php-doc-en/reference/reflection/reflectionmethod/construct.xml
2019-04-08 06:23:00 +00:00

192 lines
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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="reflectionmethod.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>ReflectionMethod::__construct</refname>
<refpurpose>Constructs a ReflectionMethod</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <methodname>ReflectionMethod::__construct</methodname>
<methodparam><type>mixed</type><parameter>class</parameter></methodparam>
<methodparam><type>string</type><parameter>name</parameter></methodparam>
</methodsynopsis>
<methodsynopsis>
<modifier>public</modifier> <methodname>ReflectionMethod::__construct</methodname>
<methodparam><type>string</type><parameter>class_method</parameter></methodparam>
</methodsynopsis>
<para>
Constructs a new <classname>ReflectionMethod</classname>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>class</parameter></term>
<listitem>
<para>
Classname or object (instance of the class) that contains the method.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>name</parameter></term>
<listitem>
<para>
Name of the method.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>class_method</parameter></term>
<listitem>
<para>
Class name and method name delimited by <literal>::</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
A <classname>ReflectionException</classname> is thrown if the given method does not exist.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><methodname>ReflectionMethod::__construct</methodname> example</title>
<programlisting role="php">
<![CDATA[
<?php
class Counter
{
private static $c = 0;
/**
* Increment counter
*
* @final
* @static
* @access public
* @return int
*/
final public static function increment()
{
return ++self::$c;
}
}
// Create an instance of the ReflectionMethod class
$method = new ReflectionMethod('Counter', 'increment');
// Print out basic information
printf(
"===> The %s%s%s%s%s%s%s method '%s' (which is %s)\n" .
" declared in %s\n" .
" lines %d to %d\n" .
" having the modifiers %d[%s]\n",
$method->isInternal() ? 'internal' : 'user-defined',
$method->isAbstract() ? ' abstract' : '',
$method->isFinal() ? ' final' : '',
$method->isPublic() ? ' public' : '',
$method->isPrivate() ? ' private' : '',
$method->isProtected() ? ' protected' : '',
$method->isStatic() ? ' static' : '',
$method->getName(),
$method->isConstructor() ? 'the constructor' : 'a regular method',
$method->getFileName(),
$method->getStartLine(),
$method->getEndline(),
$method->getModifiers(),
implode(' ', Reflection::getModifierNames($method->getModifiers()))
);
// Print documentation comment
printf("---> Documentation:\n %s\n", var_export($method->getDocComment(), true));
// Print static variables if existant
if ($statics= $method->getStaticVariables()) {
printf("---> Static variables: %s\n", var_export($statics, true));
}
// Invoke the method
printf("---> Invocation results in: ");
var_dump($method->invoke(NULL));
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
===> The user-defined final public static method 'increment' (which is a regular method)
declared in /Users/philip/cvs/phpdoc/test.php
lines 14 to 17
having the modifiers 261[final public static]
---> Documentation:
'/**
* Increment counter
*
* @final
* @static
* @access public
* @return int
*/'
---> Invocation results in: int(1)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>ReflectionMethod::export</methodname></member>
<member><link linkend="language.oop5.decon.constructor">Constructors</link></member>
</simplelist>
</para>
</refsect1>
</refentry>
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