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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.14 $ -->
<refentry xml:id="function.hexdec" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>hexdec</refname>
<refpurpose>Hexadecimal to decimal</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>number</type><methodname>hexdec</methodname>
<methodparam><type>string</type><parameter>hex_string</parameter></methodparam>
</methodsynopsis>
<para>
Returns the decimal equivalent of the hexadecimal number
represented by the <parameter>hex_string</parameter> argument.
<function>hexdec</function> converts a hexadecimal string to a
decimal number.
</para>
<para>
<function>hexdec</function> will ignore any non-hexadecimal
characters it encounters.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>hex_string</parameter></term>
<listitem>
<para>
The hexadecimal string to convert
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The decimal representation of <parameter>hex_string</parameter>
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>Since 4.1.0</entry>
<entry>
The function can now convert values that are to big for
the platforms <type>integer</type> type, it will return
the value as <type>float</type> instead in that case.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>hexdec</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
var_dump(hexdec("See"));
var_dump(hexdec("ee"));
// both print "int(238)"
var_dump(hexdec("that")); // print "int(10)"
var_dump(hexdec("a0")); // print "int(160)"
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>dechex</function></member>
<member><function>bindec</function></member>
<member><function>octdec</function></member>
<member><function>base_convert</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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