diff --git a/airtime_mvc/application/models/Datatables.php b/airtime_mvc/application/models/Datatables.php
index 7545aec71..b3b370352 100644
--- a/airtime_mvc/application/models/Datatables.php
+++ b/airtime_mvc/application/models/Datatables.php
@@ -4,6 +4,7 @@ class Application_Model_Datatables
 {
     private static function buildWhereClauseForAdvancedSearch($dbname2searchTerm)
     {
+        $where = array();
         $where['clause'] = array();
         $where['params'] = array();
         foreach ($dbname2searchTerm as $dbname=>$term) {
diff --git a/airtime_mvc/application/models/Playlist.php b/airtime_mvc/application/models/Playlist.php
index 8a32db7e1..660864af5 100644
--- a/airtime_mvc/application/models/Playlist.php
+++ b/airtime_mvc/application/models/Playlist.php
@@ -1075,8 +1075,7 @@ SQL;
         $sql .= "END WHERE position IN ($currentPos) and playlist_id=:p1";
         
         Application_Common_Database::prepareAndExecute($sql, array("p1"=>$this->id));
-        $result['result'] = 0;
-        return $result;
+        return array('result' => 0);
     }
 
     public static function getAllPlaylistFiles()
diff --git a/airtime_mvc/application/models/Scheduler.php b/airtime_mvc/application/models/Scheduler.php
index e3869c662..1464384c6 100644
--- a/airtime_mvc/application/models/Scheduler.php
+++ b/airtime_mvc/application/models/Scheduler.php
@@ -85,6 +85,9 @@ class Application_Model_Scheduler
 
         $nowEpoch = floatval($this->nowDT->format("U.u"));
 
+        $schedInfo = array();
+        $instanceInfo = array();
+
         for ($i = 0; $i < count($items); $i++) {
             $id = $items[$i]["id"];
 
@@ -103,7 +106,7 @@ class Application_Model_Scheduler
         }
 
         $schedIds = array();
-        if (isset($schedInfo)) {
+        if (count($schedInfo) > 0) {
             $schedIds = array_keys($schedInfo);
         }
         $schedItems = CcScheduleQuery::create()->findPKs($schedIds, $this->con);
diff --git a/airtime_mvc/application/models/ShowBuilder.php b/airtime_mvc/application/models/ShowBuilder.php
index cd6af41e7..7149ce10c 100644
--- a/airtime_mvc/application/models/ShowBuilder.php
+++ b/airtime_mvc/application/models/ShowBuilder.php
@@ -388,6 +388,7 @@ class Application_Model_ShowBuilder
         $outdated = false;
         $shows = Application_Model_Show::getShows($this->startDT, $this->endDT);
 
+        $include = array();
         if ($this->opts["showFilter"] !== 0) {
             $include[] = $this->opts["showFilter"];
         } elseif ($this->opts["myShows"] === 1) {
diff --git a/airtime_mvc/application/models/ShowInstance.php b/airtime_mvc/application/models/ShowInstance.php
index e95b7dd01..bae020a7b 100644
--- a/airtime_mvc/application/models/ShowInstance.php
+++ b/airtime_mvc/application/models/ShowInstance.php
@@ -352,10 +352,10 @@ SQL;
         );
 
         //only need to check overlap if show increased in size.
-        if (strtotime($new_ends) > strtotime($ends)) {
+        if (strtotime($now_ends) > strtotime($ends)) {
 
             $utcStartDateTime = new DateTime($ends, new DateTimeZone("UTC"));
-            $utcEndDateTime = new DateTime($new_ends, new DateTimeZone("UTC"));
+            $utcEndDateTime = new DateTime($now_ends, new DateTimeZone("UTC"));
 
             $overlap =  Application_Model_Show::getShows($utcStartDateTime, $utcEndDateTime);
 
@@ -381,7 +381,7 @@ SQL;
 
         }
 
-        $this->setShowEnd($new_ends);
+        $this->setShowEnd($now_ends);
         Application_Model_RabbitMq::PushSchedule();
     }
 
diff --git a/airtime_mvc/application/models/StoredFile.php b/airtime_mvc/application/models/StoredFile.php
index b8f84b26d..207b80601 100644
--- a/airtime_mvc/application/models/StoredFile.php
+++ b/airtime_mvc/application/models/StoredFile.php
@@ -893,7 +893,7 @@ SQL;
                     $in = fopen($_FILES['file']['tmp_name'], "rb");
 
                     if ($in) {
-                        while ($buff = fread($in, 4096))
+                        while (($buff = fread($in, 4096)))
                             fwrite($out, $buff);
                     } else
                         die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": _("Failed to open input stream.")}, "id" : "id"}');
@@ -912,7 +912,7 @@ SQL;
                 $in = fopen("php://input", "rb");
 
                 if ($in) {
-                    while ($buff = fread($in, 4096))
+                    while (($buff = fread($in, 4096)))
                         fwrite($out, $buff);
                 } else
                     die('{"jsonrpc" : "2.0", "error" : {"code": 101, "message": _("Failed to open input stream.")}, "id" : "id"}');
@@ -961,6 +961,7 @@ SQL;
         // Check if we have enough space before copying
         if (!self::isEnoughDiskSpaceToCopy($stor, $audio_file)) {
             $freeSpace = disk_free_space($stor);
+            $fileSize = filesize($audio_file);
 
             return array("code" => 107,
                 "message" => sprintf(_("The file was not uploaded, there is "
diff --git a/airtime_mvc/application/models/Systemstatus.php b/airtime_mvc/application/models/Systemstatus.php
index 6f6a05fff..4a0480a04 100644
--- a/airtime_mvc/application/models/Systemstatus.php
+++ b/airtime_mvc/application/models/Systemstatus.php
@@ -125,6 +125,7 @@ class Application_Model_Systemstatus
     public static function GetPlatformInfo()
     {
         $keys = array("release", "machine", "memory", "swap");
+        $data = array();
         foreach ($keys as $key) {
             $data[$key] = "UNKNOWN";
         }
@@ -212,7 +213,7 @@ class Application_Model_Systemstatus
 
     public static function GetDiskInfo()
     {
-        $partions = array();
+        $partitions = array();
 
         /* First lets get all the watched directories. Then we can group them
         * into the same partitions by comparing the partition sizes. */
diff --git a/airtime_mvc/application/models/User.php b/airtime_mvc/application/models/User.php
index 34e1fe0f6..a3b2c5d3d 100644
--- a/airtime_mvc/application/models/User.php
+++ b/airtime_mvc/application/models/User.php
@@ -226,7 +226,7 @@ class Application_Model_User
     public function deleteAllFiles()
     {
         $my_files = $this->getOwnedFiles();
-        foreach ($files as $file) {
+        foreach ($my_files as $file) {
             $file->delete();
         }
     }