IMAP
PHP Manual

imap_num_msg

(PHP 4, PHP 5)

imap_num_msg — Gets the number of messages in the current mailbox

说明

int imap_num_msg ( resource $imap_stream )

Gets the number of messages in the current mailbox.

参数

imap_stream

An IMAP stream returned by imap_open().

返回值

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

参见


IMAP
PHP Manual