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Máté Kocsis
133 lines
3.6 KiB
XML
133 lines
3.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="closure.bind" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>Closure::bind</refname>
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<refpurpose>
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Duplicates a closure with a specific bound object and class scope
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis role="Closure">
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<modifier>public</modifier> <modifier>static</modifier> <type class="union"><type>Closure</type><type>null</type></type><methodname>Closure::bind</methodname>
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<methodparam><type>Closure</type><parameter>closure</parameter></methodparam>
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<methodparam><type class="union"><type>object</type><type>null</type></type><parameter>newThis</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>object</type><type>string</type><type>null</type></type><parameter>newScope</parameter><initializer>"static"</initializer></methodparam>
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</methodsynopsis>
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<para>
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This method is a static version of <methodname>Closure::bindTo</methodname>.
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See the documentation of that method for more information.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>closure</parameter></term>
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<listitem>
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<para>
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The anonymous functions to bind.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>newThis</parameter></term>
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<listitem>
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<para>
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The object to which the given anonymous function should be bound, or
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&null; for the closure to be unbound.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>newScope</parameter></term>
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<listitem>
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<para>
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The class scope to which the closure is to be associated, or
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'static' to keep the current one. If an object is given, the type of the
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object will be used instead. This determines the visibility of protected
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and private methods of the bound object.
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It is not allowed to pass (an object of) an internal class as this parameter.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns a new <classname>Closure</classname> object, or &null; on failure.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title><function>Closure::bind</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class A {
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private static $sfoo = 1;
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private $ifoo = 2;
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}
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$cl1 = static function() {
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return A::$sfoo;
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};
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$cl2 = function() {
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return $this->ifoo;
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};
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$bcl1 = Closure::bind($cl1, null, 'A');
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$bcl2 = Closure::bind($cl2, new A(), 'A');
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echo $bcl1(), "\n";
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echo $bcl2(), "\n";
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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1
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2
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member><link linkend="functions.anonymous">Anonymous functions</link></member>
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<member><methodname>Closure::bindTo</methodname></member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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