Get number from N

I'm trying to find the shortest and best way to achieve the following:

Given input integer $N, get the following output:

• n = 0, output = 0

• n = 1, output = 0

• n = 2, output = 10

• n = 3, output = 100

• n = 4, output = 1000

• n = 5, output = 10000

I do this with the following code, but there must be a better option to do this.

The pow function is probably what you are looking for.

return pow(10, $n-1); should be close to what you want but might need tweeking for borderline cases.

StackExchange Code Review Q#123867, answer score: 5