function ObservableUpDownCounterInterface::observe
Parameters
callable(ObserverInterface): void $callback function responsible for: reporting the measurements (as absolute values)
Return value
ObservableCallbackInterface token to detach callback
1 method overrides ObservableUpDownCounterInterface::observe()
- NoopObservableUpDownCounter::observe in vendor/
open-telemetry/ api/ Metrics/ Noop/ NoopObservableUpDownCounter.php
File
-
vendor/
open-telemetry/ api/ Metrics/ ObservableUpDownCounterInterface.php, line 15
Class
Namespace
OpenTelemetry\API\MetricsCode
public function observe(callable $callback) : ObservableCallbackInterface;