Run a php lint check on all php files which are to be committed

pre-commit-php-compile.sh

#!/bin/bash

if git rev-parse --verify HEAD >/dev/null 2>&1
then
        against=HEAD
else
        exit 0
fi

set -e
IFS="\n" \
git diff --name-only HEAD | \
while read fn; do
        if [[ "$fn" == *".php" ]]; then
                if [ -f "$fn" ]; then
                        php -l "$fn"
                fi
        fi
done