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<div id="reflectionproperty.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionProperty::__construct</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ReflectionProperty::__construct</span> &mdash; <span class="dc-title">ReflectionProperty オブジェクトを作成する</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionproperty.construct-description">
  <h3 class="title">説明</h3>
  <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionProperty::__construct</strong></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.object.php" class="type object">object</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$class</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$property</code></span>)</div>

 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionproperty.construct-parameters">
  <h3 class="title">パラメータ</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">class</code></dt>
     <dd>
      <p class="para">
       リフレクションするクラス、またはオブジェクトの名前を含む文字列。
      </p>
     </dd>
    
    
     <dt><code class="parameter">property</code></dt>
     <dd>
      <p class="para">
       調べたいプロパティの名前。
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-reflectionproperty.construct-errors">
  <h3 class="title">エラー / 例外</h3>
  <p class="para">
   private あるいは protected なプロパティの値を取得あるいは設定しようとすると、
   例外がスローされます。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-reflectionproperty.construct-examples">
  <h3 class="title">例</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>例1 <span class="methodname"><strong>ReflectionProperty::__construct()</strong></span> の例</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Str<br /></span><span style="color: #007700">{<br />    public </span><span style="color: #0000BB">$length  </span><span style="color: #007700">= </span><span style="color: #0000BB">5</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// ReflectionProperty クラスのインスタンスを作成します<br /></span><span style="color: #0000BB">$prop </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">'Str'</span><span style="color: #007700">, </span><span style="color: #DD0000">'length'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 基本情報を表示します<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(<br />    </span><span style="color: #DD0000">"===&gt; The%s%s%s%s property '%s' (which was %s)\n" </span><span style="color: #007700">.<br />    </span><span style="color: #DD0000">"     having the modifiers %s\n"</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isPublic</span><span style="color: #007700">() ? </span><span style="color: #DD0000">' public' </span><span style="color: #007700">: </span><span style="color: #DD0000">''</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isPrivate</span><span style="color: #007700">() ? </span><span style="color: #DD0000">' private' </span><span style="color: #007700">: </span><span style="color: #DD0000">''</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isProtected</span><span style="color: #007700">() ? </span><span style="color: #DD0000">' protected' </span><span style="color: #007700">: </span><span style="color: #DD0000">''</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isStatic</span><span style="color: #007700">() ? </span><span style="color: #DD0000">' static' </span><span style="color: #007700">: </span><span style="color: #DD0000">''</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getName</span><span style="color: #007700">(),<br />        </span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">isDefault</span><span style="color: #007700">() ? </span><span style="color: #DD0000">'declared at compile-time' </span><span style="color: #007700">: </span><span style="color: #DD0000">'created at run-time'</span><span style="color: #007700">,<br />        </span><span style="color: #0000BB">var_export</span><span style="color: #007700">(</span><span style="color: #0000BB">Reflection</span><span style="color: #007700">::</span><span style="color: #0000BB">getModifierNames</span><span style="color: #007700">(</span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getModifiers</span><span style="color: #007700">()), </span><span style="color: #0000BB">true</span><span style="color: #007700">)<br />);<br /><br /></span><span style="color: #FF8000">// Str のインスタンスを作成します<br /></span><span style="color: #0000BB">$obj</span><span style="color: #007700">= new </span><span style="color: #0000BB">Str</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// 現在の値を取得します<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt; Value is: "</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// 値を変更します<br /></span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">, </span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"---&gt; Setting value to 10, new value is: "</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// オブジェクトを出力します<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>上の例の出力は、
たとえば以下のようになります。</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">===&gt; The public property &#039;length&#039; (which was declared at compile-time)
     having the modifiers array (
  0 =&gt; &#039;public&#039;,
)
---&gt; Value is: int(5)
---&gt; Setting value to 10, new value is: int(10)
object(Str)#2 (1) {
  [&quot;length&quot;]=&gt;
  int(10)
}</pre>
</div>
    </div>
   </div>
   <div class="example" id="example-2">
    <p><strong>例2 <span class="classname"><a href="class.reflectionproperty.php" class="classname">ReflectionProperty</a></span> クラスを用いた、private および protected プロパティの値の取得</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Foo<br /></span><span style="color: #007700">{<br />    public </span><span style="color: #0000BB">$x </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />    protected </span><span style="color: #0000BB">$y </span><span style="color: #007700">= </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br />    private </span><span style="color: #0000BB">$z </span><span style="color: #007700">= </span><span style="color: #0000BB">3</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$obj </span><span style="color: #007700">= new </span><span style="color: #0000BB">Foo</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$prop </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">'Foo'</span><span style="color: #007700">, </span><span style="color: #DD0000">'y'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setAccessible</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">)); </span><span style="color: #FF8000">// int(2)<br /><br /></span><span style="color: #0000BB">$prop </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionProperty</span><span style="color: #007700">(</span><span style="color: #DD0000">'Foo'</span><span style="color: #007700">, </span><span style="color: #DD0000">'z'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setAccessible</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$prop</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$obj</span><span style="color: #007700">)); </span><span style="color: #FF8000">// int(2)<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>上の例の出力は、
たとえば以下のようになります。</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">int(2)
int(3)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionproperty.construct-seealso">
  <h3 class="title">参考</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="reflectionproperty.getname.php" class="methodname" rel="rdfs-seeAlso">ReflectionProperty::getName()</a> - プロパティ名を取得する</span></li>
    <li><a href="language.oop5.decon.php#language.oop5.decon.constructor" class="link">コンストラクタ</a></li>
   </ul>
  </p>
 </div>


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