function readfile (filename, use_include_path, context) {
  // http://kevin.vanzonneveld.net
  // +   original by: Brett Zamir (http://brett-zamir.me)
  // -    depends on: echo
  // *     example 1: readfile('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm');
  // *     returns 1: '123'

  var read_data = this.file_get_contents(filename, use_include_path, context); // bitwise-or use_include_path?
  this.echo(read_data);
  return read_data;
}

readfile('http://kevin.vanzonneveld.net/pj_test_supportfile_1.htm');

'123'