Addition, Subtraction, String Concatenation
 |
The order in which items appear in this table is arbitrary. All operators have equal precedence in ACL.
|
|
+
|
$n + $m evaluates to the sum of $n added to $m.
|
|
-
|
$i - 2 evaluates to the value of $i less 2.
|
|
.
|
"ch1" . ".xml" evaluates to “ch1.xml”.
|
The following operators are numeric and require numeric operands:
+, -, *, /, &, ^, |, <<, >>, %, ~, ++, and ––
Related Topics
• Operands
Parent topic