I would like to work on this bear proposal 😄

Tested phpstan!! The linter is good.
While converting it to bear I m having issues.
As phpstan is being installed through composer.
I Tried installing both composer and phpstan globally.
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" php -r "if (hash_file('SHA384', 'composer-setup.php') === '55d6ead61b29c7bdee5cccfb50076874187bd9f21f65d8991d46ec5cc90518f447387fb9f76ebae1fbbacf329e583e30') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" php composer-setup.php php -r "unlink('composer-setup.php');" mv composer.phar /usr/local/bin/composer composer global require phpstan/phpstan
added phpstan to $PATH
As suggested by @SanketDG to checkout which phpstan on CLI
It doesnt show any path wheareas whereis phpstan shows the package.
Because of this issue Im unable to run this bear.
Attaching Screenshots for reference

whereis is different from which, as it tries to find the given binary not only in the PATH. Though still it's weird that which can't find it. Do you use maybe the docker alias? That's why which may not find it^^

EDIT: Shouldn't be the problem, which then displays that it's an alias...

On the docker image of phpstan I've a valid path:

 mak  ~  docker run -i --entrypoint sh phpstan/phpstan:0.6 
which phpstan
/composer/vendor/bin/phpstan

@Makman2 by following those above commands even i have valid path.But its strange
i have added this alias to ~/.bashrc
alias phpstan='docker run -v $PWD:/app --rm phpstan/phpstan:0.6'
still its not having valid path while invoking which in my CLI.Any thoughts ?

This is what I get:

 mak  ~  which phpstan
alias phpstan='docker run -v $PWD:/app --rm phpstan/phpstan:0.6'
	/usr/bin/docker

What shell do you use? maybe your shell does not display aliases with which^^

@Makman2 Im using bash which is default shell for ubuntu.My setup is Ubuntu 16.04 LTS.Any Thoughts?Im stuck at this point.Cant go any further if the bear doesnt detect phpstan installation.

Try to write the bear using executable=phpstan, and let's see how we get it to work and how we can install phpstan on CI. I'll try it then too on my machine 👍

@Makman2 I have already written it! But im unable to test it cause coala is not able to detect the installation of phpstan.Here http://pastebin.com/eiqZJA5N
now while running

coala --bear-dirs=. --bears=PhpstanBear --files=hello.php --flush-cache

gives

[ERROR][03:43:52] The bear PhpstanBear does not fulfill all requirements. 'phpstan' is not installed.

ah wait I know... you can't use .bashrc as this is the bash shell environment, not your system environment! :D
@linter directly executes a program without shell, so it relies on the system defaults and paths. Maybe this link helps: http://unix.stackexchange.com/questions/26047/how-to-correctly-add-a-path-to-path

@Makman2 Worked like a magic!! your magic is strong 😉
which doesn't takes care of ~/while in PATH.whereas bash takes care of it while invoking for running a program.
so added
export PATH="$HOME/.config/composer/vendor/bin/:$PATH" to ~/.bashrc file
now

which phpstan
/home/damngamerz/.config/composer/vendor/bin//phpstan

and my linter works perfectly.yay!

Thanks!!
I will make a PR soon 👍