@@ -292,7 +292,7 @@ function loadMessageData($msgid)
 
         //# can't do "ungreedy matching, in case the URL has placeholders, but this can potentially
         //# throw problems
-        if (!empty($messagedata['message']) && preg_match('/\[URL:(.*)\]/i', $messagedata['message'], $regs)) {
+        if (preg_match('/\[URL:(.*)\]/i', $messagedata['message'], $regs)) {
             $messagedata['sendurl'] = $regs[1];
         }
     }
diff --git a/public_html/lists/admin/list.php b/public_html/lists/admin/list.php
index 1523a3b9d..b56823fa8 100644
--- a/public_html/lists/admin/list.php
+++ b/public_html/lists/admin/list.php
@@ -32,7 +32,7 @@ function listMemberCounts($listId)
 
 if (isset($_POST['listorder']) && is_array($_POST['listorder'])) {
     foreach ($_POST['listorder'] as $key => $val) {
-        $active = sprintf('%d', !empty($_POST['active'][$key]));
+        $active = sprintf('%d', $_POST['active'][$key]);
         $active = $active || listUsedInSubscribePage($key);
         $query = sprintf('update %s set listorder = %d, active = %d where id = %d', $tables['list'], $val, $active,
             $key);
diff --git a/public_html/lists/admin/messages.php b/public_html/lists/admin/messages.php
index 880cdd444..1fe21e9f0 100644
--- a/public_html/lists/admin/messages.php
+++ b/public_html/lists/admin/messages.php
@@ -477,7 +477,7 @@
 
             // Make statistical integers human readable
             foreach ($viewStats as $key => $value) {
-                $viewStatsFormatted[$key] = number_format((int)$value);
+                $viewStatsFormatted[$key] = number_format($value);
             }
             $resultStats = '
     <table class="messagesendstats">
diff --git a/public_html/lists/admin/send_core.php b/public_html/lists/admin/send_core.php
index 28c0ca04f..91aa3a41c 100644
--- a/public_html/lists/admin/send_core.php
+++ b/public_html/lists/admin/send_core.php
@@ -133,10 +133,6 @@
     include dirname(__FILE__).'/actions/storemessage.php';
 }
 
-if (empty($messagedata['message'])) {
-  $messagedata['message'] = "";
-}
-
 $htmlformatted = strip_tags($messagedata['message']) != $messagedata['message'];
 
 // sanitise the header fields, what else do we need to check on?