This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Fsockopen::accept_encoding()

Retrieve the encodings we can accept


Return

(string) Accept-Encoding header value


Source

File: wp-includes/Requests/src/Transport/Fsockopen.php

	private static function accept_encoding() {
		$type = [];
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

		if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

		$type[] = 'gzip;q=0.5';

		return implode(', ', $type);
	}