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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 290998 $ -->
<refentry xml:id="reflectionparameter.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>ReflectionParameter::__construct</refname>
<refpurpose>Construct</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<methodname>ReflectionParameter::__construct</methodname>
<methodparam><type>string</type><parameter>function</parameter></methodparam>
<methodparam><type>string</type><parameter>parameter</parameter></methodparam>
</methodsynopsis>
<para>
Constructs a <classname>ReflectionParameter</classname> class.
</para>
&warn.undocumented.func;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>function</parameter></term>
<listitem>
<para>
The function to reflect parameters from.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>parameter</parameter></term>
<listitem>
<para>
The parameter.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Using the <classname>ReflectionParameter</classname> class</title>
<programlisting role="php">
<![CDATA[
<?php
function foo($a, $b, $c) { }
function bar(Exception $a, &$b, $c) { }
function baz(ReflectionFunction $a, $b = 1, $c = null) { }
function abc() { }
$reflect = new ReflectionFunction('foo');
echo $reflect;
foreach ($reflect->getParameters() as $i => $param) {
printf(
"-- Parameter #%d: %s {\n".
" Class: %s\n".
" Allows NULL: %s\n".
" Passed to by reference: %s\n".
" Is optional?: %s\n".
"}\n",
$i, // $param->getPosition() can be used from PHP 5.2.3
$param->getName(),
var_export($param->getClass(), 1),
var_export($param->allowsNull(), 1),
var_export($param->isPassedByReference(), 1),
$param->isOptional() ? 'yes' : 'no'
);
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Function [ <user> function foo ] {
@@ /Users/philip/cvs/phpdoc/a 2 - 2
- Parameters [3] {
Parameter #0 [ <required> $a ]
Parameter #1 [ <required> $b ]
Parameter #2 [ <required> $c ]
}
}
-- Parameter #0: a {
Class: NULL
Allows NULL: true
Passed to by reference: false
Is optional?: no
}
-- Parameter #1: b {
Class: NULL
Allows NULL: true
Passed to by reference: false
Is optional?: no
}
-- Parameter #2: c {
Class: NULL
Allows NULL: true
Passed to by reference: false
Is optional?: no
}
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>ReflectionFunction::__construct</methodname></member>
<member><methodname>ReflectionMethod::__construct</methodname></member>
<member><link linkend="language.oop5.decon.constructor">Constructors</link></member>
</simplelist>
</para>
</refsect1>
</refentry>
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-->
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