DiceExtension

Diceroll.php

<?php
// Define a function to handle the dice rolling
function wfDiceRollParserFunction($parser, $rollString = '') {
    // Parse the input string (e.g., "2d6")
    preg_match('/(\d+)d(\d+)/', $rollString, $matches);
    if (count($matches) !== 3) {
        return 'Invalid dice notation. Please use the format: XdY';
    }
    $numDice = intval($matches[1]);
    $numSides = intval($matches[2]);

    // Roll the dice
    $total = 0;
    for ($i = 0; $i < $numDice; $i++) {
        $total += mt_rand(1, $numSides);
    }

    // Return the result
    return $total;
}

// Register the parser function with MediaWiki
$wgHooks['ParserFirstCallInit'][] = 'wfDiceRollSetup';
function wfDiceRollSetup($parser) {
    $parser->setFunctionHook('rollDice', 'wfDiceRollParserFunction');
    return true;
}

extension.json:

{
    "name": "DiceRoll",
    "author": "Your Name",
    "version": "1.0",
    "description": "Allows users to roll dice within MediaWiki pages.",
    "license-name": "MIT",
    "type": "parserhook",
    "manifest_version": 1
}

Call with

{{#rollDice: 3d6+2}} => Result: [Total of the rolled dice] + 2
{{#rollDice: 2d8-1}} => Result: [Total of the rolled dice] - 1
{{#rollDice: 1d10}} => Result: [Total of the rolled dice]