Development Php

Specifier           Input type                   Output Format
b                   Integer                      Binary number
C                   Integer                      Single character
D                   Integer                      Signed decimal number
U                   Integer                      Unsigned decimal number
F                   Floating-point number        Floating-point number
O                   Integer                      Octal number
S                   String                       String
X                   Integer                      Hexadecimal number with lowercase letters
X                   Integer                      Hexadecimal number with uppercase letters