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<div id="class.arrayobject" class="reference">
 <h1 class="title">A classe ArrayObject</h1>
 

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


  <div class="section" id="arrayobject.intro">
   <h2 class="title">Introdução</h2>
   <p class="para">
    Esta classe permite que objetos funcionem como arrays.
   </p>
   <blockquote class="note"><p><strong class="note">Nota</strong>: 
    <span class="simpara">
     Empacotar objetos com esta classe tem uma falha fundamental e portanto seu uso com objetos é desencorajado.
    </span>
   </p></blockquote>
  </div>


  <div class="section" id="arrayobject.synopsis">
   <h2 class="title">Resumo da classe</h2>


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

    
     <span class="modifier">implements</span>
      <a href="class.iteratoraggregate.php" class="interfacename">IteratorAggregate</a>,

     <a href="class.arrayaccess.php" class="interfacename">ArrayAccess</a>,

     <a href="class.serializable.php" class="interfacename">Serializable</a>,

     <a href="class.countable.php" class="interfacename">Countable</a> {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Constantes */</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.arrayobject.php#arrayobject.constants.std-prop-list"><var class="varname">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.arrayobject.php#arrayobject.constants.array-as-props"><var class="varname">ARRAY_AS_PROPS</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="arrayobject.construct.php" class="methodname">__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>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$iteratorClass</code><span class="initializer"> = <strong><code>ArrayIterator::class</code></strong></span></span>)</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.append.php" class="methodname">append</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.asort.php" class="methodname">asort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$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="arrayobject.count.php" class="methodname">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="arrayobject.exchangearray.php" class="methodname">exchangeArray</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">$array</code></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.getarraycopy.php" class="methodname">getArrayCopy</a></span>(): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.getflags.php" class="methodname">getFlags</a></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.getiterator.php" class="methodname">getIterator</a></span>(): <span class="type"><a href="class.iterator.php" class="type Iterator">Iterator</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.getiteratorclass.php" class="methodname">getIteratorClass</a></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.ksort.php" class="methodname">ksort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$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="arrayobject.natcasesort.php" class="methodname">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="arrayobject.natsort.php" class="methodname">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="arrayobject.offsetexists.php" class="methodname">offsetExists</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.offsetget.php" class="methodname">offsetGet</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$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="arrayobject.offsetset.php" class="methodname">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="arrayobject.offsetunset.php" class="methodname">offsetUnset</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.serialize.php" class="methodname">serialize</a></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.setflags.php" class="methodname">setFlags</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$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="arrayobject.setiteratorclass.php" class="methodname">setIteratorClass</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$iteratorClass</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.uasort.php" class="methodname">uasort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$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="arrayobject.uksort.php" class="methodname">uksort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="arrayobject.unserialize.php" class="methodname">unserialize</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$data</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

   }</div>

  </div>

  <div class="section" id="arrayobject.constants">
   <h2 class="title">Constantes predefinidas</h2>
   <div class="section" id="arrayobject.constants.flags">
    <h2 class="title">Flags do ArrayObject</h2>
    <dl>

     
      <dt id="arrayobject.constants.std-prop-list"><strong><code><a href="class.arrayobject.php#arrayobject.constants.std-prop-list">ArrayObject::STD_PROP_LIST</a></code></strong></dt>
      <dd>
       <p class="para">
        As propriedades do objeto têm sua funcionalidade normal quando
        acessadas como lista (<span class="function"><a href="function.var-dump.php" class="function">var_dump()</a></span>, <a href="control-structures.foreach.php" class="link"><code class="literal">foreach</code></a>, etc.).
       </p>
      </dd>
     

     
      <dt id="arrayobject.constants.array-as-props"><strong><code><a href="class.arrayobject.php#arrayobject.constants.array-as-props">ArrayObject::ARRAY_AS_PROPS</a></code></strong></dt>
      <dd>
       <p class="para">
        As entradas podem ser acessadas como propriedades (leitura e escrita). A
        classe <span class="classname"><strong class="classname">ArrayObject</strong></span> usa sua própria lógica para acessar
        propriedades, portanto, nenhum aviso ou erro é gerado ao tentar ler ou
        escrever propriedades dinâmicas.
       </p>
      </dd>
     
    </dl>
   </div>
  </div>



 </div>

 














































































































<h2>Índice</h2><ul class="chunklist chunklist_reference"><li><a href="arrayobject.append.php">ArrayObject::append</a> — Anexa o valor</li><li><a href="arrayobject.asort.php">ArrayObject::asort</a> — Ordenar as entradas por valor</li><li><a href="arrayobject.construct.php">ArrayObject::__construct</a> — Constr&oacute;i um novo objeto de array</li><li><a href="arrayobject.count.php">ArrayObject::count</a> — Obt&eacute;m o n&uacute;mero de propriedades p&uacute;blicas no ArrayObject</li><li><a href="arrayobject.exchangearray.php">ArrayObject::exchangeArray</a> — Troca o array por outro</li><li><a href="arrayobject.getarraycopy.php">ArrayObject::getArrayCopy</a> — Cria uma c&oacute;pia do ArrayObject</li><li><a href="arrayobject.getflags.php">ArrayObject::getFlags</a> — Obt&eacute;m as flags de comportamento</li><li><a href="arrayobject.getiterator.php">ArrayObject::getIterator</a> — Retorna o iterador do ArrayObject</li><li><a href="arrayobject.getiteratorclass.php">ArrayObject::getIteratorClass</a> — Obt&eacute;m o nome da classe do iterador para o ArrayObject</li><li><a href="arrayobject.ksort.php">ArrayObject::ksort</a> — Ordena as entradas pela chave</li><li><a href="arrayobject.natcasesort.php">ArrayObject::natcasesort</a> — Ordena um array usando um algoritmo de &quot;ordem natural&quot; insens&iacute;vel a mai&uacute;sculas e min&uacute;sculas</li><li><a href="arrayobject.natsort.php">ArrayObject::natsort</a> — Ordena as entradas usando um algoritmo de &quot;ordem natural&quot;</li><li><a href="arrayobject.offsetexists.php">ArrayObject::offsetExists</a> — Retorna se o &iacute;ndice solicitado existe</li><li><a href="arrayobject.offsetget.php">ArrayObject::offsetGet</a> — Retorna o valor no &iacute;ndice especificado</li><li><a href="arrayobject.offsetset.php">ArrayObject::offsetSet</a> — Define o valor no &iacute;ndice especificado para novo valor</li><li><a href="arrayobject.offsetunset.php">ArrayObject::offsetUnset</a> — Remove o valor no &iacute;ndice especificado</li><li><a href="arrayobject.serialize.php">ArrayObject::serialize</a> — Serializa um ArrayObject</li><li><a href="arrayobject.setflags.php">ArrayObject::setFlags</a> — Define as op&ccedil;&otilde;es de comportamento</li><li><a href="arrayobject.setiteratorclass.php">ArrayObject::setIteratorClass</a> — Define a classe do iterador para o ArrayObject</li><li><a href="arrayobject.uasort.php">ArrayObject::uasort</a> — Ordena as entradas com uma fun&ccedil;&atilde;o de compara&ccedil;&atilde;o definida pelo usu&aacute;rio e mant&eacute;m a associa&ccedil;&atilde;o de chaves</li><li><a href="arrayobject.uksort.php">ArrayObject::uksort</a> — Ordena as entradas pelas chaves usando uma fun&ccedil;&atilde;o de compara&ccedil;&atilde;o definida pelo usu&aacute;rio</li><li><a href="arrayobject.unserialize.php">ArrayObject::unserialize</a> — Desserializa um ArrayObject</li></ul>
</div>
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