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?>
<div id="function.xdiff-string-patch" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">xdiff_string_patch</h1>
  <p class="verinfo">(PECL xdiff &gt;= 0.2.0)</p><p class="refpurpose"><span class="refname">xdiff_string_patch</span> &mdash; <span class="dc-title">Altera uma string com uma correção unificada</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.xdiff-string-patch-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>xdiff_string_patch</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$str</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$patch</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code><span class="initializer"> = ?</span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter reference">&$error</code><span class="initializer"> = ?</span></span><br>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Corrige uma string <code class="parameter">str</code> com uma correção unificada no parâmetro <code class="parameter">patch</code>
   e retorna o resultado. <code class="parameter">patch</code> deve ser uma correção unificada criada pela
   função <span class="function"><a href="function.xdiff-file-diff.php" class="function">xdiff_file_diff()</a></span>/<span class="function"><a href="function.xdiff-string-diff.php" class="function">xdiff_string_diff()</a></span>.
   Um parâmetro opcional <code class="parameter">flags</code> especifica o modo de operação. Quaisquer
   partes rejeitadas da correção serão armazenadas dentro da variável <code class="parameter">error</code> se
   forem fornecidas.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.xdiff-string-patch-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">str</code></dt>
     <dd>
      <p class="para">
       A string original.
      </p>
     </dd>
    
    
     <dt><code class="parameter">patch</code></dt>
     <dd>
      <p class="para">
       A string de correção unificada. Ela deve ser criada usando as funções <span class="function"><a href="function.xdiff-string-diff.php" class="function">xdiff_string_diff()</a></span>,
       <span class="function"><a href="function.xdiff-file-diff.php" class="function">xdiff_file_diff()</a></span> ou ferramentas compatíveis.
      </p>
     </dd>
    
    
     <dt><code class="parameter">flags</code></dt>
     <dd>
      <p class="para">
       <code class="parameter">flags</code> podem ser
       <strong><code><a href="xdiff.constants.php#constant.xdiff-patch-normal">XDIFF_PATCH_NORMAL</a></code></strong> (modo padrão, correção normal)
       ou <strong><code><a href="xdiff.constants.php#constant.xdiff-patch-reverse">XDIFF_PATCH_REVERSE</a></code></strong> (correção reversa).
      </p>
      <p class="para">
       A partir da versão 1.5.0, também pode-se usar a operação binária OR para habilitar o sinalizador
       <strong><code>XDIFF_PATCH_IGNORESPACE</code></strong>.
      </p>
     </dd>
    
    
     <dt><code class="parameter">error</code></dt>
     <dd>
      <p class="para">
       Se fornecido, as partes rejeitadas serão armazenadas dentro desta variável.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.xdiff-string-patch-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Retorna a string corrigida ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> em caso de erro.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.xdiff-string-patch-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>xdiff_string_patch()</strong></span></strong></p>
    <div class="example-contents"><p>
     O código a seguir aplica alterações a alguns artigos.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$old_article </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'./old_article.txt'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$diff </span><span style="color: #007700">= </span><span style="color: #0000BB">$_SERVER</span><span style="color: #007700">[</span><span style="color: #DD0000">'patch'</span><span style="color: #007700">]; </span><span style="color: #FF8000">/* Digamos que alguém colou uma correção em um formulário HTML */<br /><br /></span><span style="color: #0000BB">$errors </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$new_article </span><span style="color: #007700">= </span><span style="color: #0000BB">xdiff_string_patch</span><span style="color: #007700">(</span><span style="color: #0000BB">$old_article</span><span style="color: #007700">, </span><span style="color: #0000BB">$diff</span><span style="color: #007700">, </span><span style="color: #0000BB">XDIFF_PATCH_NORMAL</span><span style="color: #007700">, </span><span style="color: #0000BB">$errors</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">is_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$new_article</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">"Novo artigo:\n"</span><span style="color: #007700">;<br />    echo </span><span style="color: #0000BB">$new_article</span><span style="color: #007700">;<br />}<br /><br />if (</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$errors</span><span style="color: #007700">)) {<br />    echo </span><span style="color: #DD0000">"Rejeições: \n"</span><span style="color: #007700">;<br />    echo </span><span style="color: #0000BB">$errors</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.xdiff-string-patch-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.xdiff-string-diff.php" class="function" rel="rdfs-seeAlso">xdiff_string_diff()</a> - Faz uma diferen&ccedil;a unificada entre duas strings</span></li>
   </ul>
  </p>
 </div>

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