What is the valid way to start a PHP function?

Select one:

a. function test{}

b. function test[]

c. def function test{}

d. function test()

What function can you use to get the position of a string or character inside a string?

Select one:

a. string_position()

b. length()

c. len()

d. strrpos()

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PHP variables are weekly typed, which means that:

Select one:

a. you cant store data in them for a long time

b. you do not have to define their type before you initialize them

c. strongly typed languages like Java are better

d. strongly typed languages do not require variable definitions

What character concatenates strings in PHP? a. b. c. d.RIGHT

Select one:

a. ;

b. &

c. *

d. .