Update miscellaneous variable handling functions. (#579)

Fix `print_r` Notes section before examples.
Fix `is_object`, `gettype` Example section before changelog.
Fix `get_defined_vars` No parameters sections.

Author: thinkverse

reference/var/functions/get-defined-vars.xml

@@ -20,6 +20,10 @@
    called. 
   </para>
  </refsect1>
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>

reference/var/functions/gettype.xml

@@ -75,6 +75,31 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <para>
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>7.2.0</entry>
+       <entry>
+        Closed resources are now reported as <literal>'resource (closed)'</literal>. 
+        Previously the returned value for closed resources were <literal>'unknown type'</literal>.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </para>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -107,31 +132,6 @@ string
   </para>
  </refsect1>
 
- <refsect1 role="changelog">
-  &reftitle.changelog;
-  <para>
-   <informaltable>
-    <tgroup cols="2">
-     <thead>
-      <row>
-       <entry>&Version;</entry>
-       <entry>&Description;</entry>
-      </row>
-     </thead>
-     <tbody>
-      <row>
-       <entry>7.2.0</entry>
-       <entry>
-        Closed resources are now reported as <literal>'resource (closed)'</literal>. 
-        Previously the returned value for closed resources were <literal>'unknown type'</literal>.
-       </entry>
-      </row>
-     </tbody>
-    </tgroup>
-   </informaltable>
-  </para>
- </refsect1>
-
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>

reference/var/functions/is-object.xml

@@ -41,6 +41,32 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <para>
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>7.2.0</entry>
+       <entry>
+        <function>is_object</function> now returns &true; for unserialized objects without 
+        a class definition (class of <classname>__PHP_Incomplete_Class</classname>). Previously 
+        &false; was returned.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </para>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -74,32 +100,6 @@ var_dump(get_students($obj));
   </para>
  </refsect1>
 
- <refsect1 role="changelog">
-  &reftitle.changelog;
-  <para>
-   <informaltable>
-    <tgroup cols="2">
-     <thead>
-      <row>
-       <entry>&Version;</entry>
-       <entry>&Description;</entry>
-      </row>
-     </thead>
-     <tbody>
-      <row>
-       <entry>7.2.0</entry>
-       <entry>
-        <function>is_object</function> now returns &true; for unserialized objects without 
-        a class definition (class of <classname>__PHP_Incomplete_Class</classname>). Previously 
-        &false; was returned.
-       </entry>
-      </row>
-     </tbody>
-    </tgroup>
-   </informaltable>
-  </para>
- </refsect1>
-
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>

reference/var/functions/print-r.xml

@@ -67,11 +67,6 @@
   </para>
  </refsect1>
 
- <refsect1 role="notes">
-  &reftitle.notes;
-  &note.uses-ob-php70;
- </refsect1>
-
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -122,6 +117,11 @@ $results = print_r($b, true); // $results now contains output from print_r
   </para>
  </refsect1>
 
+ <refsect1 role="notes">
+  &reftitle.notes;
+  &note.uses-ob-php70;
+ </refsect1>
+
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>