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imap_num_msg

(PHP 4, PHP 5, PHP 7)

imap_num_msg — Gets the number of messages in the current mailbox

说明

imap_num_msg ( resource $imap_stream ) : int

Gets the number of messages in the current mailbox.

参数

imap_stream

由 imap_open() 返回的 IMAP 流。

返回值

Return the number of messages in the current mailbox, as an integer, or FALSE on error.

参见