php-doc-en/reference/url/functions/rawurldecode.xml

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<refentry xml:id="function.rawurldecode" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>rawurldecode</refname>
  <refpurpose>Decode URL-encoded strings</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>rawurldecode</methodname>
   <methodparam><type>string</type><parameter>str</parameter></methodparam>
  </methodsynopsis>
  <para>
   Returns a string in which the sequences with percent
   (<literal>%</literal>) signs followed by two hex digits have been replaced
   with literal characters.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>str</parameter></term>
     <listitem>
      <para>
       The URL to be decoded.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the decoded URL, as a string.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>rawurldecode</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php

echo rawurldecode('foo%20bar%40baz'); // foo bar@baz

?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    <function>rawurldecode</function> does not decode plus symbols ('+')
    into spaces. <function>urldecode</function> does.
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>rawurlencode</function></member>
    <member><function>urldecode</function></member>
    <member><function>urlencode</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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