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Interface to PHPStan (PHP static analyzer)
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README.org

phpstan.el

MELPA: phpstan MELPA stable: phpstan

Emacs interface to PHPStan, includes checker for Flycheck.

Support version

  • Emacs 24+
  • PHPStan latest/dev-master (NOT support 0.9 seriese)
  • PHP 7.1+ or Docker runtime

How to install

Install from MELPA

  1. If you have not set up MELPA, see Getting Started - MELPA.
  2. M-x package-install flycheck-phpstan

How to use

For Flycheck user

(defun my-php-mode-setup ()
  "My PHP-mode hook."
  (require 'flycheck-phpstan)
  (flycheck-mode t))

(add-hook 'php-mode-hook 'my-php-mode-setup)

For Flymake user

The function for flymake will be implemented soon. You do not have to depend on flycheck.

Using Docker (phpstan/docker-image)

Install Docker CE and phpstan/docker-image(latest).

If you always use Docker for PHPStan, add the following into your .emacs file (~~/.emacs.d/init.el~)

(setq-default phpstan-executable 'docker)

Put the following into .dir-locals.el files on the root directory of project.

((nil . ((php-project-root . git)
         (phpstan-executable . docker)
         (phpstan-working-dir . (root . "path/to/dir"))
         (phpstan-config-file . (root . "path/to/dir/phpstan-docker.neon"))
         (phpstan-level . 7))))

Using composer (project specific)

If your project Composer relies on phpstan, you do not need to set anything.

((nil . ((php-project-root . git)
         (phpstan-executable . docker)
         (phpstan-working-dir . (root . "path/to/dir"))
         (phpstan-config-file . (root . "path/to/dir/phpstan-docker.neon"))
         (phpstan-level . 7))))

Using Composer

Please install phpstan/phpstan-shim or phpstan/phpstan package for each user environment or project by using Composer.

If you are unfamiliar with resolving dependencies, the following shell commands are recommended.

$ composer global require phpstan/phpstan-shim

Hint: If you failed the installation due to old PsySH or php-parser, try the following shell command.

$ composer global remove psy/psysh nikic/php-parser
$ composer global require phpstan/phpstan-shim psy/psysh

Using PHAR archive

NOTICE: phpstan.el requires PHPStan **0.10+**.

Please download phpstan.phar from Releases · phpstan/phpstan.

Settings

Variables for phpstan are mainly controlled by directory variables (.dir-locals.el).

Frequently (root. "path/to/file") notation appears in these variables. It is relative to the top level directory of the project. In general, the directory containing one of .projectile, composer.json, .git file (or directory) is at the top level.

Please be aware that the root directory of the PHP project may NOT match either of PHPStan’s %rootDir% and/or %currentWorkingDirectory%.

Typically, you would set the following .dir-locals.el.

((nil . ((php-project-root . auto)
         (phpstan-executable . docker)
         (phpstan-working-dir . (root . "path/to/dir/"))
         (phpstan-config-file . (root . "path/to/dir/phpstan-custom.neon"))
         (phpstan-level . max))))

If there is a phpstan.neon file in the root directory of the project, you do not need to set both phpstan-working-dir and phpstan-config-file.

API

Most variables defined in this package are buffer local. If you want to set it for multiple projects, use setq-default.

Local variable phpstan-working-dir

Path to working directory of PHPStan.

STRING
Absolute path to `phpstan’ working directory.
  • ex) ~”/path/to/phpstan.phar”~
(root . STRING)
Relative path to `phpstan’ working directory from project root directory.
  • ex) (root . "path/to/dir")
nil
Use (php-project-get-root-dir) as working directory.

Local variable phpstan-config-file

Path to project specific configuration file of PHPStan.

STRING
Absolute path to phpstan configuration file.
(root . STRING)
Relative path to phpstan configuration file from project root directory.
NIL
Search phpstan.neon(.dist) in (phpstan-get-working-dir).

Local variable phpstan-level

Rule level of PHPStan analysis. Please see README #Rule levels of PHPStan. 0 is the loosest and you can also use max as an alias for the highest level. Default level is 0.

Local variable phpstan-executable

STRING
Absolute path to `phpstan’ executable file.
  • ex) ~”/path/to/phpstan.phar”~
SYMBOL docker
Use Docker using phpstan/docker-image.
(root . STRING)
Relative path to `phpstan’ executable file from project root directory.
  • ex) (root . "script/phpstan")
(STRING . (ARGUMENTS ...))
Command name and arguments.
  • ex) ("docker" "run" "--rm" "-v" "/path/to/project-dir/:/app" "your/docker-image")
nil
Auto detect phpstan executable file by composer dependencies of the project or executable command in PATH environment variable.

Custom variable phpstan-flycheck-auto-set-executable

Set flycheck phpstan-executable automatically when non-NIL.

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