Question:

(a) What are the different types of Runtime Errors in PHP?

(b) What are the differences between GET and POST methods in form submission? Briefly explain in which case it is more appropriate to use either the GET or the POST method?

(c) Write appropriate PHP codes that allows you to create a web page that uses a cookie to keep track of how many times a user has viewed the page. The first time a particular user looks at the page, it should print something like "Number of views: 1." The second time the user looks at the page, it should print "Number of views: 2," and so on.

(d) Explain each of the following string functions. Support your answer with appropriate code snippets.

(i) str_replace()
(ii) explode()
(iii) implode()