ArrayObject::__construct Replace tag and implement → extend + CS (#4416)

Author: mmalferov

reference/spl/arrayobject/construct.xml

@@ -15,7 +15,7 @@
    <methodparam choice="opt"><type>string</type><parameter>iteratorClass</parameter><initializer>ArrayIterator::class</initializer></methodparam>
   </constructorsynopsis>
   <para>
-   This constructs a new array <type>object</type>. 
+   This constructs a new array <type>object</type>.
   </para>
  </refsect1>
 
@@ -27,7 +27,7 @@
      <term><parameter>array</parameter></term>
      <listitem>
       <para>
-       The <parameter>array</parameter> parameter accepts an 
+       The <parameter>array</parameter> parameter accepts an
        <type>array</type> or an <type>Object</type>.
       </para>
      </listitem>
@@ -46,7 +46,7 @@
      <listitem>
       <para>
        Specify the class that will be used for iteration of the <classname>ArrayObject</classname> object.
-       The class must implement <interfacename>ArrayIterator</interfacename>.
+       The class must extend the <classname>ArrayIterator</classname> class.
       </para>
      </listitem>
     </varlistentry>
@@ -62,13 +62,17 @@
     <programlisting role="php">
 <![CDATA[
 <?php
-$array = array('1' => 'one',
-               '2' => 'two',
-               '3' => 'three');
+
+$array = [
+    '1' => 'one',
+    '2' => 'two',
+    '3' => 'three'
+];
 
 $arrayobject = new ArrayObject($array);
 
 var_dump($arrayobject);
+
 ?>
 ]]>
     </programlisting>