Flow PHP

psr3_telemetry_logger()

Create a TelemetryLogger that exposes a PSR-3 LoggerInterface backed by a Flow Telemetry Logger.

Parameters

$logger : Logger

Flow Telemetry logger to forward log records to

$converter : LogRecordConverter = new LogRecordConverter()

Converter from PSR-3 calls to Telemetry LogRecords

Example:

use function Flow\Bridge\Psr3\Telemetry\DSL\psr3_telemetry_logger;

$psrLogger = psr3_telemetry_logger($telemetry->logger('my-service'));
$psrLogger->info('User {user_id} logged in', ['user_id' => 123]);

psr3_severity_mapper()

Create a SeverityMapper for mapping PSR-3 LogLevel strings to Telemetry Severity.

Parameters

$customMapping : null|array<string, Severity> = null

Optional override (PSR-3 LogLevel string => Severity)

Example with custom mapping:

use Psr\Log\LogLevel;
use Flow\Telemetry\Logger\Severity;

$mapper = psr3_severity_mapper([
    LogLevel::DEBUG     => Severity::TRACE,
    LogLevel::INFO      => Severity::INFO,
    LogLevel::NOTICE    => Severity::WARN,
    LogLevel::WARNING   => Severity::WARN,
    LogLevel::ERROR     => Severity::ERROR,
    LogLevel::CRITICAL  => Severity::FATAL,
    LogLevel::ALERT     => Severity::FATAL,
    LogLevel::EMERGENCY => Severity::FATAL,
]);

psr3_log_record_converter()

Create a LogRecordConverter that turns PSR-3 calls into Telemetry LogRecords.

Parameters

$severityMapper : SeverityMapper|null = null

$valueNormalizer : ValueNormalizer|null = null

psr3_value_normalizer()

Create a ValueNormalizer for converting arbitrary PHP values into Telemetry attribute types.