What is the salary of PHP WEB programmers?

As a general small website, the salary is 3K-6K, the project is simple, and the income is not very high;

Do half of the large-scale websites, such as forums and e-commerce, above 5k;

Developing a universal system will definitely be higher;

In a word, as far as personal ability is concerned, the ability is strong, the project is valuable and the income is high, and vice versa. . .