Installation #

The easiest way to get started with PHP_CodeSniffer is to download the Phar files for each of the commands:

# Download using curl
curl -OL https://squizlabs.github.io/PHP_CodeSniffer/phpcs.phar
curl -OL https://squizlabs.github.io/PHP_CodeSniffer/phpcbf.phar

# Or download using wget
wget https://squizlabs.github.io/PHP_CodeSniffer/phpcs.phar
wget https://squizlabs.github.io/PHP_CodeSniffer/phpcbf.phar

# Then test the downloaded PHARs
php phpcs.phar -h
php phpcbf.phar -h

Composer #

If you use Composer, you can install PHP_CodeSniffer system-wide with the following command:

composer global require "squizlabs/php_codesniffer=*"

Make sure you have the composer bin dir in your PATH. The default value is ~/.composer/vendor/bin/, but you can check the value that you need to use by running composer global config bin-dir --absolute.

Or alternatively, include a dependency for squizlabs/php_codesniffer in your composer.json file. For example:

{
  "require-dev": {
    "squizlabs/php_codesniffer": "3.*"
  }
}

You will then be able to run PHP_CodeSniffer from the vendor bin directory:

./vendor/bin/phpcs -h
./vendor/bin/phpcbf -h

Phive #

If you use Phive, you can install PHP_CodeSniffer as a project tool using the following commands:

phive install phpcs
phive install phpcbf

You will then be able to run PHP_CodeSniffer from the tools directory:

./tools/phpcs -h
./tools/phpcbf -h

PEAR #

If you use PEAR, you can install PHP_CodeSniffer using the PEAR installer. This will make the phpcs and phpcbf commands immediately available for use. To install PHP_CodeSniffer using the PEAR installer, first ensure you have installed PEAR and then run the following command:

pear install PHP_CodeSniffer

Git Clone #

You can also download the PHP_CodeSniffer source and run the phpcs and phpcbf commands directly from the Git clone:

git clone https://github.com/squizlabs/PHP_CodeSniffer.git
cd PHP_CodeSniffer
php bin/phpcs -h
php bin/phpcbf -h