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<div id="function.array-udiff" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_udiff</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">array_udiff</span> &mdash; <span class="dc-title">Computa a diferença de arrays usando uma função de callback para comparação dos dados</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.array-udiff-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>array_udiff</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$array</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">...$arrays</code></span>, <span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$value_compare_func</code></span>): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>

  <p class="para rdfs-comment">
   Computa a diferença de arrays usando uma função de callback para comparação
   dos dados. Esta é contrária a <span class="function"><a href="function.array-diff.php" class="function">array_diff()</a></span> que usa uma
   função interna para comparar os dados.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.array-udiff-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">array</code></dt>
     <dd>
      <p class="para">
       O primeiro array.
      </p>
     </dd>
    
    
     <dt><code class="parameter">arrays</code></dt>
     <dd>
      <p class="para">
       Arrays para comparar.
      </p>
     </dd>
    
    
     <dt><code class="parameter">value_compare_func</code></dt>
     <dd>
      <p class="para">
 A função de comparação deve retornar um inteiro menor que, igual ou maior que zero se o primeiro argumento for considerado respectivamente menor que, igual ou maior que o segundo.
</p>
<div class="methodsynopsis dc-description"><span class="methodname"><span class="replaceable">callback</span></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$a</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$b</code></span>): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>

<div class="caution"><strong class="caution">Cuidado</strong>
 <p class="para">
  Retornar valores <em>não inteiros</em> da função de
  comparação, como <span class="type"><a href="language.types.float.php" class="type float">float</a></span>, resultará em uma conversão interna
  do valor retornado da função callback para <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>. Portanto, valores como
  <code class="literal">0.99</code> e <code class="literal">0.1</code> serão convertidos para o
  valor inteiro <code class="literal">0</code>, o que comparará esses valores como iguais.
 </p>
</div>
      <div class="caution"><strong class="caution">Cuidado</strong>
 <p class="para">
  A função chamada de ordenação deve lidar com qualquer valor de qualquer array em qualquer ordem,
  independentemente da ordem em que eles foram originalmente fornecidos.
  O motivo é que cada array individual é primeiramente ordenado antes de ser comparado com outros arrays.

  Por exemplo:
  <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$arrayA </span><span style="color: #007700">= [</span><span style="color: #DD0000">"string"</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">];<br /></span><span style="color: #0000BB">$arrayB </span><span style="color: #007700">= [[</span><span style="color: #DD0000">"value" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">]];<br /></span><span style="color: #FF8000">// $item1 e $item2 podem ser "string", 1 ou ["value" =&gt; 1]<br /></span><span style="color: #0000BB">$compareFunc </span><span style="color: #007700">= static function (</span><span style="color: #0000BB">$item1</span><span style="color: #007700">, </span><span style="color: #0000BB">$item2</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$value1 </span><span style="color: #007700">= </span><span style="color: #0000BB">is_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$item1</span><span style="color: #007700">) ? </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$item1</span><span style="color: #007700">) : (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$item1</span><span style="color: #007700">) ? </span><span style="color: #0000BB">$item1</span><span style="color: #007700">[</span><span style="color: #DD0000">"value"</span><span style="color: #007700">] : </span><span style="color: #0000BB">$item1</span><span style="color: #007700">);<br />    </span><span style="color: #0000BB">$value2 </span><span style="color: #007700">= </span><span style="color: #0000BB">is_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$item2</span><span style="color: #007700">) ? </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$item2</span><span style="color: #007700">) : (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$item2</span><span style="color: #007700">) ? </span><span style="color: #0000BB">$item2</span><span style="color: #007700">[</span><span style="color: #DD0000">"value"</span><span style="color: #007700">] : </span><span style="color: #0000BB">$item2</span><span style="color: #007700">);<br />    return </span><span style="color: #0000BB">$value1 </span><span style="color: #007700">&lt;=&gt; </span><span style="color: #0000BB">$value2</span><span style="color: #007700">;<br />};<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
  </div>

