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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">RPM version comparison</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.rpmvercmp-description">
  <h3 class="title">Descrizione</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">
   Compare two RPM package versions.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.rpmvercmp-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <dl>
   
    <dt><code class="parameter">evr1</code></dt>
    <dd>
     <span class="simpara">
      First <code class="literal">epoch:version-release</code> string.
     </span>
    </dd>
   
   
    <dt><code class="parameter">evr2</code></dt>
    <dd>
     <span class="simpara">
      Second <code class="literal">epoch:version-release</code> string.
     </span>
    </dd>
   
   
    <dt><code class="parameter">operator</code></dt>
    <dd>
     <p class="para">
      An optional operator.
      The possible operators are:
      <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">
      This parameter is case-sensitive, values should be lowercase.
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.rpmvercmp-returnvalues">
  <h3 class="title">Valori restituiti</h3>
  <p class="simpara">
   Returns <code class="literal">-1</code> if <code class="parameter">evr1</code> is less than
   <code class="parameter">evr2</code>, <code class="literal">1</code> if <code class="parameter">evr1</code> is
   greater than <code class="parameter">evr2</code>, and <code class="literal">0</code> if they are equal.
  </p>
  <p class="simpara">
   When using the optional <code class="parameter">operator</code> argument, the
   function will return <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> if the relationship is the one specified
   by the operator, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> otherwise.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.rpmvercmp-changelog">
  <h3 class="title">Log delle modifiche</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Versione</th>
      <th>Descrizione</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>PECL rpminfo 0.7.0</td>
      <td>
       Optional <code class="parameter">operator</code> was added.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


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