count.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="simplexmlelement.count" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>SimpleXMLElement::count</refname>
  <refpurpose>Counts the children of an element</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="SimpleXMLElement">
   <modifier>public</modifier> <type>int</type><methodname>SimpleXMLElement::count</methodname>
   <void/>
  </methodsynopsis>
  <para>
   This method counts the number of children of an element.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the number of elements of an element.
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Counting the number of children</title>
    <programlisting role="php">
<![CDATA[
<?php
$xml = <<<EOF
<people>
 <person name="Person 1">
  <child/>
  <child/>
  <child/>
 </person>
 <person name="Person 2">
  <child/>
  <child/>
  <child/>
  <child/>
  <child/>
 </person>
</people>
EOF;

$elem = new SimpleXMLElement($xml);

foreach ($elem as $person) {
    printf("%s has got %d children.\n", $person['name'], $person->count());
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Person 1 has got 3 children.
Person 2 has got 5 children.
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>SimpleXMLElement::children</methodname></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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