 </p>
</div>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.array-udiff-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   Retorna um array contendo todos os valores de <code class="parameter">array</code>
   que não estão presentes em qualquer dos outros argumentos.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.array-udiff-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>array_udiff()</strong></span> usando Objetos stdClass</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Arrays para comprar<br /></span><span style="color: #0000BB">$array1 </span><span style="color: #007700">= array(new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">, new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">,<br />                new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">, new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">,<br />               );<br /><br /></span><span style="color: #0000BB">$array2 </span><span style="color: #007700">= array(<br />                new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">, new </span><span style="color: #0000BB">stdClass</span><span style="color: #007700">,<br />               );<br /><br /></span><span style="color: #FF8000">// Define algumas propriedades para cada objeto<br /></span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">11</span><span style="color: #007700">; </span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">3</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">7</span><span style="color: #007700">;  </span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">2</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">2</span><span style="color: #007700">;  </span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">2</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">9</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">3</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">5</span><span style="color: #007700">;  </span><span style="color: #0000BB">$array1</span><span style="color: #007700">[</span><span style="color: #0000BB">3</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">7</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$array2</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">7</span><span style="color: #007700">;  </span><span style="color: #0000BB">$array2</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">5</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$array2</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">= </span><span style="color: #0000BB">9</span><span style="color: #007700">;  </span><span style="color: #0000BB">$array2</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">altura </span><span style="color: #007700">= </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br />function </span><span style="color: #0000BB">comparar_por_area</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$areaA </span><span style="color: #007700">= </span><span style="color: #0000BB">$a</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">* </span><span style="color: #0000BB">$a</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">altura</span><span style="color: #007700">;<br />    </span><span style="color: #0000BB">$areaB </span><span style="color: #007700">= </span><span style="color: #0000BB">$b</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">largura </span><span style="color: #007700">* </span><span style="color: #0000BB">$b</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">altura</span><span style="color: #007700">;<br /><br />    if (</span><span style="color: #0000BB">$areaA </span><span style="color: #007700">&lt; </span><span style="color: #0000BB">$areaB</span><span style="color: #007700">) {<br />        return -</span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />    } elseif (</span><span style="color: #0000BB">$areaA </span><span style="color: #007700">&gt; </span><span style="color: #0000BB">$areaB</span><span style="color: #007700">) {<br />        return </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />    } else {<br />        return </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />    }<br />}<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_udiff</span><span style="color: #007700">(</span><span style="color: #0000BB">$array1</span><span style="color: #007700">, </span><span style="color: #0000BB">$array2</span><span style="color: #007700">, </span><span style="color: #DD0000">'comparar_por_area'</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">Array
(
    [0] =&gt; stdClass Object
        (
            [largura] =&gt; 11
            [altura] =&gt; 3
        )

    [1] =&gt; stdClass Object
        (
            [largura] =&gt; 7
            [altura] =&gt; 1
        )

