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<div id="class.reflectionparameter" class="reference">

 <h1 class="title">A classe ReflectionParameter</h1>
 

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


  <div class="section" id="reflectionparameter.intro">
   <h2 class="title">Introdução</h2>
   <p class="para">
    A classe <span class="classname"><strong class="classname">ReflectionParameter</strong></span> recupera
    informações sobre os parâmetros de uma função ou método.
   </p>
   <p class="para">
    Para inspecionar os parâmetros de uma função, primeiro crie uma instância
    das classes <span class="classname"><a href="class.reflectionfunction.php" class="classname">ReflectionFunction</a></span> ou
    <span class="classname"><a href="class.reflectionmethod.php" class="classname">ReflectionMethod</a></span> e, em seguida, use seus
    método <span class="methodname"><a href="reflectionfunctionabstract.getparameters.php" class="methodname">ReflectionFunctionAbstract::getParameters()</a></span>
    para recuperar uma array de parâmetros.
   </p>
  </div>


  <div class="section" id="reflectionparameter.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">ReflectionParameter</strong></strong>
    

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

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Propriedades */</div>
    <div class="fieldsynopsis">
     <span class="modifier">public</span>
     <span class="type"><a href="language.types.string.php" class="type string">string</a></span>
      <var class="varname"><a href="class.reflectionparameter.php#reflectionparameter.props.name">$<var class="varname">name</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="reflectionparameter.construct.php" class="methodname">__construct</a></span>(<span class="methodparam"><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.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">$function</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$param</code></span>)</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.allowsnull.php" class="methodname">allowsNull</a></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="reflectionparameter.canbepassedbyvalue.php" class="methodname">canBePassedByValue</a></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">private</span> <span class="methodname"><a href="reflectionparameter.clone.php" class="methodname">__clone</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="modifier">static</span> <span class="methodname"><a href="reflectionparameter.export.php" class="methodname">export</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$function</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$parameter</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$return</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getattributes.php" class="methodname">getAttributes</a></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$name</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></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="type"><a href="language.types.array.php" class="type array">array</a></span></div>
<div class="methodsynopsis dc-description"><span class="attribute"><a href="class.deprecated.php">#[\Deprecated]</a> </span><br>
   <span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getclass.php" class="methodname">getClass</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.reflectionclass.php" class="type ReflectionClass">ReflectionClass</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getdeclaringclass.php" class="methodname">getDeclaringClass</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.reflectionclass.php" class="type ReflectionClass">ReflectionClass</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getdeclaringfunction.php" class="methodname">getDeclaringFunction</a></span>(): <span class="type"><a href="class.reflectionfunctionabstract.php" class="type ReflectionFunctionAbstract">ReflectionFunctionAbstract</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getdefaultvalue.php" class="methodname">getDefaultValue</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="reflectionparameter.getdefaultvalueconstantname.php" class="methodname">getDefaultValueConstantName</a></span>(): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.getname.php" class="methodname">getName</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="reflectionparameter.getposition.php" class="methodname">getPosition</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="reflectionparameter.gettype.php" class="methodname">getType</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.reflectiontype.php" class="type ReflectionType">ReflectionType</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.hastype.php" class="methodname">hasType</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="attribute"><a href="class.deprecated.php">#[\Deprecated]</a> </span><br>
   <span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.isarray.php" class="methodname">isArray</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="attribute"><a href="class.deprecated.php">#[\Deprecated]</a> </span><br>
   <span class="modifier">public</span> <span class="methodname"><a href="reflectionparameter.iscallable.php" class="methodname">isCallable</a></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="reflectionparameter.isdefaultvalueavailable.php" class="methodname">isDefaultValueAvailable</a></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="reflectionparameter.isdefaultvalueconstant.php" class="methodname">isDefaultValueConstant</a></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="reflectionparameter.isoptional.php" class="methodname">isOptional</a></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="reflectionparameter.ispassedbyreference.php" class="methodname">isPassedByReference</a></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="reflectionparameter.ispromoted.php" class="methodname">isPromoted</a></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="reflectionparameter.isvariadic.php" class="methodname">isVariadic</a></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="reflectionparameter.tostring.php" class="methodname">__toString</a></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

   }</div>


  </div>



  <div class="section" id="reflectionparameter.props">
   <h2 class="title">Propriedades</h2>
   <dl>
    
     <dt id="reflectionparameter.props.name"><var class="varname">name</var></dt>
     <dd>
      <p class="para">
       Nome do parâmetro. Somente leitura, lança
       <span class="classname"><a href="class.reflectionexception.php" class="classname">ReflectionException</a></span> ao tentar escrever.
      </p>
     </dd>
    
