Fix for 'ReflectionType::__toString() beeing deprecated' error in

obtaining the data type to pass back.

Author: NigelRel3

.gitignore

@@ -4,3 +4,4 @@
 /composer.lock
 /composer.phar
 /tests/report/
+/.phpunit.result.cache

report/.gitignore

@@ -0,0 +1 @@
+/testdox.html

report/codeCoverage/.gitignore

@@ -0,0 +1,3 @@
+/dashboard.html
+/index.html
+/XMLReaderReg.php.html

report/codeCoverage/_css/.gitignore

@@ -0,0 +1,5 @@
+/bootstrap.min.css
+/custom.css
+/nv.d3.min.css
+/octicons.css
+/style.css

report/codeCoverage/_icons/.gitignore

@@ -0,0 +1,2 @@
+/file-code.svg
+/file-directory.svg

report/codeCoverage/_js/.gitignore

@@ -0,0 +1,6 @@
+/bootstrap.min.js
+/d3.min.js
+/file.js
+/jquery.min.js
+/nv.d3.min.js
+/popper.min.js

src/XMLReaderReg.php

@@ -188,7 +188,13 @@ private function processClosures() {
 
         foreach ( $this->dataMatch as $key => $callable )    {
             $reflection = new ReflectionFunction($callable);
-            $argType  = (string)$reflection->getParameters()[0]->getType();
+            $argType = $reflection->getParameters()[0]->getType();
+            if ( $argType != null ) {
+                $argType = $argType->getName();
+            }
+            else    {
+                $argType = 'string';
+            }
             // Set element associated closure according to type
             if ( isset($returnMethods[$argType]) )  {
                 $this->callableParam[ $key ] = $returnMethods[$argType];