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https://github.com/php/doc-ru.git
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191 lines
4.4 KiB
XML
191 lines
4.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 54c9db669dc89cabc3fa9d5f75af088957e1fd2c Maintainer: sergey Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="reflectionparameter.getattributes" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>ReflectionParameter::getAttributes</refname>
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<refpurpose>Получает атрибуты</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="ReflectionParameter">
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<modifier>public</modifier> <type>array</type><methodname>ReflectionParameter::getAttributes</methodname>
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<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>name</parameter><initializer>&null;</initializer></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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Метод возвращает все атрибуты, которые объявили в параметре, в виде массива <type>ReflectionAttribute</type>.
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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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&reflection.getattributes.param.name;
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&reflection.getattributes.param.flags;
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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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Массив атрибутов в виде объекта <classname>ReflectionAttribute</classname>.
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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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<para>
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<example>
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<title>Простой пример</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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#[Attribute]
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class Fruit {}
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#[Attribute]
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class Red {}
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function fruitBasket(
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#[Fruit]
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#[Red]
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string $apple
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) {}
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$reflection = new ReflectionFunction('fruitBasket');
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$parameter = $reflection->getParameters()[0];
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$attributes = $parameter->getAttributes();
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print_r(array_map(fn($attribute) => $attribute->getName(), $attributes));
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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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Array
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(
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[0] => Fruit
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[1] => Red
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)
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Фильтрация результатов по названию класса</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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#[Attribute]
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class Fruit {}
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#[Attribute]
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class Red {}
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function fruitBasket(
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#[Fruit]
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#[Red]
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string $apple
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) {}
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$reflection = new ReflectionFunction('fruitBasket');
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$parameter = $reflection->getParameters()[0];
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$attributes = $parameter->getAttributes('Fruit');
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print_r(array_map(fn($attribute) => $attribute->getName(), $attributes));
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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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Array
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(
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[0] => Fruit
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)
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]]>
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</screen>
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</example>
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</para>
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<para>
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<example>
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<title>Фильтрация результатов по названию класса, с наследованием</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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interface Color {}
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#[Attribute]
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class Fruit {}
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#[Attribute]
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class Red implements Color {}
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function fruitBasket(
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#[Fruit]
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#[Red]
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string $apple
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) {}
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$reflection = new ReflectionFunction('fruitBasket');
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$parameter = $reflection->getParameters()[0];
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$attributes = $parameter->getAttributes('Color', ReflectionAttribute::IS_INSTANCEOF);
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print_r(array_map(fn($attribute) => $attribute->getName(), $attributes));
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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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Array
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(
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[0] => Red
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)
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><methodname>ReflectionClass::getAttributes</methodname></member>
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<member><methodname>ReflectionClassConstant::getAttributes</methodname></member>
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<member><methodname>ReflectionFunctionAbstract::getAttributes</methodname></member>
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<member><methodname>ReflectionProperty::getAttributes</methodname></member>
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</simplelist>
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</para>
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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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