)</pre>
</div>
    </div>
   </div>
  </p>
  <p class="para">
   <div class="example" id="example-2">
    <p><strong>Exemplo #2 Exemplo de <span class="function"><strong>array_udiff()</strong></span> usando Objetos DateTime</strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">MeuCalendario </span><span style="color: #007700">{<br />    public </span><span style="color: #0000BB">$livres </span><span style="color: #007700">= array();<br />    public </span><span style="color: #0000BB">$reservadas </span><span style="color: #007700">= array();<br /><br />    public function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$semana </span><span style="color: #007700">= </span><span style="color: #DD0000">'now'</span><span style="color: #007700">) {<br />        </span><span style="color: #0000BB">$inicio </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #0000BB">$semana</span><span style="color: #007700">);<br />        </span><span style="color: #0000BB">$inicio</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">modify</span><span style="color: #007700">(</span><span style="color: #DD0000">'Monday this week midnight'</span><span style="color: #007700">);<br />        </span><span style="color: #0000BB">$fim </span><span style="color: #007700">= clone </span><span style="color: #0000BB">$inicio</span><span style="color: #007700">;<br />        </span><span style="color: #0000BB">$fim</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">modify</span><span style="color: #007700">(</span><span style="color: #DD0000">'Friday this week midnight'</span><span style="color: #007700">);<br />        </span><span style="color: #0000BB">$intervalo </span><span style="color: #007700">= new </span><span style="color: #0000BB">DateInterval</span><span style="color: #007700">(</span><span style="color: #DD0000">'P1D'</span><span style="color: #007700">);<br />        foreach (new </span><span style="color: #0000BB">DatePeriod</span><span style="color: #007700">(</span><span style="color: #0000BB">$inicio</span><span style="color: #007700">, </span><span style="color: #0000BB">$intervalo</span><span style="color: #007700">, </span><span style="color: #0000BB">$fim</span><span style="color: #007700">) as </span><span style="color: #0000BB">$tempoLivre</span><span style="color: #007700">) {<br />            </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">livres</span><span style="color: #007700">[] = </span><span style="color: #0000BB">$tempoLivre</span><span style="color: #007700">;<br />        }<br />    }<br /><br />    public function </span><span style="color: #0000BB">marcarCompromisso</span><span style="color: #007700">(</span><span style="color: #0000BB">DateTime $data</span><span style="color: #007700">, </span><span style="color: #0000BB">$nota</span><span style="color: #007700">) {<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">reservadas</span><span style="color: #007700">[] = array(</span><span style="color: #DD0000">'data' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$data</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">modify</span><span style="color: #007700">(</span><span style="color: #DD0000">'midnight'</span><span style="color: #007700">), </span><span style="color: #DD0000">'nota' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$nota</span><span style="color: #007700">);<br />    }<br /><br />    public function </span><span style="color: #0000BB">checarDisponibilidade</span><span style="color: #007700">() {<br />        return </span><span style="color: #0000BB">array_udiff</span><span style="color: #007700">(</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">livres</span><span style="color: #007700">, </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">reservadas</span><span style="color: #007700">, array(</span><span style="color: #0000BB">$this</span><span style="color: #007700">, </span><span style="color: #DD0000">'compararPersonalizado'</span><span style="color: #007700">));<br />    }<br /><br />    public function </span><span style="color: #0000BB">compararPersonalizado</span><span style="color: #007700">(</span><span style="color: #0000BB">$livres</span><span style="color: #007700">, </span><span style="color: #0000BB">$reservadas</span><span style="color: #007700">) {<br />        if (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$livres</span><span style="color: #007700">)) </span><span style="color: #0000BB">$a </span><span style="color: #007700">= </span><span style="color: #0000BB">$livres</span><span style="color: #007700">[</span><span style="color: #DD0000">'data'</span><span style="color: #007700">];<br />        else </span><span style="color: #0000BB">$a </span><span style="color: #007700">= </span><span style="color: #0000BB">$livres</span><span style="color: #007700">;<br />        if (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$reservadas</span><span style="color: #007700">)) </span><span style="color: #0000BB">$b </span><span style="color: #007700">= </span><span style="color: #0000BB">$reservadas</span><span style="color: #007700">[</span><span style="color: #DD0000">'data'</span><span style="color: #007700">];<br />        else </span><span style="color: #0000BB">$b </span><span style="color: #007700">= </span><span style="color: #0000BB">$reservadas</span><span style="color: #007700">;<br />        if (</span><span style="color: #0000BB">$a </span><span style="color: #007700">== </span><span style="color: #0000BB">$b</span><span style="color: #007700">) {<br />            return </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />        } elseif (</span><span style="color: #0000BB">$a </span><span style="color: #007700">&gt; </span><span style="color: #0000BB">$b</span><span style="color: #007700">) {<br />            return </span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />        } else {<br />            return -</span><span style="color: #0000BB">1</span><span style="color: #007700">;<br />        }<br />    }<br />}<br /><br /></span><span style="color: #FF8000">// Cria um calendário para compromissos semanais<br /></span><span style="color: #0000BB">$meuCalendario </span><span style="color: #007700">= new </span><span style="color: #0000BB">MeuCalendario</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Marca alguns compromissos para esta semana<br /></span><span style="color: #0000BB">$meuCalendario</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">marcarCompromisso</span><span style="color: #007700">(new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'Monday this week'</span><span style="color: #007700">), </span><span style="color: #DD0000">"Limpando apartamento do GoogleGuy."</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$meuCalendario</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">marcarCompromisso</span><span style="color: #007700">(new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'Wednesday this week'</span><span style="color: #007700">), </span><span style="color: #DD0000">"Fazendo uma viagem de snowboarding."</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$meuCalendario</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">marcarCompromisso</span><span style="color: #007700">(new </span><span style="color: #0000BB">DateTime</span><span style="color: #007700">(</span><span style="color: #DD0000">'Friday this week'</span><span style="color: #007700">), </span><span style="color: #DD0000">"Corrigindo código bugado."</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Checar disponibilidade de dias comparando datas $reservadas com datas $livres<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"Estou disponível nos seguintes dias desta semana...\n\n"</span><span style="color: #007700">;<br />foreach (</span><span style="color: #0000BB">$meuCalendario</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">checarDisponibilidade</span><span style="color: #007700">() as </span><span style="color: #0000BB">$livre</span><span style="color: #007700">) {<br />    echo </span><span style="color: #0000BB">$livre</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'l'</span><span style="color: #007700">), </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"\n\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"Estou ocupado(a) nos seguintes dias desta semana...\n\n"</span><span style="color: #007700">;<br />foreach (</span><span style="color: #0000BB">$meuCalendario</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">reservadas </span><span style="color: #007700">as </span><span style="color: #0000BB">$reservada</span><span style="color: #007700">) {<br />    echo </span><span style="color: #0000BB">$reservada</span><span style="color: #007700">[</span><span style="color: #DD0000">'data'</span><span style="color: #007700">]-&gt;</span><span style="color: #0000BB">format</span><span style="color: #007700">(</span><span style="color: #DD0000">'l'</span><span style="color: #007700">), </span><span style="color: #DD0000">": "</span><span style="color: #007700">, </span><span style="color: #0000BB">$reservada</span><span style="color: #007700">[</span><span style="color: #DD0000">'nota'</span><span style="color: #007700">], </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<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">Estou disponível nos seguintes dias desta semana...

