value; } function setValue($value){ $this->value = floatval($value); } function getInvoiceNumber() { return $this->invoiceNumber; } function setInvoiceNumber($invoiceNumber) { $this->invoiceNumber = $invoiceNumber; } function getCurrency() { return $this->currency; } function setCurrency($currency) { $this->currency = $currency; } public function getRecurrentAprovalButton() { } public function getRecurrentAprovalButtonV2($total = '1.00', $currency = "USD", $frequency = "Month", $interval = 1, $name = '', $json = '', $trialDays = 0) { } }