The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
Constant | Type | Changelog |
---|---|---|
MSG_IPC_NOWAIT | integer | |
MSG_EAGAIN | integer | As of 5.2.0 |
MSG_ENOMSG | integer | As of 5.2.0 |
MSG_NOERROR | integer | |
MSG_EXCEPT | integer |