Chapter 10. Operators

Table of Contents
Arithmetic Operators
Assignment Operators
Bitwise Operators
Comparison Operators
Execution Operators
Incrementing/Decrementing Operators
Logical Operators
Operator Precedence
String Operators

Arithmetic Operators

Remember basic arithmetic from school? These work just like those.

Table 10-1. Arithmetic Operators

$a + $bAdditionSum of $a and $b.
$a - $bSubtractionDifference of $a and $b.
$a * $bMultiplicationProduct of $a and $b.
$a / $bDivisionQuotient of $a and $b.
$a % $bModulusRemainder of $a divided by $b.