Core Function Truncate

Truncate( <expression> )

Description

Calculates the integral part of a specified decimal number.

Parameters

expression

Any valid numeric expression.

Return Value

The integral part of expression; that is, the number that remains after any fractional digits have been discarded.

Remarks

Floor() rounds down

Ceiling() rounds up

and Truncate() rounds towards zero.

Thus, Truncate() is like Floor() for positive numbers, and like Ceiling() for negative numbers.

Example

$decimalNumber = 32.7865;
// Displays 32
Println(Truncate($decimalNumber));
 
$decimalNumber = -32.9012;
// Displays -32         
Println(Truncate($decimalNumber));