iteratoraggregate.xml: formatted the example code

php/doc-en@20b4b38

language/predefined/iteratoraggregate.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: f94d903985119d3ac00f4528551df947f57b667f Maintainer: satoruyoshida Status: ready -->
+<!-- EN-Revision: 20b4b383127faaf37495d7746885f2bb674a1a33 Maintainer: satoruyoshida Status: ready -->
 <phpdoc:classref xml:id="class.iteratoraggregate" xmlns:phpdoc="http://php.net/ns/phpdoc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
 
  <title>IteratorAggregate インターフェイス</title>
@@ -47,27 +47,32 @@
     <programlisting role="php">
 <![CDATA[
 <?php
-class myData implements IteratorAggregate {
+
+class myData implements IteratorAggregate
+{
     public $property1 = "Public property one";
     public $property2 = "Public property two";
     public $property3 = "Public property three";
     public $property4 = "";
 
-    public function __construct() {
+    public function __construct()
+    {
         $this->property4 = "last property";
     }
 
-    public function getIterator(): Traversable {
+    public function getIterator(): Traversable
+    {
         return new ArrayIterator($this);
     }
 }
 
-$obj = new myData;
+$obj = new myData();
 
-foreach($obj as $key => $value) {
+foreach ($obj as $key => $value) {
     var_dump($key, $value);
     echo "\n";
 }
+
 ?>
 ]]>
     </programlisting>