Post the data of your extension with the Browser! You dont need neither any own PHP code nor any own plugin. You can save up to 85 percent of your operating expense. The Browser TYPO3 without PHP provides responsive templates, an index browser (a-z), a page browser, a record browser, a search form, filters, category menus, AJAX, GoogleMaps and OpenStreetMap by default. SEO Search Engine Optimization is optional.
[BUGFIX] DONT ADD autoload to composer.json: Browser wont have any Class!