Find PHP Files With The Wrong Namespace

# List all files with the wrong nameapace.
list_php_files_with_wrong_namespace() {
    git ls-files --cached --modified '*.php' | while read PHP_FILE ; do
        local EXPECTED_NAMESPACE="$(
            echo "$PHP_FILE" | \
            sed -e 's/^src\///' -e 's/\//\\/g' -e 's/\.php$//' | \
            rev | cut -d'\' -f2- | rev
        )"

        local NAMESPACE="$(grep '^namespace ' "$PHP_FILE" | cut -d' ' -f2 | sed -e 's/;$//')"

        if [[ "$NAMESPACE" != "$EXPECTED_NAMESPACE" ]] ; then
            echo "$PHP_FILE"
            echo "- Actual Namespace: $NAMESPACE"
            echo "- Expected Namespace: $EXPECTED_NAMESPACE"
            echo "\n"
        fi
    done
}