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archived-doc-ru/reference/reflection/reflectionparameter/isarray.xml
Mikhail Alferov d96db32b2d Update 9b1673cf114a1e10c4563ab9223cb56aed552b89 to En (#1009)
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 9b1673cf114a1e10c4563ab9223cb56aed552b89 Maintainer: tmn Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="reflectionparameter.isarray" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>ReflectionParameter::isArray</refname>
<refpurpose>Проверяет, ожидает ли параметр массив в аргументе</refpurpose>
</refnamediv>
<refsynopsisdiv>
&warn.deprecated.function-8-0-0;
<para>Пример на этой странице показыват альтернативный способ, которым получают эту информацию.</para>
</refsynopsisdiv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="ReflectionParameter">
<modifier role="attribute">#[\Deprecated]</modifier>
<modifier>public</modifier> <type>bool</type><methodname>ReflectionParameter::isArray</methodname>
<void/>
</methodsynopsis>
<para>
Метод проверяет, ожидает ли параметр массив как значение аргумента.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Метод возвращает &true;, если параметр ожидает в аргументе значение с типом <type>array</type>,
иначе возвращает &false;.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
Метод устарел в пользу метода
<methodname>ReflectionParameter::getType</methodname>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Альтернатива в PHP 8.0.0</title>
<para>
Начиная с PHP 8.0.0 следующий код сообщит, объявляет ли тип массивы,
в том числе как часть объединения.
</para>
<programlisting role="php">
<![CDATA[
<?php
function declaresArray(ReflectionParameter $reflectionParameter): bool
{
$reflectionType = $reflectionParameter->getType();
if (!$reflectionType) {
return false;
}
$types = $reflectionType instanceof ReflectionUnionType
? $reflectionType->getTypes()
: [$reflectionType]
;
return in_array(
'array',
array_map(
fn(ReflectionNamedType $t) => $t->getName(),
$types
)
);
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>ReflectionParameter::isOptional</methodname></member>
</simplelist>
</para>
</refsect1>
</refentry>
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