Add Input Array checking before sanitization to avoid returning null …

…when array size is 0

src/mandryn_v1/MagicInput.php

@@ -228,9 +228,12 @@ public function toArray() {
      * @param boolean $apply_sanitize sanitize input before assign to object. Default to true.
      */
     public function copy_GET_properties($apply_sanitize = true) {
-
-        $GET_array = $apply_sanitize ? filter_input_array(INPUT_GET, FILTER_SANITIZE_STRING) : $_GET;
-
+        $GET_array = [];
+
+        if($this->is_non_empty_array($_GET)){
+            $GET_array = $apply_sanitize ? filter_input_array(INPUT_GET, FILTER_SANITIZE_STRING) : $_GET;
+        }        
+
         $this->copyArrayProperties($GET_array, true);
     }
 
@@ -239,9 +242,12 @@ public function copy_GET_properties($apply_sanitize = true) {
      * @param boolean $apply_sanitize sanitize input before assign to object. Default to true.
      */
     public function copy_POST_properties($apply_sanitize = true) {
-
-        $POST_array = $apply_sanitize ? filter_input_array(INPUT_POST, FILTER_SANITIZE_STRING) : $_POST;
-
+        $POST_array = [];
+
+        if($this->is_non_empty_array($_POST)){
+            $POST_array = $apply_sanitize ? filter_input_array(INPUT_POST, FILTER_SANITIZE_STRING) : $_POST;
+        }
+
         $this->copyArrayProperties($POST_array, true);
     }
 
@@ -263,5 +269,13 @@ public function copy_RAW_JSON_properties($apply_sanitize = true) {
             $this->copyArrayProperties($input);
         }
     }
+
+    private function is_non_empty_array($array){
+        if(is_array($array)){
+            return count($array)>0?true:false;
+        }else{
+            return false;
+        }
+    }
 
 }