Code improvements (#1649)

* use global namespace for faster lookups
* phpstan level 5

src/Entity/ActivityMeta.php

@@ -39,7 +39,7 @@ class ActivityMeta implements MetaTableTypeInterface
     {
         if (!($entity instanceof Activity)) {
             throw new \InvalidArgumentException(
-                sprintf('Expected instanceof Activity, received "%s"', get_class($entity))
+                sprintf('Expected instanceof Activity, received "%s"', \get_class($entity))
             );
         }
         $this->activity = $entity;

src/Entity/CustomerMeta.php

@@ -39,7 +39,7 @@ class CustomerMeta implements MetaTableTypeInterface
     {
         if (!($entity instanceof Customer)) {
             throw new \InvalidArgumentException(
-                sprintf('Expected instanceof Customer, received "%s"', get_class($entity))
+                sprintf('Expected instanceof Customer, received "%s"', \get_class($entity))
             );
         }
         $this->customer = $entity;

src/Entity/ProjectMeta.php

@@ -39,7 +39,7 @@ class ProjectMeta implements MetaTableTypeInterface
     {
         if (!($entity instanceof Project)) {
             throw new \InvalidArgumentException(
-                sprintf('Expected instanceof Project, received "%s"', get_class($entity))
+                sprintf('Expected instanceof Project, received "%s"', \get_class($entity))
             );
         }
         $this->project = $entity;

src/Entity/TimesheetMeta.php

@@ -39,7 +39,7 @@ class TimesheetMeta implements MetaTableTypeInterface
     {
         if (!($entity instanceof Timesheet)) {
             throw new \InvalidArgumentException(
-                sprintf('Expected instanceof Timesheet, received "%s"', get_class($entity))
+                sprintf('Expected instanceof Timesheet, received "%s"', \get_class($entity))
             );
         }
         $this->timesheet = $entity;