Operator Example Meaning
+= $a += 3; Add
-= $a -= 3; Subtract
*= $a *= 3; Multiply
/= $a /= 3; Divide
**= $a **= 3; Raise the power
%= $a %= 3; Modulo
.= $a .= "String Value"; Append
x= $a x= 3; Multiply (replicate) the expression (string)
&= $a &= 3; Binary AND
|= $a |= 3; Binary OR
^= $a ^= 3; Exclusive OR
<<= $a <<= 3; Left shift
>>= $a >>= 3; Right shift
&&= $a &&= 1; Logical AND
||= $a ||= 0; Logical OR