   </dl>
  </div>


  <div class="section">
   <h2 class="title">Registro de Alterações</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Versão</th>
       <th>Descrição</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.0.0</td>
       <td>
        <span class="methodname"><a href="reflectionparameter.export.php" class="methodname">ReflectionParameter::export()</a></span> foi removido.
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>
 </div>

 

























































































































<h2>Índice</h2><ul class="chunklist chunklist_reference"><li><a href="reflectionparameter.allowsnull.php">ReflectionParameter::allowsNull</a> — Verifica se nulo &eacute; permitido</li><li><a href="reflectionparameter.canbepassedbyvalue.php">ReflectionParameter::canBePassedByValue</a> — Retorna se este par&acirc;metro pode ser passado por valor</li><li><a href="reflectionparameter.clone.php">ReflectionParameter::__clone</a> — Clone</li><li><a href="reflectionparameter.construct.php">ReflectionParameter::__construct</a> — Constr&oacute;i</li><li><a href="reflectionparameter.export.php">ReflectionParameter::export</a> — Exporta</li><li><a href="reflectionparameter.getattributes.php">ReflectionParameter::getAttributes</a> — Obt&eacute;m Atributos</li><li><a href="reflectionparameter.getclass.php">ReflectionParameter::getClass</a> — Obt&eacute;m um objeto ReflectionClass para o par&acirc;metro que est&aacute; sendo refletido ou null</li><li><a href="reflectionparameter.getdeclaringclass.php">ReflectionParameter::getDeclaringClass</a> — Obt&eacute;m a classe declarada</li><li><a href="reflectionparameter.getdeclaringfunction.php">ReflectionParameter::getDeclaringFunction</a> — Obt&eacute;m a fun&ccedil;&atilde;o de declara&ccedil;&atilde;o</li><li><a href="reflectionparameter.getdefaultvalue.php">ReflectionParameter::getDefaultValue</a> — Obt&eacute;m o valor padr&atilde;o do par&acirc;metro</li><li><a href="reflectionparameter.getdefaultvalueconstantname.php">ReflectionParameter::getDefaultValueConstantName</a> — Retorna o nome da constante do valor padr&atilde;o se o valor padr&atilde;o for constante ou nulo</li><li><a href="reflectionparameter.getname.php">ReflectionParameter::getName</a> — Obt&eacute;m o nome do par&acirc;metro</li><li><a href="reflectionparameter.getposition.php">ReflectionParameter::getPosition</a> — Obt&eacute;m a posi&ccedil;&atilde;o do par&acirc;metro</li><li><a href="reflectionparameter.gettype.php">ReflectionParameter::getType</a> — Obt&eacute;m o tipo de um par&acirc;metro</li><li><a href="reflectionparameter.hastype.php">ReflectionParameter::hasType</a> — Verifica se o par&acirc;metro tem um tipo</li><li><a href="reflectionparameter.isarray.php">ReflectionParameter::isArray</a> — Verifica se o par&acirc;metro espera um array</li><li><a href="reflectionparameter.iscallable.php">ReflectionParameter::isCallable</a> — Retorna se o par&acirc;metro DEVE ser um callable</li><li><a href="reflectionparameter.isdefaultvalueavailable.php">ReflectionParameter::isDefaultValueAvailable</a> — Verifica se um valor padr&atilde;o est&aacute; dispon&iacute;vel</li><li><a href="reflectionparameter.isdefaultvalueconstant.php">ReflectionParameter::isDefaultValueConstant</a> — Retorna se o valor padr&atilde;o deste par&acirc;metro &eacute; uma constante</li><li><a href="reflectionparameter.isoptional.php">ReflectionParameter::isOptional</a> — Verifica se opcional</li><li><a href="reflectionparameter.ispassedbyreference.php">ReflectionParameter::isPassedByReference</a> — Verifica se foi passado por refer&ecirc;ncia</li><li><a href="reflectionparameter.ispromoted.php">ReflectionParameter::isPromoted</a> — Verifica se um par&acirc;metro est&aacute; promovido a uma propriedade</li><li><a href="reflectionparameter.isvariadic.php">ReflectionParameter::isVariadic</a> — Verifica se o par&acirc;metro &eacute; variado</li><li><a href="reflectionparameter.tostring.php">ReflectionParameter::__toString</a> — Para string</li></ul>
</div>
<?php manual_footer($setup); ?>