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<h1 class="refname">hexdec</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">hexdec</span> — <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 <code class="parameter">hex_string</code> 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>
<code class="parameter">hex_string</code></dt>
<dd>
<p class="para">
The hexadecimal string to convert
</p>
</dd>
</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 <code class="parameter">hex_string</code>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.hexdec-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4257">
<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"><?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">// both print "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">)); </span><span style="color: #FF8000">// print "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">)); </span><span style="color: #FF8000">// print "int(160)"<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.hexdec-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
The function can convert numbers that are too large to fit into the platforms
<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> type, larger values are returned as <span class="type"><a href="language.types.float.html" class="type float">float</a></span> in
that case.
</p>
</p></blockquote>
</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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