(PHP 7 >= 7.2.0)
ftp_append — Append the contents of a file to another file on the FTP server
$ftp
, string $remote_file
, string $local_file
[, int $mode = FTP_IMAGE
] ) : bool
��������δ��д�ĵ������в����б�
ftp
remote_file
local_file
mode
�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��