mysqli::poll

Name:mysqli::poll

Category:MySQLi

Programming Language:php

One-line Description:Poll the connection.

Definition and usage

poll() / mysqli_poll() function is used to poll connections.

 $mysqli -> poll ( read , error , reject , seconds , microseconds )

 mysqli_poll ( read , error , reject , seconds , microseconds )

parameter	describe
read	Required. Specifies a list of connections to check for readable unfinished results.
error	Required. Specifies a list of connections where an error occurs, such as query failure or connection loss.
reject	Required. Specifies a list of rejected connections, because no asynchronous query is run, the function cannot poll the result.
seconds	Required. Specifies the maximum number of seconds to wait.
microseconds	Optional. Specifies the maximum number of microseconds to wait. The default value is 0.