PHP lint checker - pre commit hook

gistfile1.txt

#!/bin/bash
# Put this file in .git/hooks/pre-commit
# Change it to be executable!  If you don't do this, it won't work
# chmod +x .git/hooks/pre-commit

git diff-index --diff-filter=ACMR --name-only --cached HEAD |
        grep '.php$' |
        xargs -tn1 php -l

if (( $? )); then
        echo Upon commit, PHP lint check failed, you fool!
        exit 1
fi

#GREEN MEANS GO
echo -e PASSED