Question

Which of the following is used for concatenation in PHP?

a) + (plus)

b) * (Asterisk)

c) . (dot)

d) append()

Answer 1

c) . (dot)

Description: In PHP, the . (dot) operator is used for concatenation. Suppose there are two variables $a and $b, so the statement $a . $b will concatenate both $a and $b.