37 lines
861 B
PHP
37 lines
861 B
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\Context\Propagation;
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use OpenTelemetry\Context\Context;
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use OpenTelemetry\Context\ContextInterface;
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final class NoopTextMapPropagator implements TextMapPropagatorInterface
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{
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private static ?self $instance = null;
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public static function getInstance(): self
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{
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if (null === self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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public function fields(): array
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{
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return [];
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}
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public function extract($carrier, PropagationGetterInterface $getter = null, ContextInterface $context = null): ContextInterface
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{
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return $context ?? Context::getCurrent();
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}
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public function inject(&$carrier, PropagationSetterInterface $setter = null, ContextInterface $context = null): void
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{
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}
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}
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