http_deflate(3) php man page | unix.com

HTTP_DEFLATE(3) 							 1							   HTTP_DEFLATE(3)

http_deflate - Deflate data

SYNOPSIS
       string http_deflate (string  $data, [int  $flags])

DESCRIPTION
	Compress data with gzip, zlib AKA deflate or raw deflate encoding.

	See the deflate constants table for possible values for the $flags parameter.

PARAMETERS
	      o $data
		- String containing the data that should be encoded

	      o $flags
		- deflate options

RETURN VALUES
	Returns the encoded string on success, or NULL on failure.

SEE ALSO
       http_inflate(3), HttpDeflateStream.

PHP Documentation Group 													   HTTP_DEFLATE(3)