<?php
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    2 => 'Comparaci&oacute;n de versiones RPM',
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?>
<div id="function.rpmvercmp" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">rpmvercmp</h1>
  <p class="verinfo">(PECL rpminfo &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">rpmvercmp</span> &mdash; <span class="dc-title">Comparación de versiones RPM</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.rpmvercmp-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>rpmvercmp</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$evr1</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$evr2</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$operator</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></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.boolean.php" class="type bool">bool</a></span></span></div>

  <p class="simpara">
   Compara dos versiones de paquetes RPM.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.rpmvercmp-parameters">
  <h3 class="title">Parámetros</h3>
  <dl>
   
    <dt><code class="parameter">evr1</code></dt>
    <dd>
     <span class="simpara">
      La primera cadena <code class="literal">epoch:version-release</code>.
     </span>
    </dd>
   
   
    <dt><code class="parameter">evr2</code></dt>
    <dd>
     <span class="simpara">
      La segunda cadena <code class="literal">epoch:version-release</code>.
     </span>
    </dd>
   
   
    <dt><code class="parameter">operator</code></dt>
    <dd>
     <p class="para">
      Un operador opcional.
      Los operadores posibles son:
      <span class="simplelist"><code class="literal">&lt;</code>, <code class="literal">lt</code>, <code class="literal">&lt;=</code>, <code class="literal">le</code>, <code class="literal">&gt;</code>, <code class="literal">gt</code>, <code class="literal">&gt;=</code>, <code class="literal">ge</code>, <code class="literal">==</code>, <code class="literal">=</code>, <code class="literal">eq</code>, <code class="literal">!=</code>, <code class="literal">&lt;&gt;</code>, <code class="literal">ne</code></span>.
     </p>
     <span class="simpara">
      Este parámetro distingue mayúsculas y minúsculas, los valores deben estar en minúsculas.
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.rpmvercmp-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="simpara">
   Devuelve <code class="literal">-1</code> si <code class="parameter">evr1</code> es inferior a
   <code class="parameter">evr2</code>, <code class="literal">1</code> si <code class="parameter">evr1</code> es
   superior a <code class="parameter">evr2</code>, y <code class="literal">0</code> si son iguales.
  </p>
  <p class="simpara">
   Cuando se utiliza el argumento opcional <code class="parameter">operator</code>, la función
   devolverá <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> si la relación es la especificada por
   el operador, en caso contrario <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.rpmvercmp-changelog">
  <h3 class="title">Historial de cambios</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versión</th>
      <th>Descripción</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>PECL rpminfo 0.7.0</td>
      <td>
       El <code class="parameter">operator</code> opcional ha sido añadido.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


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