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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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HHVM | Star Stack

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HHVM

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HHVM

Name: HHVM
Author: Star Stack

Open-source virtual machine for Hack and PHP with JIT compilation

Visit Website GitHub 18.7K

About

HHVM is an open-source virtual machine that executes programs written in Hack and PHP. It uses just-in-time compilation to translate bytecode into machine code at runtime for optimized performance.

Resources

No migration guide is currently listed for this service.

Suggest a migration guide or report an outdated link.

Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness50% (Partial)

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
No foreign parent provider
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Significant foreign ownership or control risk

Public company (US exchange)
Publicly traded
Acquisition risk unknown (assumed high) (Submit verified data to improve this score)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

Meta Platforms, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Public (US)
Deployment: Self-host, SaaS

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

hqCountry: github
Retrieved 30/01/2026, confidence 96%.
Read evidence excerpt
HHVM: A virtual machine for executing programs written in Hack, maintained by Meta (Facebook)
hqCountry: github
Retrieved 30/01/2026, confidence 96%.
Read evidence excerpt
HHVM: A virtual machine for executing programs written in Hack, maintained by Meta (Facebook)
Ownership: other
Statement 12/02/2026, confidence 90%.
Read evidence notes
From enrichment pipeline 2026-02-06_03-32-59_c6_v20-validation
Ownership: other
Statement 17/03/2026, confidence 90%.
Read evidence notes
R11 audit correction. Authorized representative: Anne O'Leary Registered in Ireland (Companies Registration Office) Company No. 462932