function MeterInterface::createObservableUpDownCounter

Creates an `ObservableUpDownCounter`.

Parameters

string $name name of the instrument:

string|null $unit unit of measure:

string|null $description description of the instrument:

array|callable $advisory an optional set of recommendations, or: deprecated: the first callback to report measurements

callable ...$callbacks responsible for reporting measurements:

Return value

ObservableUpDownCounterInterface created instrument

See also

https://github.com/open-telemetry/opentelemetry-specification/blob/main…

3 methods override MeterInterface::createObservableUpDownCounter()

LateBindingMeter::createObservableUpDownCounter in vendor/open-telemetry/api/Metrics/LateBindingMeter.php

Creates an `ObservableUpDownCounter`.

Meter::createObservableUpDownCounter in vendor/open-telemetry/sdk/Metrics/Meter.php

Creates an `ObservableUpDownCounter`.

NoopMeter::createObservableUpDownCounter in vendor/open-telemetry/api/Metrics/Noop/NoopMeter.php

Creates an `ObservableUpDownCounter`.

File

vendor/open-telemetry/api/Metrics/MeterInterface.php, line 174

Class

MeterInterface

Namespace

OpenTelemetry\API\Metrics

Code

public function createObservableUpDownCounter(string $name, ?string $unit = null, ?string $description = null, array|callable $advisory = [], callable ...$callbacks) : ObservableUpDownCounterInterface;