<?php

use Seld\JsonLint\JsonParser;

$json = '{
    "name": "vendor/budgie-project",
    "description": "Showing PHP code snippets and its executed code in your browser",
    "require": {
        "composer/composer": "1.0.*@dev",
    },
    "autoload": {
        "psr-0": { "Budgie\\\\": "lib/" }
    },
    "minimum-stability": "dev"
}';

$parser = new JsonParser();

$lint = $parser->lint($json);

if (!is_null($lint)) {
// Seld\JsonLint\ParsingException
    echo $lint->getMessage();
}

Parse error on line 5:
...": "1.0.*@dev", }, "autoload": {
---------------------^
Expected: 'STRING' - It appears you have an extra trailing comma

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PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8