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<div id="class.recursivearrayiterator" class="reference">
 <h1 class="title">RecursiveArrayIterator クラス</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 5 &gt;= 5.1.0, PHP 7, PHP 8)</p>


  <div class="section" id="recursivearrayiterator.intro">
   <h2 class="title">はじめに</h2>
   <p class="para">
    このイテレータは、<span class="type"><a href="class.arrayiterator.php" class="type ArrayIterator">ArrayIterator</a></span> と同じように配列やオブジェクトを反復処理しつつ、
    そのキーや値を消去したり書き換えたりすることができます。
    さらに、現在のイテレータのエントリを反復処理することも可能です。
   </p>
  </div>


  <div class="section" id="recursivearrayiterator.synopsis">
   <h2 class="title">クラス概要</h2>


   <div class="classsynopsis"><div class="classsynopsisinfo">
    
     <span class="modifier">class</span> <strong class="classname"><strong class="classname">RecursiveArrayIterator</strong></strong>
    

    
     <span class="modifier">extends</span>
      <a href="class.arrayiterator.php" class="classname">ArrayIterator</a>
    

    
     <span class="modifier">implements</span>
      <a href="class.recursiveiterator.php" class="interfacename">RecursiveIterator</a> {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 継承した定数 */</div>
    <div class="fieldsynopsis">
     <span class="modifier">public</span>
     <span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.arrayiterator.php#arrayiterator.constants.std-prop-list"><var class="varname">ArrayIterator::STD_PROP_LIST</var></a></var>;</div>
<div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.arrayiterator.php#arrayiterator.constants.array-as-props"><var class="varname">ArrayIterator::ARRAY_AS_PROPS</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 定数 */</div>
    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.recursivearrayiterator.php#recursivearrayiterator.constants.child-arrays-only"><var class="varname">CHILD_ARRAYS_ONLY</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* メソッド */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="recursivearrayiterator.getchildren.php" class="methodname">getChildren</a></span>(): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="class.recursivearrayiterator.php" class="type RecursiveArrayIterator">RecursiveArrayIterator</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="recursivearrayiterator.haschildren.php" class="methodname">hasChildren</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 継承したメソッド */</div>
    <div class="constructorsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.construct.php" class="methodname">ArrayIterator::__construct</a></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.object.php" class="type object">object</a></span></span> <code class="parameter">$array</code><span class="initializer"> = []</span></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code><span class="initializer"> = 0</span></span>)</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.append.php" class="methodname">ArrayIterator::append</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.asort.php" class="methodname">ArrayIterator::asort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code><span class="initializer"> = <strong><code><a href="array.constants.php#constant.sort-regular">SORT_REGULAR</a></code></strong></span></span>): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.count.php" class="methodname">ArrayIterator::count</a></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.current.php" class="methodname">ArrayIterator::current</a></span>(): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.getarraycopy.php" class="methodname">ArrayIterator::getArrayCopy</a></span>(): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.getflags.php" class="methodname">ArrayIterator::getFlags</a></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.key.php" class="methodname">ArrayIterator::key</a></span>(): <span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.ksort.php" class="methodname">ArrayIterator::ksort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code><span class="initializer"> = <strong><code><a href="array.constants.php#constant.sort-regular">SORT_REGULAR</a></code></strong></span></span>): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.natcasesort.php" class="methodname">ArrayIterator::natcasesort</a></span>(): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.natsort.php" class="methodname">ArrayIterator::natsort</a></span>(): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.next.php" class="methodname">ArrayIterator::next</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.offsetexists.php" class="methodname">ArrayIterator::offsetExists</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.offsetget.php" class="methodname">ArrayIterator::offsetGet</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.offsetset.php" class="methodname">ArrayIterator::offsetSet</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.offsetunset.php" class="methodname">ArrayIterator::offsetUnset</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.rewind.php" class="methodname">ArrayIterator::rewind</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.seek.php" class="methodname">ArrayIterator::seek</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$offset</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.serialize.php" class="methodname">ArrayIterator::serialize</a></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.setflags.php" class="methodname">ArrayIterator::setFlags</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.uasort.php" class="methodname">ArrayIterator::uasort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.uksort.php" class="methodname">ArrayIterator::uksort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.unserialize.php" class="methodname">ArrayIterator::unserialize</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$data</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayiterator.valid.php" class="methodname">ArrayIterator::valid</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

   }</div>

  </div>

  <div class="section" id="recursivearrayiterator.constants">
   <h2 class="title">定義済み定数</h2>
   <div class="section" id="recursivearrayiterator.constants.flags">
    <h2 class="title">RecursiveArrayIterator フラグ</h2>
    <dl>
     
      <dt id="recursivearrayiterator.constants.child-arrays-only"><strong><code><a href="class.recursivearrayiterator.php#recursivearrayiterator.constants.child-arrays-only">RecursiveArrayIterator::CHILD_ARRAYS_ONLY</a></code></strong></dt>
      <dd>
       <p class="para">(オブジェクトではなく)配列のみが、再帰的な走査が可能な子を持つと見なす</p>
      </dd>
     
    </dl>
   </div>
  </div>



 </div>

 












<h2>目次</h2><ul class="chunklist chunklist_reference"><li><a href="recursivearrayiterator.getchildren.php">RecursiveArrayIterator::getChildren</a> — 現在のエントリが配列あるいはオブジェクトである場合に、そのイテレータを返す</li><li><a href="recursivearrayiterator.haschildren.php">RecursiveArrayIterator::hasChildren</a> — 現在のエントリが配列あるいはオブジェクトであるかどうかを返す</li></ul>
</div>
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