curl-unescape.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: b7f8c11e56ff1c57a2993e2ed7e5c5ace18637fd Maintainer: 胡搞 Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.curl-unescape" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>curl_unescape</refname>
  <refpurpose>解码指定 URL 编码的字符串</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>false</type></type><methodname>curl_unescape</methodname>
   <methodparam><type>CurlHandle</type><parameter>handle</parameter></methodparam>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
  </methodsynopsis>
  <para>
   该函数解码指定 URL 编码的字符串。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   &curl.ch.description;
   <varlistentry>
    <term><parameter>string</parameter></term>
    <listitem>
     <para>
      需要解码的 URL 编码字符串。
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回解码后的字符串&return.falseforfailure;。
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &curl.changelog.handle-param;
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>curl_escape</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php
// 创建 curl 句柄
$ch = curl_init('http://example.com/redirect.php');

// 发送 HTTP 请求并且遵循重定向
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_exec($ch);

// 获取最后的有效 URL
$effective_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
// 结果： "http://example.com/show_location.php?loc=M%C3%BCnchen"

// 解码这个 URL
$effective_url_decoded = curl_unescape($ch, $effective_url);
// "http://example.com/show_location.php?loc=München"

// 关闭句柄
curl_close($ch);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    <function>curl_unescape</function> 不会将加号 (+) 解码成空格。而 <function>urldecode</function> 会。
   </para>
  </note>
 </refsect1>

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

</refentry>
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