First of all they take a written test of core php question along with javascript , css and sql . The question paper level goes from easy to medium. It around approx 25-30 question which you will be finished in 1.30 hr max time allloted. if you clear that round then again test will be conducted in this only core php question they asked around 15-20. If you clear this round then next round is of core php technical interview where they immediately asked next question unless you previous question not completed yet. they do not even think for the answer they immediately said you do not know anything . They want every answer in detail