Tuesday
Thursday


Estou ocupado(a) nos seguintes dias desta semana...

Monday: Limpando apartamento do GoogleGuy.
Wednesday: Fazendo uma viagem de snowboarding.
Friday: Corrigindo código bugado.</pre>
</div>
    </div>
   </div>
  </p>
 </div>

 <div class="refsect1 notes" id="refsect1-function.array-udiff-notes">
  <h3 class="title">Notas</h3>
  <blockquote class="note"><p><strong class="note">Nota</strong>: 
   <span class="simpara">
    Observe que esta função verifica somente uma dimensão de um array
    n-dimensional. É claro que dimensões mais profundas podem ser verificadas
    usando <code class="literal">array_udiff($array1[0], $array2[0], &quot;func_compara_dados&quot;);</code>.
   </span>
  </p></blockquote>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.array-udiff-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.array-diff.php" class="function" rel="rdfs-seeAlso">array_diff()</a> - Computa as diferen&ccedil;as entre arrays</span></li>
    <li><span class="function"><a href="function.array-diff-assoc.php" class="function" rel="rdfs-seeAlso">array_diff_assoc()</a> - Computa a diferen&ccedil;a entre arrays com checagem adicional de &iacute;ndice</span></li>
    <li><span class="function"><a href="function.array-diff-uassoc.php" class="function" rel="rdfs-seeAlso">array_diff_uassoc()</a> - Computa a diferen&ccedil;a entre arrays com checagem adicional de &iacute;ndice que feita por uma fun&ccedil;&atilde;o de callback fornecida pelo usu&aacute;rio</span></li>
    <li><span class="function"><a href="function.array-udiff-assoc.php" class="function" rel="rdfs-seeAlso">array_udiff_assoc()</a> - Computa a diferen&ccedil;a entre arrays com verifica&ccedil;&atilde;o adicional de &iacute;ndice, comparando dados por uma fun&ccedil;&atilde;o de retorno</span></li>
    <li><span class="function"><a href="function.array-udiff-uassoc.php" class="function" rel="rdfs-seeAlso">array_udiff_uassoc()</a> - Computa a diferen&ccedil;a entre arrays com checagem adicional de &iacute;ndice, compara dados e &iacute;ndices por uma fun&ccedil;&atilde;o de callback</span></li>
    <li><span class="function"><a href="function.array-intersect.php" class="function" rel="rdfs-seeAlso">array_intersect()</a> - Calcula a interse&ccedil;&atilde;o entre arrays</span></li>
    <li><span class="function"><a href="function.array-intersect-assoc.php" class="function" rel="rdfs-seeAlso">array_intersect_assoc()</a> - Computa a interse&ccedil;&atilde;o de arrays com uma adicional verifica&ccedil;&atilde;o de &iacute;ndice</span></li>
    <li><span class="function"><a href="function.array-uintersect.php" class="function" rel="rdfs-seeAlso">array_uintersect()</a> - Computa a interse&ccedil;&atilde;o de array, comparando dados com uma fun&ccedil;&atilde;o callback</span></li>
    <li><span class="function"><a href="function.array-uintersect-assoc.php" class="function" rel="rdfs-seeAlso">array_uintersect_assoc()</a> - Computa a interse&ccedil;&atilde;o de arrays com checagem adicional de &iacute;ndice, compara os dados utilizando uma fun&ccedil;&atilde;o de callback</span></li>
    <li><span class="function"><a href="function.array-uintersect-uassoc.php" class="function" rel="rdfs-seeAlso">array_uintersect_uassoc()</a> - Computa a interse&ccedil;&atilde;o de arrays com checagem adicional de &iacute;ndice, compara os dados e os &iacute;ndices utilizando fun&ccedil;&otilde;es de callback separadas</span></li>
   </ul>
  </p>
 </div>

</div><?php manual_footer($setup); ?>