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# gzdeflate

(PHP 4 >= 4.0.4)

gzdeflate -- Deflate a string

## Description

``string gzdeflate` (string data [, int level])`

This function returns a compressed version of the input `data` using the DEFLATE data format, or `FALSE` if an error is encountered. The optional parameter `level` can be given as 0 for no compression up to 9 for maximum compression.

For details on the DEFLATE compression algorithm see the document "DEFLATE Compressed Data Format Specification version 1.3" (RFC 1951).

See also gzinflate(), gzcompress(), gzuncompress(), gzencode().

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