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# msg_stat_queue

(PHP 4 >= 4.3.0, PHP 5)

msg_stat_queue -- Returns information from the message queue data structure

## Description

array msg_stat_queue ( resource queue)

msg_stat_queue() returns the message queue meta data for the message queue specified by the `queue`. This is useful, for example, to determine which process sent the message that was just received.

The return value is an array whose keys and values have the following meanings:

Tabelle 1. Array structure for msg_stat_queue

`msg_perm.uid` | The uid of the owner of the queue.
`msg_perm.gid` | The gid of the owner of the queue.
`msg_perm.mode` | The file access mode of the queue.
`msg_stime` | The time that the last message was sent to the queue.
`msg_rtime` | The time that the last message was received from the queue.
`msg_ctime` | The time that the queue was last changed.
`msg_qnum` | The number of messages waiting to be read from the queue.
`msg_qbytes` | The number of bytes of space currently available in the queue to hold sent messages until they are received.
`msg_lspid` | The pid of the process that sent the last message to the queue.
`msg_lrpid` | The pid of the process that received the last message from the queue.

See also msg_remove_queue(), msg_receive(), msg_stat_queue() and msg_set_queue().

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