Integer types are simple, the contain the simple positive and negetive numbers and they can both assigned directly or bypassign an expression to a variable
Example:

yo can also assigne other integer bases instead of base 10 to a variable
for assigning base 8 just ad miness(-)behind the number base 8 or for base 16(hexadecimal) add “0X”followed by the number such the following

PHP supports the integer numbers in the range between 2^31-1 and -(2^31-1)

Related posts:

1. Assigning Variables in PHP
2. Understanding DataTypes in ActionScript 3
3. Variables default values in PHP
4. PHP Variables Basic
5. Natural Logarithms and Exponentials – Roots and Powers
6. Reassigning Variables in PHP
7. Declaring variables in ActionScript 3