Hi,
When $mailbox string ends with '/' it doesn't subscribe and doesn't return any error. You need to rtrim this character.PHP - Manual: imap_subscribe
2025-10-25
(PHP 4, PHP 5, PHP 7, PHP 8)
imap_subscribe — Subscribe to a mailbox
imapIMAP\Connection 实例。
mailboxThe mailbox name, see imap_open() for more information
Passing untrusted data to this parameter is insecure, unless imap.enable_insecure_rsh is disabled.
| 版本 | 说明 |
|---|---|
| 8.1.0 |
现在 imap 参数接受 IMAP\Connection
实例,之前接受有效的 imap resource。
|
官方地址:https://www.php.net/manual/en/function.imap-subscribe.php