archived-doc-zh/reference/reflection/reflectionmethod/invokeargs.xml

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<refentry xml:id="reflectionmethod.invokeargs" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionMethod::invokeArgs</refname>
  <refpurpose>带参数执行</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="ReflectionMethod">
   <modifier>public</modifier> <type>mixed</type><methodname>ReflectionMethod::invokeArgs</methodname>
   <methodparam><type class="union"><type>object</type><type>null</type></type><parameter>object</parameter></methodparam>
   <methodparam><type>array</type><parameter>args</parameter></methodparam>
  </methodsynopsis>
  <para>
   使用数组给方法传送参数，并执行他。
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>object</parameter></term>
     <listitem>
      <para>
       调用方法的对象，如果是静态对象，设置为 <type>null</type>
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>args</parameter></term>
     <listitem>
      <para>
       使用 <type>array</type> 传送的方法参数。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回方法返回值。
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   如果 <parameter>object</parameter> 指定的实例无法执行方法，那么产生
   <classname>ReflectionException</classname> 异常。
  </para>
  <para>
   如果方法调用失败，产生 <classname>ReflectionException</classname>
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        <parameter>args</parameter> 的键现在将解释为参数的名称，而不是默默忽略。
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><methodname>ReflectionMethod::invokeArgs</methodname> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
class HelloWorld {

    public function sayHelloTo($name) {
        return 'Hello ' . $name;
    }

}

$reflectionMethod = new ReflectionMethod('HelloWorld', 'sayHelloTo');
echo $reflectionMethod->invokeArgs(new HelloWorld(), array('Mike'));
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Hello Mike
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    &reflection.invoke.reference;
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionMethod::invoke</methodname></member>
    <member><link linkend="object.invoke">__invoke()</link></member>
    <member><function>call_user_func_array</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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