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<div id="function.strnatcasecmp" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">strnatcasecmp</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">strnatcasecmp</span> &mdash; <span class="dc-title">Comparação de strings insensível a maiúsculas/minúsculas usando o algoritmo de &quot;ordem natural&quot;</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.strnatcasecmp-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>strnatcasecmp</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$string1</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$string2</code></span>): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>

  <p class="para rdfs-comment">
   Esta função implementa um algoritmo de comparação que ordena strings
   alfanuméricos da maneira que um ser humano faria. O comportamento desta função é
   similar a <span class="function"><a href="function.strnatcmp.php" class="function">strnatcmp()</a></span>, exceto que a comparação não
   é sensível a maiúsculas/minúsculas. Para maiores informações consulte: <a href="https://github.com/sourcefrog/natsort" class="link external">&raquo;&nbsp;Comparação de Strings em Ordem Natural</a>, de Martin Pool.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.strnatcasecmp-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">string1</code></dt>
     <dd>
      <p class="para">
       A primeira string.
      </p>
     </dd>
    
    
     <dt><code class="parameter">string2</code></dt>
     <dd>
      <p class="para">
       A segunda string.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.strnatcasecmp-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  
  <p class="simpara">
   Retorna um valor menor que 0 se <code class="parameter">string1</code>
   for abaixo de <code class="parameter">string2</code>; um valor maior
   que 0 se <code class="parameter">string1</code> for acima de
   <code class="parameter">string2</code> e <code class="literal">0</code> se elas
   forem iguais.
   Nenhum significado em particular pode ser inferido com confiança desse valor a não
   ser o seu sinal.
  </p>

 </div>


 <div class="refsect1 changelog" id="refsect1-function.strnatcasecmp-changelog">
  <h3 class="title">Registro de Alterações</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versão</th>
      <th>Descrição</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
 <td>8.2.0</td>
 <td>
  Não é mais garantido que esta função retornará
  <code class="code">strlen($string1) - strlen($string2)</code> quando os comprimentos das strings
  não forem iguais, mas ppodem agora retornar <code class="literal">-1</code> ou
  <code class="literal">1</code> no lugar.
 </td>
</tr>


    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.strnatcasecmp-examples">
  <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Exemplo de <span class="function"><strong>strnatcasecmp()</strong></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">strnatcasecmp</span><span style="color: #007700">(</span><span style="color: #DD0000">'Apple'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Banana'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">strnatcasecmp</span><span style="color: #007700">(</span><span style="color: #DD0000">'Banana'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Apple'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">strnatcasecmp</span><span style="color: #007700">(</span><span style="color: #DD0000">'apple'</span><span style="color: #007700">, </span><span style="color: #DD0000">'Apple'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>O exemplo acima produzirá:</p></div>
    <div class="example-contents screen">
<div class="annotation-interactive examplescode"><pre class="examplescode">int(-1)
int(1)
int(0)</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.strnatcasecmp-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.preg-match.php" class="function" rel="rdfs-seeAlso">preg_match()</a> - Realiza uma correspond&ecirc;ncia com express&atilde;o regular</span></li>
    <li><span class="function"><a href="function.strcmp.php" class="function" rel="rdfs-seeAlso">strcmp()</a> - Compara&ccedil;&atilde;o bin&aacute;ria segura de strings</span></li>
    <li><span class="function"><a href="function.strcasecmp.php" class="function" rel="rdfs-seeAlso">strcasecmp()</a> - Compara&ccedil;&atilde;o bin&aacute;ria segura de strings insens&iacute;vel a mai&uacute;sculas/min&uacute;sculas</span></li>
    <li><span class="function"><a href="function.substr.php" class="function" rel="rdfs-seeAlso">substr()</a> - Retorna parte de uma string</span></li>
    <li><span class="function"><a href="function.stristr.php" class="function" rel="rdfs-seeAlso">stristr()</a> - strstr insens&iacute;vel a mai&uacute;sculas/min&uacute;sculas</span></li>
    <li><span class="function"><a href="function.strncasecmp.php" class="function" rel="rdfs-seeAlso">strncasecmp()</a> - Compara&ccedil;&atilde;o bin&aacute;ria de strings, insens&iacute;vel a mai&uacute;sculas/min&uacute;sculas, dos primeiros n caracteres</span></li>
    <li><span class="function"><a href="function.strncmp.php" class="function" rel="rdfs-seeAlso">strncmp()</a> - Compara&ccedil;&atilde;o de strings segura para bin&aacute;rios dos primeiros n caracteres</span></li>
    <li><span class="function"><a href="function.strstr.php" class="function" rel="rdfs-seeAlso">strstr()</a> - Encontra a primeira ocorr&ecirc;ncia de uma string</span></li>
    <li><span class="function"><a href="function.setlocale.php" class="function" rel="rdfs-seeAlso">setlocale()</a> - Define informa&ccedil;&atilde;o de localidade</span></li>
   </ul>
  </p>
 </div>


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