How to check coding style by PHP CodeSniffer

1. Install phpcs by cloning from git repository:

git clone git://github.com/squizlabs/PHP_CodeSniffer.git

1. Make symbolic link to phpcs:

cd PHP_CodeSiniffer
ln -s "$(pwd)/scripts/phpcs" ~/bin/phpcs

1. Now, try dumping help messages:

phpcs -h

1. Sniff codes:

phpcs --standard=PSR2 /path/to/codes

Then, you will see warnings for about violating conding starnd PSR2 :)

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Visit Qiita and Kobito - Great Duet to manage your knowledge. ;)