PHP mysqli poll() Function
Definition and Usage
The poll() / mysqli_poll() function is used to poll connections.
Syntax
Object oriented style:
$mysqli -> poll(read, error, reject, seconds, microseconds)
Procedural style:
mysqli_poll(read, error, reject, seconds, microseconds)
Parameter Values
| Parameter | Description |
|---|---|
| read | Required. Specifies a list of connections to check for outstanding results that can be read |
| error | Required. Specifies a list of connections on which an error occurred, like query failure or lost connection |
| reject | Required. Specifies a list of connections rejected because no asynchronous query has been run on for which the function could poll results |
| seconds | Required. Specifies the maximum number of seconds to wait |
| microseconds | Optional. Specifies the maximum number of microseconds to wait. Default is 0 |
Technical Details
| Return Value: | The number of ready connections on success. FALSE on failure |
|---|---|
| PHP Version: | 5.3+ |
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