CodeHighlight

Examples

The repository contains one curated, compact source example for each of the 27 default languages. The same stable inputs drive documentation previews and parser checks.

Browse the complete source catalog on GitHub, or use the individual links in the language reference.

Each image is generated at 800 × 400 pixels from the real public highlighter API.

PHP

Alto Dark Alto Light
PHP highlighted with Alto Dark PHP highlighted with Alto Light
GitHub Dark GitHub Light
PHP highlighted with GitHub Dark PHP highlighted with GitHub Light

Twig

Alto Dark Alto Light
Twig highlighted with Alto Dark Twig highlighted with Alto Light
GitHub Dark GitHub Light
Twig highlighted with GitHub Dark Twig highlighted with GitHub Light

HTML

Alto Dark Alto Light
HTML highlighted with Alto Dark HTML highlighted with Alto Light
GitHub Dark GitHub Light
HTML highlighted with GitHub Dark HTML highlighted with GitHub Light

JavaScript

Alto Dark Alto Light
JavaScript highlighted with Alto Dark JavaScript highlighted with Alto Light
GitHub Dark GitHub Light
JavaScript highlighted with GitHub Dark JavaScript highlighted with GitHub Light

CSS

Alto Dark Alto Light
CSS highlighted with Alto Dark CSS highlighted with Alto Light
GitHub Dark GitHub Light
CSS highlighted with GitHub Dark CSS highlighted with GitHub Light

The previews use the same source samples as the package tests. See Creating a theme to use them when reviewing a custom theme.