Git pre-commit Hook for PHPCS standards ( copy and paste inside your project .git/hooks/pre-commit file). Please make sure pre-commit file should have permission to execute. And simply add this directory to your PATH in your ~/.bash_profile (or ~/.bashrc) like this: ` export PATH=~/.composer/vendor/bin:$PATH `

pre-commit

PROJECT=`php -r "echo dirname(dirname(dirname(realpath('$0'))));"`
STAGED_FILES_CMD=`git diff --cached --name-only --diff-filter=ACMR HEAD | grep \\\\.php`

# Determine if a file list is passed
if [ "$#" -eq 1 ]
then
	oIFS=$IFS
	IFS='
	'
	SFILES="$1"
	IFS=$oIFS
fi
SFILES=${SFILES:-$STAGED_FILES_CMD}

echo "Checking PHP Lint..."
for FILE in $SFILES
do
	php -l -d display_errors=0 $PROJECT/$FILE
	if [ $? != 0 ]
	then
		echo "Fix the error before commit."
		exit 1
	fi
	FILES="$FILES $PROJECT/$FILE"
done

if [ "$FILES" != "" ]
then
	echo "Running Code Sniffer..."
	phpcs --standard=PSR2,PSR1 --encoding=utf-8 -n -p $FILES
	if [ $? != 0 ]
	then
		echo "Coding standards errors have been detected. Running phpcbf..."
		phpcbf --standard=PSR2,PSR1 --encoding=utf-8 -n -p $FILES
		git add $FILES
		echo "Running Code Sniffer again..."
	  phpcs --standard=PSR2,PSR1 --encoding=utf-8 -n -p $FILES
		if [ $? != 0 ]
		then
			echo "Errors found not fixable automatically"
			exit 1
		fi
	fi
fi

exit $?

If you want to skip add --no-verify in commit message.

git commit --no-verify -m 'commit message'

Install PHPCS globally - composer global require "squizlabs/php_codesniffer=*"