Creditcard.php

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<?php
namespace Depage\HtmlForm\Elements;
 
class Creditcard extends Fieldset
{
    protected $labelNumber;
 
    protected $labelCheck;
 
    protected $labelExpirationDate;
 
    protected $labelOwner;
 
    protected $cardtypes;
    protected function setDefaults()
    {
        parent::setDefaults();
 
        $this->defaults['required']             = false;
        $this->defaults['labelNumber']          = "Creditcard Number";
        $this->defaults['labelCheck']           = "CVV/CVC";
        $this->defaults['labelExpirationDate']  = "Expiration Date MM/YY";
        $this->defaults['labelOwner']           = "Card Owner";
        $this->defaults['cardtypes']            = array(
            "visa",
            "americanexpress",
            "mastercard",
        );
    }
 
    public function addChildElements()
    {
        parent::addChildElements();
 
        $cardnames = array(
            'visa' => "Visa",
            'americanexpress' => "American Express",
            'mastercard' => "MasterCard",
        );
        $options = array();
        foreach ($this->cardtypes as $card) {
            if (isset($cardnames[$card])) {
                $options[$card] = $cardnames[$card];
            }
        }
 
        $this->addSingle($this->name . "_card_type", array(
            'label' => "",
            'list' => $options,
            'skin' => 'select',
        ));
        $this->addText($this->name . "_card_number", array(
            'label' => $this->labelNumber,
            'required' => $this->required,
            'validator' => "/^(?:\d[ -]*?){13,16}$/",
        ));
        $this->addText($this->name . "_card_numbercheck", array(
            'label' => $this->labelCheck,
            'required' => $this->required,
            'validator' => "/^\d{3,4}$/",
        ));
        $this->addText($this->name . "_card_expirydate", array(
            'label' => $this->labelExpirationDate,
            'required' => $this->required,
            'validator' => "/^\d{2}\/\d{2}$/",
        ));
        $this->addText($this->name . "_card_owner", array(
            'label' => $this->labelOwner,
            'required' => $this->required,
        ));
    }
 
    public function validate()
    {
        return parent::validate();
    }
}
 
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