Math
PHP can be used to perform common math operations.
Addition uses the + operator
echo 5 + 6;
Output: 11
Subtraction uses the - operator
echo 76 - 6;
Output: 70
Multiplication uses the * operator
echo 7 * 8;
Output: 56
Division uses the / operator
echo 25 / 5;
Output: 5
The modulo operator % finds the integer division remainder
echo 17 % 3;
Output: 2
