International PHP Conference Munich 2021

预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

MSG_IPC_NOWAIT (int)
MSG_EAGAIN (int)
MSG_ENOMSG (int)
MSG_NOERROR (int)
MSG_EXCEPT (int)
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