colinodell / commonmark-sup-sub-extensions

A sup/sub extension for CommonMark PHP implementation

ows/commonmark-sup-sub-extensions

This library adds support of superscript and subscript (<sup> and <sub> HTML tags) to league/commonmark.

Installation

This project can be installed via [Composer]:

$ composer require ows/commonmark-sup-sub-extensions

Usage

use League\CommonMark\Environment;
use Ows\CommonMark\SupExtension;
use Ows\CommonMark\SubExtension;

$environment = Environment::createCommonMarkEnvironment();
$environment->addExtension(new SupExtension());
$environment->addExtension(new SubExtension());

See CommonMark customization.

Syntax

Code:

10^2^
10~2~

Result:

10<sup>2</sup>
10<sub>2</sub>