# segmentfault/HyperDown

一个结构清晰的，易于维护的，现代的PHP Markdown解析器

Repository: https://github.com/segmentfault/HyperDown
Canonical: https://ross.abutalabs.com/products/hyperdown
Language: PHP
License: NOASSERTION
License Family: other
Last push: 2025-07-04T06:38:00+00:00

## Health v2 (maintenance only)
Score: 46/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 30, release rhythm 35, longevity 100
- inputs: {"age_days": 4038, "days_push": 425, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1265, forks 220 (observed 2026-08-28T04:04:11.071291+00:00)

## What it is
HyperDown is a modern, clearly structured Markdown parser written in PHP, built by SegmentFault for their own platform. It converts Markdown text into HTML with support for headings, lists, quotes, code blocks, tables, links, images, and footnotes.

## Use cases
- parse markdown to html in php
- render user-generated markdown content on a website
- convert markdown comments or posts to html
- replace slow or unmaintainable php markdown libraries
- embed a markdown parser in a php cms or forum

## When to choose
- you need a fast, maintainable PHP markdown parser
- you want a parser with clean, readable code you can extend
- you need GitHub-style fenced code blocks and tables

## When to avoid
- you need full CommonMark spec compliance
- your project is not in PHP
- you need a parser with extensive plugin ecosystem

## Facets
- artifact type: library
- maturity: stable
- function: parser, markdown
- domain: web-development, parsers, text-editors
- platform: php
- tags: markdown-parser, html-conversion, segmentfault

## Member repositories
- segmentfault/HyperDown (main) score 46

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:11.071291+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T05:04:00.383492+00:00, confidence not recorded.
  - readme: https://github.com/segmentfault/HyperDown (fetched 2026-08-28T04:04:11.071291+00:00, sha 064fd5d9de7b)
- Data as of 2026-08-30T08:39:29.467469+00:00.