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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="countable.count" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>Countable::count</refname>
<refpurpose>Count elements of an object</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="Countable">
<modifier>public</modifier> <type>int</type><methodname>Countable::count</methodname>
<void/>
</methodsynopsis>
<simpara>
This method is executed when the <parameter>value</parameter> for
<function>count</function> is an object implementing
<classname>Countable</classname>.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
The custom count as an <type>int</type>.
</simpara>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>Countable::count</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class Counter implements Countable
{
private $count = 0;
public function count(): int
{
return ++$this->count;
}
}
$counter = new Counter;
for ($i = 0; $i < 10; ++$i) {
echo "I have been count()ed " . count($counter) . " times\n";
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
I have been count()ed 1 times
I have been count()ed 2 times
I have been count()ed 3 times
I have been count()ed 4 times
I have been count()ed 5 times
I have been count()ed 6 times
I have been count()ed 7 times
I have been count()ed 8 times
I have been count()ed 9 times
I have been count()ed 10 times
]]>
</screen>
</example>
</refsect1>
</refentry>
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sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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