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178 lines
4.6 KiB
XML
178 lines
4.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 348789addeedc32858ec0e29ec44fada391aecb3 Maintainer: sergey Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="reflectionfunctionabstract.getclosurecalledclass" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>ReflectionFunctionAbstract::getClosureCalledClass</refname>
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<refpurpose>Возвращает класс, соответствующий static:: внутри замыкания</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="ReflectionFunctionAbstract">
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<modifier>public</modifier> <type class="union"><type>ReflectionClass</type><type>null</type></type><methodname>ReflectionFunctionAbstract::getClosureCalledClass</methodname>
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<void/>
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</methodsynopsis>
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<simpara>
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Возвращает класс в виде <classname>ReflectionClass</classname>,
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который соответствует <literal>static::</literal> внутри
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<classname>Closure</classname>.
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</simpara>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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&no.function.parameters;
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<simpara>
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Метод возвращает класс в виде <classname>ReflectionClass</classname>,
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который соответствует <literal>static::</literal> внутри <classname>Closure</classname>.
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Если функция не является замыканием или имеет глобальную область видимости,
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вместо неё возвращается &null;.
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</simpara>
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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>
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Пример, демонстрирующий разницу между
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<methodname>ReflectionFunctionAbstract::getClosureCalledClass</methodname>,
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<methodname>ReflectionFunctionAbstract::getClosureScopeClass</methodname>
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и <methodname>ReflectionFunctionAbstract::getClosureThis</methodname>
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с помощью метода экземпляра:
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</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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public function getClosure() {
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var_dump(self::class, static::class);
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return function () {
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};
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}
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}
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class B extends A {
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}
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$b = new B();
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$c = $b->getClosure();
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$r = new ReflectionFunction($c);
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var_dump($r->getClosureThis()); // $this === $b
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var_dump($r->getClosureScopeClass()); // self::class
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var_dump($r->getClosureCalledClass()); // static::class
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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string(1) "A"
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string(1) "B"
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object(B)#1 (0) {
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}
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object(ReflectionClass)#4 (1) {
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["name"]=>
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string(1) "A"
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}
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object(ReflectionClass)#4 (1) {
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["name"]=>
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string(1) "B"
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}
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]]>
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</screen>
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</example>
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<example>
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<title>
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Пример, демонстрирующий разницу между
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<methodname>ReflectionFunctionAbstract::getClosureCalledClass</methodname>,
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<methodname>ReflectionFunctionAbstract::getClosureScopeClass</methodname>
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и <methodname>ReflectionFunctionAbstract::getClosureThis</methodname>
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со статическим методом:
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</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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public function getClosure() {
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var_dump(self::class, static::class);
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return static function () {
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};
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}
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}
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class B extends A {
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}
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$b = new B();
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$c = $b->getClosure();
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$r = new ReflectionFunction($c);
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var_dump($r->getClosureThis()); // NULL
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var_dump($r->getClosureScopeClass()); // self::class
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var_dump($r->getClosureCalledClass()); // static::class
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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string(1) "A"
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string(1) "B"
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NULL
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object(ReflectionClass)#4 (1) {
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["name"]=>
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string(1) "A"
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}
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object(ReflectionClass)#4 (1) {
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["name"]=>
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string(1) "B"
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}
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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><methodname>ReflectionFunctionAbstract::getClosureScopeClass</methodname></member>
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<member><methodname>ReflectionFunctionAbstract::getClosureThis</methodname></member>
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<member><xref linkend="language.oop5.late-static-bindings" /></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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