* [task#144636] unset useless data.

module/metric/calc/execution/scale/count_of_bug_in_pri_in_execution.php

@@ -36,8 +36,11 @@ class count_of_bug_in_pri_in_execution extends baseCalc
     {
         foreach($this->result as $pri => $bugs)
         {
-            if(!is_array($bugs)) continue;
-
+            if(!is_array($bugs))
+            {
+                unset($this->result[$pri]);
+                continue;
+            }
             $this->result[$pri] = count($bugs);
         }
 

module/metric/calc/execution/scale/count_of_bug_in_resolution_in_execution.php

@@ -36,8 +36,11 @@ class count_of_bug_in_resolution_in_execution extends baseCalc
     {
         foreach($this->result as $resolution => $bugs)
         {
-            if(!is_array($bugs)) continue;
-
+            if(!is_array($bugs))
+            {
+                unset($this->result[$resolution]);
+                continue;
+            }
             $this->result[$resolution] = count($bugs);
         }
 

module/metric/calc/execution/scale/count_of_bug_in_severity_in_execution.php

@@ -36,7 +36,11 @@ class count_of_bug_in_severity_in_execution extends baseCalc
     {
         foreach($this->result as $severity => $bugs)
         {
-            if(!is_array($bugs)) continue;
+            if(!is_array($bugs))
+            {
+                unset($this->result[$severity]);
+                continue;
+            }
 
             $this->result[$severity] = count($bugs);
         }

module/metric/calc/execution/scale/count_of_bug_in_type_in_execution.php

@@ -36,7 +36,11 @@ class count_of_bug_in_type_in_execution extends baseCalc
     {
         foreach($this->result as $type => $bugs)
         {
-            if(!is_array($bugs)) continue;
+            if(!is_array($bugs))
+            {
+                unset($this->result[$type]);
+                continue;
+            }
 
             $this->result[$type] = count($bugs);
         }

module/metric/calc/execution/scale/count_of_case_in_status_in_execution.php

@@ -36,8 +36,11 @@ class count_of_case_in_status_in_execution extends baseCalc
     {
         foreach($this->result as $status => $cases)
         {
-            if(!is_array($cases)) continue;
-
+            if(!is_array($cases))
+            {
+                unset($this->result[$status]);
+                continue;
+            }
             $this->result[$status] = count($cases);
         }