How can Pug files be compiled into php?

Question

Pug

Actually a subject.
I use gulp to build. How can I get the output php file, not html?

Answer 1

gulp.src( '*.pug' )
  .pipe( pug() )
  .pipe( gulp.dest(function(file) {

    file.basename = file.basename.split('.')[0] + '.php';

    return 'app/build';

  })
);