function get_filesystem_method() | Codetter（こーどったー）

function get_filesystem_method($args = array(), $context = false) {
	$method = defined('FS_METHOD') ? FS_METHOD : false; //Please ensure that this is either 'direct', 'ssh', 'ftpext' or 'ftpsockets'

	if ( ! $method && function_exists('getmyuid') && function_exists('fileowner') ){
		if ( !$context )
			$context = WP_CONTENT_DIR;
		$context = trailingslashit($context);
		$temp_file_name = $context . 'temp-write-test-' . time();
		$temp_handle = @fopen($temp_file_name, 'w');
		if ( $temp_handle ) {
			if ( getmyuid() == @fileowner($temp_file_name) )
				$method = 'direct';
			@fclose($temp_handle);
			@unlink($temp_file_name);
		}
 	}

	if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && function_exists('stream_get_contents') ) $method = 'ssh2';
	if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext';
	if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread
	return apply_filters('filesystem_method', $method, $args);
}