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?>
<div id="intlchar.isbase" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">IntlChar::isbase</h1>
  <p class="verinfo">(PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">IntlChar::isbase</span> &mdash; <span class="dc-title">Verifica se um ponto de código é um caractere base</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-intlchar.isbase-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::isbase</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.null.php" class="type null">?</a></span><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></span></div>

  <p class="para rdfs-comment">
   Determina se o ponto de código especificado é um caractere base. <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> para categorial geral &quot;L&quot; (letras),
   &quot;N&quot; (números), &quot;Mc&quot; (marcas de combinação de espaçamento) e &quot;Me&quot; (marcas de envoltório).
  </p>
  <blockquote class="note"><p><strong class="note">Nota</strong>: 
   <p class="para">
    Isto é diferente da definição Unicode no capítulo 3.5, cláusula de conformidade clause D13, que define que caracteres base
    são todos os caracteres (não Cn) que não combinam graficamente com os caracteres precedentes (M) e que não são de
    controle (Cc) enm de formatação (Cf).
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-intlchar.isbase-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.isbase-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Retorna <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> se
   <code class="parameter">codepoint</code> for um caractere base, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> se não for. 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.isbase-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">isbase</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">isbase</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">isbase</span><span style="color: #007700">(</span><span style="color: #DD0000">"\u{2603}"</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">bool(true)
bool(true)
bool(false)</pre>
</div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-intlchar.isbase-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="intlchar.isalpha.php" class="function" rel="rdfs-seeAlso">IntlChar::isalpha()</a> - Verifica se um ponto de c&oacute;digo &eacute; uma letra</span></li>
    <li><span class="function"><a href="intlchar.isdigit.php" class="function" rel="rdfs-seeAlso">IntlChar::isdigit()</a> - Verifica se um ponto de c&oacute;digo &eacute; um caractere de d&iacute;gito</span></li>
   </ul>
  </p>
 </div>


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