Question:
(a) (i) Name four features of PHP that makes it an appropriate choice as a Web programming language.
(ii) List advantages while using PHP scripting language.
(b) Consider the following hyperlink:
< a href="welcome2.php?firstname=Kev&lastname=Yan" > Hi, I'm Kev Yan!
< /a>
Write down PHP extract codes that will retrieve and write the values of the query string parameters in a Web Page.
(c) Explain each of the following string functions. Illustrate your answer with simple examples.
(i) explode()
(ii) str_repeat()
(iii) str_replace().
(d) Write a switch statement that adds, subtracts, multiplies and divides variable x using the action variable.