<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >curl_init</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="CURL, Client URL Library Functions" HREF="ref.curl.html"><LINK REL="PREVIOUS" TITLE="curl_getinfo" HREF="function.curl-getinfo.html"><LINK REL="NEXT" TITLE="curl_multi_add_handle" HREF="function.curl-multi-add-handle.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.curl-getinfo.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.curl-multi-add-handle.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.curl-init" ></A >curl_init</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN26158" ></A ><P > (PHP 4 >= 4.0.2, PHP 5)</P >curl_init -- Initialize a cURL session</DIV ><DIV CLASS="refsect1" ><A NAME="AEN26161" ></A ><H2 >说明</H2 >resource <B CLASS="methodname" >curl_init</B > ( [string url] )<BR ></BR ><P > Initializes a new session and return a cURL handle for use with the <A HREF="function.curl-setopt.html" ><B CLASS="function" >curl_setopt()</B ></A >, <A HREF="function.curl-exec.html" ><B CLASS="function" >curl_exec()</B ></A >, and <A HREF="function.curl-close.html" ><B CLASS="function" >curl_close()</B ></A > functions. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26173" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >url</CODE ></DT ><DD ><P > If provided, the <TT CLASS="constant" ><B >CURLOPT_URL</B ></TT > option will be set to its value. You can manually set this using the <A HREF="function.curl-setopt.html" ><B CLASS="function" >curl_setopt()</B ></A > function. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26184" ></A ><H2 >返回值</H2 ><P > Returns a cURL handle on success, <TT CLASS="constant" ><B >FALSE</B ></TT > on errors. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26188" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN26191" ></A ><P ><B >例 1. Initializing a new cURL session and fetching a web page </B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">// create a new cURL resource<br /></font><font color="#0000BB">$ch </font><font color="#007700">= </font><font color="#0000BB">curl_init</font><font color="#007700">();<br /><br /></font><font color="#FF8000">// set URL and other appropriate options<br /></font><font color="#0000BB">curl_setopt</font><font color="#007700">(</font><font color="#0000BB">$ch</font><font color="#007700">, </font><font color="#0000BB">CURLOPT_URL</font><font color="#007700">, </font><font color="#DD0000">"http://www.example.com/"</font><font color="#007700">);<br /></font><font color="#0000BB">curl_setopt</font><font color="#007700">(</font><font color="#0000BB">$ch</font><font color="#007700">, </font><font color="#0000BB">CURLOPT_HEADER</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// grab URL and pass it to the browser<br /></font><font color="#0000BB">curl_exec</font><font color="#007700">(</font><font color="#0000BB">$ch</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// close cURL resource, and free up system resources<br /></font><font color="#0000BB">curl_close</font><font color="#007700">(</font><font color="#0000BB">$ch</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26194" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.curl-close.html" ><B CLASS="function" >curl_close()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.curl-multi-init.html" ><B CLASS="function" >curl_multi_init()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.curl-getinfo.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.curl-multi-add-handle.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >curl_getinfo</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.curl.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >curl_multi_add_handle</TD ></TR ></TABLE ></DIV ></BODY ></HTML >