Expressions

Expressions are created using constants, variables, functions calls, and operators. The evaluation of an expression always results in a value.

Examples

Example 16

Numeric expression.

$value = Num($amount) – 1;

 

Example 17

String expression.

$fullName = $firstName + "-" + $surName;

 

Example 18

Boolean expression.

if (Num($cost) < 100)
{
   $value = Num($amount) – 1;
}