curl-exec.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: b7f8c11e56ff1c57a2993e2ed7e5c5ace18637fd Maintainer: daijie Status: ready -->
<!-- CREDITS: mowangjuanzi -->
<refentry xml:id="function.curl-exec" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>curl_exec</refname>
  <refpurpose>执行 cURL 会话</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>string</type><type>bool</type></type><methodname>curl_exec</methodname>
   <methodparam><type>CurlHandle</type><parameter>handle</parameter></methodparam>
  </methodsynopsis>
  <para>
   执行指定 cURL 会话。
  </para>
  <para>
   这个函数应该在初始化 cURL 会话并且设置所有选项后调用。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &curl.ch.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success; 然而，如果<link linkend="function.curl-setopt">设置</link>了
   <constant>CURLOPT_RETURNTRANSFER</constant> 选项，将会在成功时返回结果，失败时返回 &false;。
  </para>
  &return.falseproblem;
  <note>
   <para>
    注意：指示错误的响应状态码（例如 <literal>404
    Not found</literal>）不会视为失败。这种情况可以使用 <function>curl_getinfo</function> 来检查。
   </para>
  </note>
 </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>获取网页</title>
    <programlisting role="php">
<![CDATA[
<?php
// 创建新的 cURL 资源
$ch = curl_init();

// 设置 URL 和相应的选项
curl_setopt($ch, CURLOPT_URL, "http://www.example.com/");
curl_setopt($ch, CURLOPT_HEADER, 0);

// 抓取 URL 并把它传递给浏览器
curl_exec($ch);

// 关闭 cURL 资源，并且释放系统资源
curl_close($ch);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>curl_multi_exec</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->