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https://github.com/php/doc-ru.git
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143 lines
4.0 KiB
XML
143 lines
4.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: bf92d8bd839301de7c837d20ab1dac6c14f83bbf Maintainer: rjhdby Status: ready -->
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<!-- Reviewed: no -->
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<reference xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" xml:id="class.volatile" role="class">
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<title>Класс Volatile</title>
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<titleabbrev>Volatile</titleabbrev>
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<partintro>
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<!-- {{{ Volatile intro -->
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<section xml:id="volatile.intro">
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&reftitle.intro;
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<simpara>
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Класс <classname>Volatile</classname> появился в pthreads v3.
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Его введение является следствием новой семантики неизменности
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<classname>Threaded</classname>-свойств классов <classname>Threaded</classname>.
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Класс <classname>Volatile</classname> включает иммутабельность
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их <classname>Threaded</classname>-свойств и, также, используется для
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хранения массивов PHP в контексте <classname>Threaded</classname>.
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</simpara>
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</section>
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<!-- }}} -->
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<section xml:id="volatile.synopsis">
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&reftitle.classsynopsis;
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<!-- {{{ Synopsis -->
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<classsynopsis>
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<ooclass><classname>Volatile</classname></ooclass>
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<!-- {{{ Class synopsis -->
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<classsynopsisinfo>
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<ooclass>
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<classname>Volatile</classname>
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</ooclass>
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<ooclass>
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<modifier>extends</modifier>
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<classname>Threaded</classname>
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</ooclass>
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<oointerface>
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<interfacename>Collectable</interfacename>
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</oointerface>
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<oointerface>
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<interfacename>Traversable</interfacename>
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</oointerface>
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</classsynopsisinfo>
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<classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>
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<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.threaded')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[not(@role='procedural')])">
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<xi:fallback/>
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</xi:include>
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</classsynopsis>
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<!-- }}} -->
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</section>
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<section xml:id="volatile.examples">
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&reftitle.examples;
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<example xml:id="volatile.example.immutable"><!-- {{{ -->
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<title>Новая семантика иммутабельности Threaded</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class Task extends Threaded
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{
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public function __construct()
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{
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$this->data = new Threaded();
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// попытка переопределить Threaded-свойство Threaded-класса (ошибка)
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$this->data = new stdClass();
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}
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}
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var_dump((new Task())->data);
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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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RuntimeException: Threaded members previously set to Threaded objects are immutable, cannot overwrite data in %s:%d
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]]>
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</screen>
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</example><!-- }}} -->
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<example xml:id="volatile.example.basic"><!-- {{{ -->
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<title>Пример использования Volatile</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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class Task extends Volatile
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{
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public function __construct()
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{
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$this->data = new Threaded();
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// попытка переопределить Threaded-свойство Volatile-класса (корректно)
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$this->data = new stdClass();
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}
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}
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var_dump((new Task())->data);
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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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object(stdClass)#3 (0) {
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}
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]]>
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</screen>
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</example><!-- }}} -->
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</section>
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</partintro>
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</reference>
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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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