<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >Compression Streams</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Manual PHP" HREF="index.html"><LINK REL="UP" TITLE="List of Supported Protocols/Wrappers" HREF="wrappers.html"><LINK REL="PREVIOUS" TITLE="PHP input/output streams" HREF="wrappers.php.html"><LINK REL="NEXT" TITLE="List of Available Filters" HREF="filters.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-2"></HEAD ><BODY CLASS="section" 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" >Manual PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="wrappers.php.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Anexa L. List of Supported Protocols/Wrappers</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="filters.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="wrappers.compression" >Compression Streams</A ></H1 ><P ><TT CLASS="filename" >zlib:</TT > PHP 4.0.4 - PHP 4.2.3 (systems with fopencookie only)</P ><P ><TT CLASS="filename" >compress.zlib://</TT > and <TT CLASS="filename" >compress.bzip2://</TT > PHP 4.3.0 and up</P ><P ></P ><UL ><LI ><P ><TT CLASS="filename" >zlib:</TT ></P ></LI ><LI ><P ><TT CLASS="filename" >compress.zlib://</TT ></P ></LI ><LI ><P ><TT CLASS="filename" >compress.bzip2://</TT ></P ></LI ></UL ><P > <TT CLASS="filename" >zlib:</TT > works like <A HREF="function.gzopen.html" ><B CLASS="function" >gzopen()</B ></A >, except that the stream can be used with <A HREF="function.fread.html" ><B CLASS="function" >fread()</B ></A > and the other filesystem functions. This is deprecated as of <VAR CLASS="literal" >PHP 4.3.0</VAR > due to ambiguities with filenames containing ':' characters; use <TT CLASS="filename" >compress.zlib://</TT > instead. </P ><P > <TT CLASS="filename" >compress.zlib://</TT > and <TT CLASS="filename" >compress.bzip2://</TT > are equivalent to <A HREF="function.gzopen.html" ><B CLASS="function" >gzopen()</B ></A > and <A HREF="function.bzopen.html" ><B CLASS="function" >bzopen()</B ></A > respectively, and operate even on systems that do not support fopencookie. </P ><P > <DIV CLASS="table" ><A NAME="AEN140657" ></A ><P ><B >Tabel L-7. Wrapper Summary</B ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><COL><COL><THEAD ><TR ><TH >Attribute</TH ><TH >Supported</TH ></TR ></THEAD ><TBODY ><TR ><TD >Restricted by <VAR CLASS="literal" >allow_url_fopen</VAR >.</TD ><TD >No</TD ></TR ><TR ><TD >Allows Reading</TD ><TD >Yes</TD ></TR ><TR ><TD >Allows Writing</TD ><TD >Yes</TD ></TR ><TR ><TD >Allows Appending</TD ><TD >Yes</TD ></TR ><TR ><TD >Allows Simultaneous Reading and Writing</TD ><TD >No</TD ></TR ><TR ><TD >Supports <A HREF="function.stat.html" ><B CLASS="function" >stat()</B ></A ></TD ><TD > No, use the normal <VAR CLASS="literal" >file://</VAR > wrapper to stat compressed files. </TD ></TR ><TR ><TD >Supports <A HREF="function.unlink.html" ><B CLASS="function" >unlink()</B ></A ></TD ><TD > No, use the normal <VAR CLASS="literal" >file://</VAR > wrapper to unlink compressed files. </TD ></TR ><TR ><TD >Supports <A HREF="function.rename.html" ><B CLASS="function" >rename()</B ></A ></TD ><TD >No</TD ></TR ><TR ><TD >Supports <A HREF="function.mkdir.html" ><B CLASS="function" >mkdir()</B ></A ></TD ><TD >No</TD ></TR ><TR ><TD >Supports <A HREF="function.rmdir.html" ><B CLASS="function" >rmdir()</B ></A ></TD ><TD >No</TD ></TR ></TBODY ></TABLE ></DIV > </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="wrappers.php.html" ACCESSKEY="P" >Înapoi</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Acasã</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="filters.html" ACCESSKEY="N" >Înainte</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >PHP input/output streams</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="wrappers.html" ACCESSKEY="U" >Sus</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >List of Available Filters</TD ></TR ></TABLE ></DIV ></BODY ></HTML >