It seems that at the present moment there aren't very many PHP job offers in Singapore. Why not have a look at vacancies in similar topics? Jobs in the subcategories Web Development and Frontend Development are at the present moment the most common. Aspiring pros interested in these positions should familiarise themselves with topics like Web Development, MySQL and WordPress.
A significant proportion of jobs (22%), is available to junior staff with little or no previous job experience. Take note that there are at the present moment no internship positions on offer in this area. Have you seen the number of employers recruiting locally? These insights can help your job search!