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The headless PHP 8.4 / PDF 2.0 engine — made with care, clear to read, open to all, trusted for years.


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Engine PHP 8.4 · strict types
Spec coverage PDF 2.0 (ISO 32000-2)
Signatures PAdES B / T / LT / LTA
Accessibility PDF/UA-1 · PDF/UA-2
Archive PDF/A-1 through PDF/A-4
Quality PHPStan Level 10
Timestamping RFC 3161 TSA · eIDAS-aligned
Tagged structure ISO 32000-2 logical structure

This site is the consumer-facing aggregation endpoint: each source repository ships its docs/public/ tree, and the build pipeline assembles those docs here. Per-module reference pages, cookbook recipes, and specification documents arrive at the Writing Gate as their sources stabilize.

The Insider_ section is editorial content owned by the docs site itself. Every page ships with verified Web Content Accessibility Guidelines (WCAG) 2.2 AA contrast, ISO 9241-112 grouping conventions, and audit-traceable citations to the source specification it restates. You can always trace a claim back to its standard.