function Span::getParentSpanId

The `span_id` of this span's parent span. If this is a root span, then this field must be empty. The ID is an 8-byte array.

Generated from protobuf field <code>bytes parent_span_id = 4;</code>

Return value

string

File

vendor/open-telemetry/gen-otlp-protobuf/Opentelemetry/Proto/Trace/V1/Span.php, line 382

Class

Span

A Span represents a single operation performed by a single component of the system. The next available field id is 17.

Namespace

Opentelemetry\Proto\Trace\V1

Code

public function getParentSpanId() {
    return $this->parent_span_id;
}