Pages::calculate($formula[,$decimals])

Calculate given formula for all pages with Page::calculate() and return the goal sum.

Calculate given formula and return result. Fieldnames are replaced with fields Field::getNumber() -value.

Return value

Float

Arguments

$formula

Calculation where field names are replaced with field values.

Subfield values can be referenced by: field.subfield.

Subrow sums can be referenced by: [fieldname: subfield]

$decimals

Number of decimals in return value

Default: 2

Example

Count sum of total VAT of every order row:

$totalVat = $this->get('page','order',$id)->order_rows->calculate('amount*product.price*0.24');