<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >gzopen</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="Zlib Compression Functions" HREF="ref.zlib.html"><LINK REL="PREVIOUS" TITLE="gzinflate" HREF="function.gzinflate.html"><LINK REL="NEXT" TITLE="gzpassthru" HREF="function.gzpassthru.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.gzinflate.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.gzpassthru.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.gzopen" ></A >gzopen</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN251855" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >gzopen -- Open gz-file</DIV ><DIV CLASS="refsect1" ><A NAME="AEN251858" ></A ><H2 >说明</H2 >resource <B CLASS="methodname" >gzopen</B > ( string filename, string mode [, int use_include_path] )<BR ></BR ><P > Opens a gzip (.gz) file for reading or writing. </P ><P > <B CLASS="function" >gzopen()</B > can be used to read a file which is not in gzip format; in this case <A HREF="function.gzread.html" ><B CLASS="function" >gzread()</B ></A > will directly read from the file without decompression. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN251876" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >filename</CODE ></DT ><DD ><P > The file name. </P ></DD ><DT ><CODE CLASS="parameter" >mode</CODE ></DT ><DD ><P > As in <A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A > (<TT CLASS="literal" >rb</TT > or <TT CLASS="literal" >wb</TT >) but can also include a compression level (<TT CLASS="literal" >wb9</TT >) or a strategy: <TT CLASS="literal" >f</TT > for filtered data as in <TT CLASS="literal" >wb6f</TT >, <TT CLASS="literal" >h</TT > for <TT CLASS="literal" >Huffman only compression</TT > as in <TT CLASS="literal" >wb1h</TT >. (See the description of deflateInit2 in <TT CLASS="filename" >zlib.h</TT > for more information about the strategy parameter.) </P ></DD ><DT ><CODE CLASS="parameter" >use_include_path</CODE ></DT ><DD ><P > You can set this optional parameter to <TT CLASS="literal" >1</TT >, if you want to search for the file in the <A HREF="ini.core.html#ini.include-path" >include_path</A > too. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN251907" ></A ><H2 >返回值</H2 ><P > Returns a file pointer to the file opened, after that, everything you read from this file descriptor will be transparently decompressed and what you write gets compressed. </P ><P > If the open fails, the function returns <TT CLASS="constant" ><B >FALSE</B ></TT >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN251912" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN251915" ></A ><P ><B >例 1. <B CLASS="function" >gzopen()</B > Example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$fp </font><font color="#007700">= </font><font color="#0000BB">gzopen</font><font color="#007700">(</font><font color="#DD0000">"/tmp/file.gz"</font><font color="#007700">, </font><font color="#DD0000">"r"</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="AEN251919" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.gzclose.html" ><B CLASS="function" >gzclose()</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.gzinflate.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.gzpassthru.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >gzinflate</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.zlib.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >gzpassthru</TD ></TR ></TABLE ></DIV ></BODY ></HTML >