Fsockopen::accept_encoding(): string

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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.

Retrieve the encodings we can accept

Return

string Accept-Encoding header value

Source

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);
}

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