In php, how echo(2**5); has 32 as its output ? Someone can explain .?

Answer 1

2 * 2 * 2 * 2 * 2 gives 32, it's like pow(2, 5);

Answer 2

'**' is the power operator. So 2**5 is 2 to the power of 5 or 2*2*2*2*2 = 32.