Web студия "GrandView"

Описание

string gzdeflate ( string data [, int level] )

Сжимает строку используя формат данных DEFLATE.

Для подробностей по алгоритму сжатия DEFLATE, см. "DEFLATE Compressed Data Format Specification 1.3" (RFC 1951).

Список параметров

data: Данные для сжатия.
level: Уровень сжатия. 0 - без сжатия, 9 - максимум. Если не указан, будет использоваться уровень сжатия по умолчанию библиотеки zlib.

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gzdeflate

romain dot lalaut at laposte dot net
08-Oct-2007 07:20


@ giunta dot gaetano at sea-aeroportimilano dot it

No, gzdeflate() implements rfc1951. 

And rf2616 (http 1.1 specs) says "deflate : The "zlib" format defined in RFC 1950 [31] in combination with the "deflate" compression mechanism described in RFC 1951 [29]."

giunta dot gaetano at sea-aeroportimilano dot it
21-Aug-2006 05:22


Take care that that "PHP deflate" != "HTTP deflate".



The deflate encoding used in HTTP is actually zlib encoded.



This is what PHP functions return:

gzencode() == gzip

gzcompress() == zlib (aka. HTTP deflate)

gzdeflate()  == *raw* deflate encoding

denis dot noessler at red-at dot de
17-Jun-2003 03:26


if you have compressed data which is greater than 2 MB (system dependent), you will receive a buffer error by calling the function gzinflate().

be sure to to compress your data by a lower compression level, like 1.

i.e.: gzdeflate($sData, 1);

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gzdeflate

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Список параметров

Возвращаемые значения

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