Stuff

function is_empty( $value )
{
  // If the value is specifically a 0, it isn't empty
  if ( is_zero($value) ) {
    return false;
  }

  // If the value is "" or null then it is empty
  return empty($value);
}


if (empty($this->m_pbxAdminSXE->site)) {
  we get here
}

if ( is_empty($this->m_pbxAdminSXE->site) ) {
  we don't get here
}