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  <title>Hexadecimal to decimal</title>

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</div><hr /><div id="function.hexdec" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">hexdec</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">hexdec</span> &mdash; <span class="dc-title">Hexadecimal to decimal</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.hexdec-description">
  <h3 class="title">Description</h3>
   <div class="methodsynopsis dc-description">
    <span class="type"><a href="language.pseudo-types.html#language.types.number" class="type number">number</a></span> <span class="methodname"><strong>hexdec</strong></span>
     ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$hex_string</code></span>
    )</div>

  <p class="para rdfs-comment">
   Returns the decimal equivalent of the hexadecimal number
   represented by the <em><code class="parameter">hex_string</code></em> argument.
    <span class="function"><strong>hexdec()</strong></span> converts a hexadecimal string to a
   decimal number. 
  </p>
  <p class="para">
    <span class="function"><strong>hexdec()</strong></span> will ignore any non-hexadecimal 
   characters it encounters.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.hexdec-parameters">
  <h3 class="title">Parameters</h3>
  <p class="para">
   <dl>

    <dt>

     <span class="term"><em><code class="parameter">hex_string</code></em></span>
     <dd>

      <p class="para">
       The hexadecimal string to convert
      </p>
     </dd>

    </dt>

   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.hexdec-returnvalues">
  <h3 class="title">Return Values</h3>
  <p class="para">
   The decimal representation of <em><code class="parameter">hex_string</code></em>
  </p>
 </div>

 <div class="refsect1 changelog" id="refsect1-function.hexdec-changelog">
  <h3 class="title">Changelog</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Version</th>
       <th>Description</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>4.1.0</td>
       <td>
        The function can now convert values that are too big for
        the platforms <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> type, it will return
        the value as <span class="type"><a href="language.types.float.html" class="type float">float</a></span> instead in that case.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.hexdec-examples">
  <h3 class="title">Examples</h3>
  <p class="para">
   <div class="example" id="example-3461">
    <p><strong>Example #1  <span class="function"><strong>hexdec()</strong></span> example</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">hexdec</span><span style="color: #007700">(</span><span style="color: #DD0000">"See"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">hexdec</span><span style="color: #007700">(</span><span style="color: #DD0000">"ee"</span><span style="color: #007700">));<br /></span><span style="color: #FF8000">//&nbsp;both&nbsp;print&nbsp;"int(238)"<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">hexdec</span><span style="color: #007700">(</span><span style="color: #DD0000">"that"</span><span style="color: #007700">));&nbsp;</span><span style="color: #FF8000">//&nbsp;print&nbsp;"int(10)"<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">hexdec</span><span style="color: #007700">(</span><span style="color: #DD0000">"a0"</span><span style="color: #007700">));&nbsp;</span><span style="color: #FF8000">//&nbsp;print&nbsp;"int(160)"<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

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

 <div class="refsect1 seealso" id="refsect1-function.hexdec-seealso">
  <h3 class="title">See Also</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"> <span class="function"><a href="function.dechex.html" class="function" rel="rdfs-seeAlso">dechex()</a> - Decimal to hexadecimal</span></li>
    <li class="member"> <span class="function"><a href="function.bindec.html" class="function" rel="rdfs-seeAlso">bindec()</a> - Binary to decimal</span></li>
    <li class="member"> <span class="function"><a href="function.octdec.html" class="function" rel="rdfs-seeAlso">octdec()</a> - Octal to decimal</span></li>
    <li class="member"> <span class="function"><a href="function.base-convert.html" class="function" rel="rdfs-seeAlso">base_convert()</a> - Convert a number between arbitrary bases</span></li>
   </ul>
  </p>
 </div>

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