这样一段的python如何转换成php

def getVMS(tvid, vid):
    t = int(time.time() * 1000)
    key = 'd5fb4bd9d50c4be6948c97edd7254b0e'
    sc = hashlib.new('md5', bytes(str(t) + key  + vid, 'utf-8')).hexdigest()
    return sc