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1<HTML
2><HEAD
3><TITLE
4>gzcompress</TITLE
5><META
6NAME="GENERATOR"
7CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
8REL="HOME"
9TITLE="Manuál PHP"
10HREF="index.html"><LINK
11REL="UP"
12TITLE="Zlib Compression Functions"
13HREF="ref.zlib.html"><LINK
14REL="PREVIOUS"
15TITLE="gzclose"
16HREF="function.gzclose.html"><LINK
17REL="NEXT"
18TITLE="gzdeflate"
19HREF="function.gzdeflate.html"><META
20HTTP-EQUIV="Content-type"
21CONTENT="text/html; charset=ISO-8859-2"></HEAD
22><BODY
23CLASS="refentry"
24BGCOLOR="#FFFFFF"
25TEXT="#000000"
26LINK="#0000FF"
27VLINK="#840084"
28ALINK="#0000FF"
29><DIV
30CLASS="NAVHEADER"
31><TABLE
32SUMMARY="Header navigation table"
33WIDTH="100%"
34BORDER="0"
35CELLPADDING="0"
36CELLSPACING="0"
37><TR
38><TH
39COLSPAN="3"
40ALIGN="center"
41>Manuál PHP</TH
42></TR
43><TR
44><TD
45WIDTH="10%"
46ALIGN="left"
47VALIGN="bottom"
48><A
49HREF="function.gzclose.html"
50ACCESSKEY="P"
51>Pøedcházející</A
52></TD
53><TD
54WIDTH="80%"
55ALIGN="center"
56VALIGN="bottom"
57></TD
58><TD
59WIDTH="10%"
60ALIGN="right"
61VALIGN="bottom"
62><A
63HREF="function.gzdeflate.html"
64ACCESSKEY="N"
65>Dal¹í</A
66></TD
67></TR
68></TABLE
69><HR
70ALIGN="LEFT"
71WIDTH="100%"></DIV
72><H1
73><A
74NAME="function.gzcompress"
75></A
76>gzcompress</H1
77><DIV
78CLASS="refnamediv"
79><A
80NAME="AEN90441"
81></A
82><P
83> (PHP 4 &#62;= 4.0.1)</P
84>gzcompress&nbsp;--&nbsp;Compress a string</DIV
85><DIV
86CLASS="refsect1"
87><A
88NAME="AEN90444"
89></A
90><H2
91>Description</H2
92>string <B
93CLASS="methodname"
94>gzcompress</B
95> ( string data [, int level])<BR
96></BR
97><P
98>&#13; This function returns a compressed version of the input
99 <TT
100CLASS="parameter"
101><I
102>data</I
103></TT
104> using the ZLIB data format,
105 or <TT
106CLASS="constant"
107><B
108>FALSE</B
109></TT
110> if an error is encountered. The optional parameter
111 <TT
112CLASS="parameter"
113><I
114>level</I
115></TT
116> can be given as 0 for no
117 compression up to 9 for maximum compression.
118 </P
119><P
120>&#13; For details on the ZLIB compression algorithm see the document
121 "<A
122HREF="http://www.ietf.org/rfc/rfc1950.txt"
123TARGET="_top"
124>ZLIB Compressed Data Format
125 Specification version 3.3</A
126>" (RFC 1950).
127 </P
128><DIV
129CLASS="note"
130><BLOCKQUOTE
131CLASS="note"
132><P
133><B
134>Poznámka: </B
135>
136 This is <SPAN
137CLASS="emphasis"
138><I
139CLASS="emphasis"
140>not</I
141></SPAN
142> the same as gzip compression,
143 which includes some header data. See <A
144HREF="function.gzencode.html"
145><B
146CLASS="function"
147>gzencode()</B
148></A
149>
150 for gzip compression.
151 </P
152></BLOCKQUOTE
153></DIV
154><P
155>&#13; See also <A
156HREF="function.gzdeflate.html"
157><B
158CLASS="function"
159>gzdeflate()</B
160></A
161>,
162 <A
163HREF="function.gzinflate.html"
164><B
165CLASS="function"
166>gzinflate()</B
167></A
168>,
169 <A
170HREF="function.gzuncompress.html"
171><B
172CLASS="function"
173>gzuncompress()</B
174></A
175>,
176 <A
177HREF="function.gzencode.html"
178><B
179CLASS="function"
180>gzencode()</B
181></A
182>.
183 </P
184></DIV
185><DIV
186CLASS="NAVFOOTER"
187><HR
188ALIGN="LEFT"
189WIDTH="100%"><TABLE
190SUMMARY="Footer navigation table"
191WIDTH="100%"
192BORDER="0"
193CELLPADDING="0"
194CELLSPACING="0"
195><TR
196><TD
197WIDTH="33%"
198ALIGN="left"
199VALIGN="top"
200><A
201HREF="function.gzclose.html"
202ACCESSKEY="P"
203>Pøedcházející</A
204></TD
205><TD
206WIDTH="34%"
207ALIGN="center"
208VALIGN="top"
209><A
210HREF="index.html"
211ACCESSKEY="H"
212>Domù</A
213></TD
214><TD
215WIDTH="33%"
216ALIGN="right"
217VALIGN="top"
218><A
219HREF="function.gzdeflate.html"
220ACCESSKEY="N"
221>Dal¹í</A
222></TD
223></TR
224><TR
225><TD
226WIDTH="33%"
227ALIGN="left"
228VALIGN="top"
229>gzclose</TD
230><TD
231WIDTH="34%"
232ALIGN="center"
233VALIGN="top"
234><A
235HREF="ref.zlib.html"
236ACCESSKEY="U"
237>Nahoru</A
238></TD
239><TD
240WIDTH="33%"
241ALIGN="right"
242VALIGN="top"
243>gzdeflate</TD
244></TR
245></TABLE
246></DIV
247></BODY
248></HTML
249>
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