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?>
<div id="intlchar.tolower" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">IntlChar::tolower</h1>
  <p class="verinfo">(PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">IntlChar::tolower</span> &mdash; <span class="dc-title">Transforma o caractere Unicode em minúscula</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-intlchar.tolower-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>IntlChar::tolower</strong></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">$codepoint</code></span>): <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 class="type"><a href="language.types.null.php" class="type null">null</a></span></span></div>

  <p class="para rdfs-comment">
   O caractere é mapeado para a sua letra minúscula equivalente.
   Se o caractere não tiver minúscula equivalente, o caractere original em si é retornado.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-intlchar.tolower-parameters">
  <h3 class="title">Parâmetros</h3>
  <dl>
   
    <dt><code class="parameter">codepoint</code></dt>
    <dd>
     <p class="para">O valor <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> do ponto de código (por exemplo, <code class="literal">0x2603</code> para <em>U+2603 SNOWMAN</em>) ou o caractere codificado como uma <span class="type"><a href="language.types.string.php" class="type string">string</a></span> UTF-8 (por exemplo, <code class="literal">&quot;\u{2603}&quot;</code>).</p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-intlchar.tolower-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Retorna o mapeamento do tipo Simple_Lowercase_Mapping do ponto de código, se houver;
   caso contrário, o próprio ponto de código. Retorna <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> em caso de falha.
  </p>
  <p class="para">O tipo do retorno é <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>, a menos que o ponto de código tenha sido passado como uma <span class="type"><a href="language.types.string.php" class="type string">string</a></span> UTF-8, caso em que uma <span class="type"><a href="language.types.string.php" class="type string">string</a></span> é retornada. Retorna <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong> em caso de falha.</p>
 </div>


 <div class="refsect1 examples" id="refsect1-intlchar.tolower-examples">
  <h3 class="title">Exemplos</h3>
  <div class="example" id="example-1">
   <p><strong>Exemplo #1 Testando diferentes pontos de código</strong></p>
   <div class="example-contents">
    <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #DD0000">"a"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #DD0000">"Φ"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #DD0000">"φ"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #DD0000">"1"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #0000BB">ord</span><span style="color: #007700">(</span><span style="color: #DD0000">"A"</span><span style="color: #007700">)));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">IntlChar</span><span style="color: #007700">::</span><span style="color: #0000BB">tolower</span><span style="color: #007700">(</span><span style="color: #0000BB">ord</span><span style="color: #007700">(</span><span style="color: #DD0000">"a"</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="examplescode"><pre class="examplescode">string(1) &quot;a&quot;
string(1) &quot;a&quot;
string(2) &quot;φ&quot;
string(2) &quot;φ&quot;
string(1) &quot;1&quot;
int(97)
int(97)</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-intlchar.tolower-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="intlchar.totitle.php" class="function" rel="rdfs-seeAlso">IntlChar::totitle()</a> - Transforma o caractere Unicode em letra de t&iacute;tulo</span></li>
    <li><span class="function"><a href="intlchar.toupper.php" class="function" rel="rdfs-seeAlso">IntlChar::toupper()</a> - Transforma um caractere Unicode em mai&uacute;scula</span></li>
    <li><span class="function"><a href="function.mb-strtolower.php" class="function" rel="rdfs-seeAlso">mb_strtolower()</a> - Torna uma string min&uacute;scula</span></li>
   </ul>
  </p>
 </div>


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