<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >curl_getinfo</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_exec" HREF="function.curl-exec.html"><LINK REL="NEXT" TITLE="curl_init" HREF="function.curl-init.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-exec.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-init.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.curl-getinfo" ></A >curl_getinfo</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN26020" ></A ><P > (PHP 4 >= 4.0.4, PHP 5)</P >curl_getinfo -- Get information regarding a specific transfer</DIV ><DIV CLASS="refsect1" ><A NAME="AEN26023" ></A ><H2 >说明</H2 >mixed <B CLASS="methodname" >curl_getinfo</B > ( resource ch [, int opt] )<BR ></BR ><P > Gets information about the last transfer, </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26035" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >ch</CODE ></DT ><DD ><P >A cURL handle returned by <A HREF="function.curl-init.html" ><B CLASS="function" >curl_init()</B ></A >.</P ></DD ><DT ><CODE CLASS="parameter" >opt</CODE ></DT ><DD ><P > This may be one of the following constants: <P ></P ><UL ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_EFFECTIVE_URL</B ></TT > - Last effective URL </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_HTTP_CODE</B ></TT > - Last received HTTP code </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_FILETIME</B ></TT > - Remote time of the retrieved document, if -1 is returned the time of the document is unknown </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_TOTAL_TIME</B ></TT > - Total transaction time in seconds for last transfer </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_NAMELOOKUP_TIME</B ></TT > - Time in seconds until name resolving was complete </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_CONNECT_TIME</B ></TT > - Time in seconds it took to establish the connection </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_PRETRANSFER_TIME</B ></TT > - Time in seconds from start until just before file transfer begins </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_STARTTRANSFER_TIME</B ></TT > - Time in seconds until the first byte is about to be transferred </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_REDIRECT_TIME</B ></TT > - Time in seconds of all redirection steps before final transaction was started </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_SIZE_UPLOAD</B ></TT > - Total number of bytes uploaded </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_SIZE_DOWNLOAD</B ></TT > - Total number of bytes downloaded </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_SPEED_DOWNLOAD</B ></TT > - Average download speed </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_SPEED_UPLOAD</B ></TT > - Average upload speed </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_HEADER_SIZE</B ></TT > - Total size of all headers received </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_HEADER_OUT</B ></TT > - The request string sent. Available since PHP 6.0.0 </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_REQUEST_SIZE</B ></TT > - Total size of issued requests, currently only for HTTP requests </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_SSL_VERIFYRESULT</B ></TT > - Result of SSL certification verification requested by setting CURLOPT_SSL_VERIFYPEER </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_CONTENT_LENGTH_DOWNLOAD</B ></TT > - content-length of download, read from Content-Length: field </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_CONTENT_LENGTH_UPLOAD</B ></TT > - Specified size of upload </P ></LI ><LI ><P > <TT CLASS="constant" ><B >CURLINFO_CONTENT_TYPE</B ></TT > - Content-type of downloaded object, NULL indicates server did not send valid Content-Type: header </P ></LI ></UL > </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN26111" ></A ><H2 >返回值</H2 ><P > If <CODE CLASS="parameter" >opt</CODE > is given, returns its value as a string. Otherwise, returns an associative array with the following elements (which correspond to <CODE CLASS="parameter" >opt</CODE >): <P ></P ><UL ><LI ><P > "url" </P ></LI ><LI ><P > "content_type" </P ></LI ><LI ><P > "http_code" </P ></LI ><LI ><P > "header_size" </P ></LI ><LI ><P > "request_size" </P ></LI ><LI ><P > "filetime" </P ></LI ><LI ><P > "ssl_verify_result" </P ></LI ><LI ><P > "redirect_count" </P ></LI ><LI ><P > "total_time" </P ></LI ><LI ><P > "namelookup_time" </P ></LI ><LI ><P > "connect_time" </P ></LI ><LI ><P > "pretransfer_time" </P ></LI ><LI ><P > "size_upload" </P ></LI ><LI ><P > "size_download" </P ></LI ><LI ><P > "speed_download" </P ></LI ><LI ><P > "speed_upload" </P ></LI ><LI ><P > "download_content_length" </P ></LI ><LI ><P > "upload_content_length" </P ></LI ><LI ><P > "starttransfer_time" </P ></LI ><LI ><P > "redirect_time" </P ></LI ></UL > </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-exec.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-init.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >curl_exec</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_init</TD ></TR ></TABLE ></DIV ></BODY ></HTML >