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php-manual-en-4.3.0-2mdk.noarch.rpm

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>gzcompress</H1
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><P
>    (PHP 4 &#62;= 4.0.1)</P
>gzcompress&nbsp;--&nbsp;Compress a string</DIV
><DIV
CLASS="refsect1"
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NAME="AEN98948"
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><H2
>Description</H2
>string <B
CLASS="methodname"
>gzcompress</B
> ( string data [, int level])<BR
></BR
><P
>&#13;     This function returns a compressed version of the input
     <TT
CLASS="parameter"
><I
>data</I
></TT
> using the ZLIB data format,
     or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if an error is encountered. The optional parameter
     <TT
CLASS="parameter"
><I
>level</I
></TT
> can be given as 0 for no
     compression up to 9 for maximum compression.
    </P
><P
>&#13;     For details on the ZLIB compression algorithm see the document
     "<A
HREF="http://www.ietf.org/rfc/rfc1950.txt"
TARGET="_top"
>ZLIB Compressed Data Format
     Specification version 3.3</A
>" (RFC 1950).
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      This is <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>not</I
></SPAN
> the same as gzip compression,
      which includes some header data. See <A
HREF="function.gzencode.html"
><B
CLASS="function"
>gzencode()</B
></A
>
      for gzip compression.
     </P
></BLOCKQUOTE
></DIV
><P
>&#13;     See also <A
HREF="function.gzdeflate.html"
><B
CLASS="function"
>gzdeflate()</B
></A
>,
     <A
HREF="function.gzinflate.html"
><B
CLASS="function"
>gzinflate()</B
></A
>,
     <A
HREF="function.gzuncompress.html"
><B
CLASS="function"
>gzuncompress()</B
></A
>,
     <A
HREF="function.gzencode.html"
><B
CLASS="function"
>gzencode()</B
></A
>.
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