How to cut decimal number like this using php?

Question

How to cut decimal number like this using php ?

1.20 cut decimal number to 1.2

1.00 cut decimal number to 1

1.02 do not cut decimal number

I tried using round , ceil , floor but not work

How can i do that ?

Answer 1

You can use floatval as

echo floatval('1.20');// 1.2

echo floatval('1.00');// 1

echo floatval('1.02');//1.02

Fiddle