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 | int | |
MSG_EAGAIN | int | As of 5.2.0 |
MSG_ENOMSG | int | As of 5.2.0 |
MSG_NOERROR | int | |
MSG_EXCEPT | int |