# Reference

LLMS index: [llms.txt](/llms.txt)

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Section pages:

- [Configuration](/uk/docs/zero-code/php/distro/reference/configuration/): Configuration options for OpenTelemetry PHP Distro.
- [Supported Technologies](/uk/docs/zero-code/php/distro/reference/supported-technologies/): Supported PHP versions, SAPIs, operating systems, frameworks, and libraries for OpenTelemetry PHP Distro.
- [Performance Overhead](/uk/docs/zero-code/php/distro/reference/performance-overhead/): Performance benchmark results and guidance for minimizing overhead when using OpenTelemetry PHP Distro.
- [Attribute-based Instrumentation](/uk/docs/zero-code/php/distro/reference/attribute-instrumentation/): Automatically create spans using PHP 8 attributes with OpenTelemetry PHP Distro.
- [Long-running PHP Servers](/uk/docs/zero-code/php/distro/reference/long-running-server/): Configure OpenTelemetry PHP Distro for Laravel Octane (Swoole, RoadRunner) and other persistent PHP server processes.