doc-ru/reference/reflection/reflectionclass/hasmethod.xml at master · php/doc-ru · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: ec2fe9a592f794978114ef5021db9f1d00c2e05d Maintainer: aur Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="reflectionclass.hasmethod" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionClass::hasMethod</refname>
  <refpurpose>Проверяет, задан ли метод</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="ReflectionClass">
   <modifier>public</modifier> <type>bool</type><methodname>ReflectionClass::hasMethod</methodname>
   <methodparam><type>string</type><parameter>name</parameter></methodparam>
  </methodsynopsis>
  <para>
   Проверяет, определён ли в классе указанный метод или нет.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>name</parameter></term>
     <listitem>
      <para>
       Имя проверяемого метода.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &true;, если метод определён, в противном случае &false;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Пример использования <methodname>ReflectionClass::hasMethod</methodname></title>
    <programlisting role="php">
<![CDATA[
<?php
Class C {
    public function publicFoo() {
        return true;
    }

    protected function protectedFoo() {
        return true;
    }

    private function privateFoo() {
        return true;
    }

    static function staticFoo() {
        return true;
    }
}

$rc = new ReflectionClass("C");

var_dump($rc->hasMethod('publicFoo'));

var_dump($rc->hasMethod('protectedFoo'));

var_dump($rc->hasMethod('privateFoo'));

var_dump($rc->hasMethod('staticFoo'));

// C не имеет метода bar
var_dump($rc->hasMethod('bar'));

// Имена методов регистронезависимые
var_dump($rc->hasMethod('PUBLICfOO'));
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
bool(true)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionClass::hasConstant</methodname></member>
    <member><methodname>ReflectionClass::hasProperty</methodname></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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