Parcelas Moip.

parcelas.php

<?php
   /**
     * Method addParcel()
     *
     * Allows to add a order to parceling.
     *
     * @param int $min The minimum number of parcels.
     * @param int $max The maximum number of parcels.
     * @param float $rate The percentual value of rates
     * @param boolean $transfer "true" defines the amount of interest charged by MoIP installment to be paid by the payer
     * @return Moip
     * @access public
     */
    public function addParcel($min, $max, $rate=null, $transfer=false) {
        if (!isset($this->xml->InstrucaoUnica->Parcelamentos)) {
            $this->xml->InstrucaoUnica->addChild('Parcelamentos');
        }

        $parcela = $this->xml->InstrucaoUnica->Parcelamentos->addChild('Parcelamento');
        if (is_numeric($min) && $min <= 12)
            $parcela->addChild('MinimoParcelas', $min);
        else
            $this->setError('Error: Minimum parcel can not be greater than 12.');

        if (is_numeric($max) && $max <= 12)
            $parcela->addChild('MaximoParcelas', $max);
        else
            $this->setError('Error: Maximum amount can not be greater than 12.');

        $parcela->addChild('Recebimento', 'AVista');

        if ($transfer === false) {
            if (isset($rate)) {
                if (is_numeric($rate))
                    $parcela->addChild('Juros', $rate);
                else
                    $this->setError('Error: Rate must be numeric');
            }
        }else {
            if (is_bool($transfer))
                $parcela->addChild('Repassar', $transfer);
            else
                $this->setError('Error: Transfer must be boolean');
        }

        return $this;
    }