Unfortunately, there are only 2 PHP jobs in Hongkong on Jobspotting at the moment. Maybe, you could try slightly farther afield. The most common categories in this field are at the moment Blog Software and Content Management Systems. Read up on fields of expertise like WordPress, Web Development, and Drupal to arm yourself with the right knowledge for these job opportunities.
Companies are only looking for experienced PHP job seekers at this time. At the top of the page, you can see a map of offices in the region.