Poll the channels/listeners/streams for events

# ssh2_poll

(PECL ssh2 >= 0.9.0)

ssh2_poll — Poll the channels/listeners/streams for events

### Description

ssh2_poll(array `&$desc`, int `$timeout` = 30): int

Polls the channels/listeners/streams for events, and returns the number of descriptors which returned non-zero revents.

Warning

This function is currently not documented; only its argument list is available.

### Parameters

`desc`
  An indexed array of subarrays with the keys `'resource'` and `'events'`. The value of the resource is a (channel) stream or an SSH2 Listener resource. The value of the event are SSH2_POLL* flags bitwise ORed together. Each subarray will be populated with an `'revents'` element on return, whose values are SSH2_POLL* flags bitwise ORed together of the events that occurred.
`timeout`
  The timeout in seconds.

### Return Values

Returns the number of descriptors which returned non-zero revents.

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