WordPress at a glance
function is not described

gzip_accepted() WPSCache 1.0

No Hooks.

Return

null. Nothing.

Usage

gzip_accepted();

Code of gzip_accepted() WPSCache 1.7.3

<?php
function gzip_accepted(){
	if ( 1 == ini_get( 'zlib.output_compression' ) || "on" == strtolower( ini_get( 'zlib.output_compression' ) ) ) // don't compress WP-Cache data files when PHP is already doing it
		return false;

	if ( !isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) || ( isset( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ] ) && strpos( $_SERVER[ 'HTTP_ACCEPT_ENCODING' ], 'gzip' ) === false ) ) return false;
	return 'gzip';
}