diff --git a/server/controllers/ticket/search.php b/server/controllers/ticket/search.php
index e1fe5696..00431c34 100644
--- a/server/controllers/ticket/search.php
+++ b/server/controllers/ticket/search.php
@@ -195,19 +195,19 @@ class SearchController extends Controller {
         }
     }
     public function setClosedFilter($closed, &$filters){
-       if ($closed != null) {
+       if ($closed !== null) {
             if ($filters != "")  $filters .= " and ";
             $filters .= "ticket.closed = " . $closed ;
         }
     }
     private function setSeenFilter($unreadStaff, &$filters){
-       if ($unreadStaff != null) {
+       if ($unreadStaff !== null) {
             if ($filters != "")  $filters .= " and ";
             $filters .= "ticket.unread_staff = " . $unreadStaff;
         }
     }
     private function setPriorityFilter($priorities, &$filters){
-        if($priorities != null){
+        if($priorities !== null){
             $first = TRUE;
             if ($filters != "")  $filters .= " and ";
             foreach(array_unique($priorities) as $priority) {
@@ -220,11 +220,11 @@ class SearchController extends Controller {
                 }
 
                 if($priority == 0){
-                    $filters .= "ticket.priority = " . "'low'";
+                    $filters .= "ticket.priority = 'low'";
                 }elseif($priority == 1){
-                    $filters .= "ticket.priority = " . "'medium'";
+                    $filters .= "ticket.priority = 'medium'";
                 }elseif($priority == 2){
-                    $filters .= "ticket.priority = " . "'high'";
+                    $filters .= "ticket.priority = 'high'";
                 }
 
 
@@ -235,7 +235,7 @@ class SearchController extends Controller {
     }
 
     private function setDateFilter($dateRange, &$filters){
-       if ($dateRange != null) {
+       if ($dateRange !== null) {
             if ($filters != "")  $filters .= " and ";
 
             foreach($dateRange as $key => $date) {
@@ -263,7 +263,7 @@ class SearchController extends Controller {
     }
 
     private function setAuthorFilter($authors, &$filters){
-        if($authors != null){
+        if($authors !== null){
             $first = TRUE;
             if ($filters != "")  $filters .= " and ";
 
@@ -289,7 +289,7 @@ class SearchController extends Controller {
     }
 
     private function setAssignedFilter($assigned, &$filters){
-       if($assigned != null){
+       if($assigned !== null){
             if ($filters != "")  $filters .= " and ";
             $key = "";
             $assigned == 0 ? $key = "IS NULL" : $key = "IS NOT NULL";
@@ -300,7 +300,7 @@ class SearchController extends Controller {
     private function setStringFilter($search, &$filters){
         $ticketEventTableExists = RedBean::exec("select table_name from information_schema.tables where table_name = 'ticketevent';");
 
-        if($search != null){
+        if($search !== null){
             if ($filters != "")  $filters .= " and ";
             $ticketevent = ( $ticketEventTableExists ? " or (ticketevent.type = 'COMMENT' and ticketevent.content LIKE :query)" : "");
             $filters .= " (ticket.title LIKE :query or ticket.content LIKE :query or ticket.ticket_number LIKE :query". $ticketevent  ." )";
@@ -331,7 +331,7 @@ class SearchController extends Controller {
         $order .=  "ticket.closed asc, ticket.owner_id asc, ticket.unread_staff asc, ticket.priority desc, ticket.date desc ";
     }
     private function setEspecificOrder($orderBy, &$order){
-        if($orderBy != null){
+        if($orderBy !== null){
             $orientation = ($orderBy['asc'] ? " asc" : " desc" );
             $order .= "ticket." . $orderBy['value'] . $orientation . ",";
         };
@@ -339,7 +339,7 @@ class SearchController extends Controller {
     private function setStringOrder($querysearch, &$order){
         $ticketEventTableExists = RedBean::exec("select table_name from information_schema.tables where table_name = 'ticketevent';");
 
-        if($querysearch != null){
+        if($querysearch !== null){
             $ticketeventOrder =  ( $ticketEventTableExists ? " CASE WHEN (ticketevent.type = 'COMMENT' and ticketevent.content LIKE :query) THEN ticketevent.content END desc," : "");
             $order .= "CASE WHEN (ticket.ticket_number LIKE :query) THEN ticket.ticket_number END desc,CASE WHEN (ticket.title LIKE :query) THEN ticket.title END desc, CASE WHEN ( ticket.content LIKE :query) THEN ticket.content END desc," . $ticketeventOrder ;
         }
diff --git a/server/libs/validations/validDateRange.php b/server/libs/validations/validDateRange.php
index 05f6a3c2..b332909e 100644
--- a/server/libs/validations/validDateRange.php
+++ b/server/libs/validations/validDateRange.php
@@ -7,15 +7,15 @@ use Respect\Validation\Rules\AbstractRule;
 class ValidDateRange extends AbstractRule {
 
     public function validate($dateRange) {
-    	$dateArray = json_decode($dateRange);
-    	$counter = 0;
-    	if(is_array($dateArray)){	
-			foreach ($dateArray as $date) {
-				if (is_numeric($date)) $counter++;
-			}
+        $dateArray = json_decode($dateRange);
+        $length = count($dateArray);
 
-			return ((sizeof($dateArray) == 2  && $counter == 2) || sizeof($dateArray) == 0 );
-    	}
-    	return false;
-    }
-}
\ No newline at end of file
+        if(is_array($dateArray) && $length == 2  ){
+            foreach ($dateArray as $date) {
+                if (!is_numeric($date)) return false;
+            }
+            return $dateArray[0] <= $dateArray[1];
+        }
+        return false;
+   }
+}
diff --git a/server/libs/validations/validOrderBy.php b/server/libs/validations/validOrderBy.php
index 44466805..40babc27 100644
--- a/server/libs/validations/validOrderBy.php
+++ b/server/libs/validations/validOrderBy.php
@@ -8,15 +8,12 @@ class ValidOrderBy extends AbstractRule {
     public function validate($orderBy) {
         if(is_object(json_decode($orderBy))){
         	$values =["closed","owner_id","unread_staff","priority","date"];
-        	$isTrue = false;
+
             $object = json_decode($orderBy);
 
-        	if($object->asc !== 1 && $object->asc !== 0) return false;
+        	if(($object->asc !== 1 && $object->asc !== 0) || !in_array($object->value, $values)) return false;
 
-        	foreach ($values as $value) {
-        	 	if($object->value == $value) $isTrue = true;
-        	}
-            return $isTrue;
+            return true;
         }
     }
 }
diff --git a/server/libs/validations/validPriorities.php b/server/libs/validations/validPriorities.php
index 7313deec..aa3ba658 100644
--- a/server/libs/validations/validPriorities.php
+++ b/server/libs/validations/validPriorities.php
@@ -5,8 +5,8 @@ namespace CustomValidations;
 use Respect\Validation\Rules\AbstractRule;
 
 class ValidPriorities extends AbstractRule {
-    public function validate($prioritys) {
-    	$PriorityList = json_decode($prioritys);
+    public function validate($priorities) {
+    	$PriorityList = json_decode($priorities);
 
     	if(is_array($PriorityList)){
 			foreach (array_unique($PriorityList) as $priorityId) {