Add change log and warnings

Author: kocsismate

reference/simplexml/simplexmlelement/current.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>SimpleXMLElement</type><methodname>SimpleXMLElement::current</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::current</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+  
   <para>
    This method returns the current element as a <classname>SimpleXMLElement</classname> object.
   </para>

reference/simplexml/simplexmlelement/getchildren.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type class="union"><type>SimpleXMLElement</type><type>null</type></type><methodname>SimpleXMLElement::getChildren</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::getChildren</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+
   <para>
    This method returns a <classname>SimpleXMLElement</classname> object
    containing sub-elements of the current <classname>SimpleXMLElement</classname>

reference/simplexml/simplexmlelement/haschildren.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>bool</type><methodname>SimpleXMLElement::hasChildren</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0 <methodname>SimpleXMLElement::hasChildren</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+
   <para>
    This method checks whether the current <classname>SimpleXMLElement</classname> element has sub-elements.
   </para>

reference/simplexml/simplexmlelement/key.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>string</type><methodname>SimpleXMLElement::key</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::key</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+  
   <para>
    This method gets the XML tag name of the current element.
   </para>

reference/simplexml/simplexmlelement/next.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>void</type><methodname>SimpleXMLElement::next</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::next</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+
   <para>
    This method moves the <classname>SimpleXMLElement</classname> to the next element.
   </para>

reference/simplexml/simplexmlelement/rewind.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>void</type><methodname>SimpleXMLElement::rewind</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::rewind</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+
   <para>
    This method rewinds the <classname>SimpleXMLElement</classname> to the first element.
   </para>

reference/simplexml/simplexmlelement/valid.xml

@@ -11,6 +11,14 @@
    <modifier>public</modifier> <type>bool</type><methodname>SimpleXMLElement::valid</methodname>
    <void/>
   </methodsynopsis>
+
+  <warning>
+   <simpara>
+    Before PHP 8.0, <methodname>SimpleXMLElement::valid</methodname> was declared on
+    <classname>SimpleXMLIterator</classname>, available as of PHP 5.
+   </simpara>
+  </warning>
+
   <para>
    This method checks if the current element is valid after calls to
    <methodname>SimpleXMLElement::rewind</methodname> or

reference/simplexml/simplexmliterator.xml

@@ -71,6 +71,16 @@
       </row>
      </thead>
      <tbody>
+      <row>
+       <entry>8.0.0</entry>
+       <entry>
+        Iterator methods (<methodname>SimpleXMLIterator::hasChildren</methodname>,
+        <methodname>SimpleXMLIterator::getChildren</methodname>,
+        <methodname>SimpleXMLIterator::current</methodname>, <methodname>SimpleXMLIterator::key</methodname>,
+        <methodname>SimpleXMLIterator::next</methodname>,<methodname>SimpleXMLIterator::rewind</methodname>,
+        <methodname>SimpleXMLIterator::valid</methodname>) were moved to <classname>SimpleXMLElement</classname>.
+       </entry>
+      </row>
       <row>
        <entry>8.0.0</entry>
        <entry>