IMAP 函数
PHP 手册

imap_num_recent

(PHP 4, PHP 5)

imap_num_recent — Gets the number of recent messages in current mailbox

说明

int imap_num_recent ( resource $imap_stream )

Gets the number of recent messages in the current mailbox.

参数

imap_stream

An IMAP stream returned by imap_open().

返回值

Returns the number of recent messages in the current mailbox, as an integer.

参见

IMAP 函数
PHP 手册