如何将数组元素扩展为函数的单独参数

I have an array of colors having dynamic values which depends on database. now these values are required in a function which takes values only like this function('para1','para2','para3','para4') where param1 to param4 are color values in an array. Problem is how can i parse these values to that function in the above stated format.Only a programminng logic required.Language is php.I have an array of colors having dynamic values