<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="recursivearrayiterator.haschildren" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>RecursiveArrayIterator::hasChildren</refname>
  <refpurpose>Returns whether current entry is an array or an object</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="RecursiveArrayIterator">
   <modifier>public</modifier> <type>bool</type><methodname>RecursiveArrayIterator::hasChildren</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Returns whether current entry is an <type>array</type> or an <type>object</type> for
   which an iterator can be obtained via
   <methodname>RecursiveArrayIterator::getChildren</methodname>.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns &true; if the current entry is an <type>array</type> or an <type>object</type>,
   otherwise &false; is returned.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>RecursiveArrayIterator::hasChildren</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$fruits = array("a" => "lemon", "b" => "orange", array("a" => "apple", "p" => "pear"));

$iterator = new RecursiveArrayIterator($fruits);

while ($iterator->valid()) {

    // Check if there are children
    if ($iterator->hasChildren()) {
        // print all children
        foreach ($iterator->getChildren() as $key => $value) {
            echo $key . ' : ' . $value . "\n";
        }
    } else {
        echo "No children.\n";
    }

    $iterator->next();
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
No children.
No children.
a : apple
p : pear

]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>RecursiveArrayIterator::getChildren</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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