This article explains how to install ide-helper in phpstorm (based on lumen)

composer require barryvdh/laravel-ide-helper Using version ^2.6 for barryvdh/laravel-ide-helper ./composer.json has been updated Loading composer repositories with package information Updating dependencies (including require-dev) Package operations: 11 installs, 0 updates, 0 removals - Installing composer/xdebug-handler (1.3.2): Loading from cache - Installing composer/spdx-licenses (1.5.1): Loading from cache - Installing symfony/filesystem (v4.2.5): Loading from cache - Installing justinrainbow/json-schema (5.2.8): Loading from cache - Installing seld/phar-utils (1.0.1): Loading from cache - Installing seld/jsonlint (1.7.1): Loading from cache - Installing composer/semver (1.5.0): Loading from cache - Installing composer/ca-bundle (1.1.4): Loading from cache - Installing composer/composer (1.8.4): Loading from cache - Installing barryvdh/reflection-docblock (v2.0.6): Loading from cache - Installing barryvdh/laravel-ide-helper (v2.6.2): Loading from cache barryvdh/reflection-docblock suggests installing dflydev/markdown (~1.0) barryvdh/laravel-ide-helper suggests installing doctrine/dbal (Load information from the database about models for phpdocs (~2.3)) Writing lock file Generating optimized autoload files

Loading in configuration (bootstrap/app.php)

//ide helper $app->register(Barryvdh\LaravelIdeHelper\IdeHelperServiceProvider::class);

php artisan ide-helper:generate

Error report

##Google it, it should be that this extension is not installed, install

composer require league/flysystem

and then execute it, get it

php artisan ide-helper:generate A new helper file was written to _ide_helper.php

_ide_helper.php _ide_helper_models.php .phpstorm.meta.php

Reference: