<?php

namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;

use PhpOffice\PhpSpreadsheet\Document\Properties as DocumentProperties;
use PhpOffice\PhpSpreadsheet\Reader\Security\XmlScanner;
use PhpOffice\PhpSpreadsheet\Settings;
use SimpleXMLElement;

class Properties
{
    /** @var XmlScanner */
    private $securityScanner;

    /** @var DocumentProperties */
    private $docProps;

    public function __construct(XmlScanner $securityScanner, DocumentProperties $docProps)
    {
        $this->securityScanner = $securityScanner;
        $this->docProps = $docProps;
    }

    /**
     * @param mixed $obj
     */
    private static function nullOrSimple($obj): ?SimpleXMLElement
    {
        return ($obj instanceof SimpleXMLElement) ? $obj : null;
    }

    private function extractPropertyData(string $propertyData): ?SimpleXMLElement
    {
        // okay to omit namespace because everything will be processed by xpath
        $obj = simplexml_load_string(
            $this->securityScanner->scan($propertyData),
            'SimpleXMLElement',
            Settings::getLibXmlLoaderOptions()
        );

        return self::nullOrSimple($obj);
    }

    public function readCoreProperties(string $propertyData): void
    {
        $xmlCore = $this->extractPropertyData($propertyData);

        if (is_object($xmlCore)) {
            $xmlCore->registerXPathNamespace('dc', Namespaces::DC_ELEMENTS);
            $xmlCore->registerXPathNamespace('dcterms', Namespaces::DC_TERMS);
            $xmlCore->registerXPathNamespace('cp', Namespaces::CORE_PROPERTIES2);

            $this->docProps->setCreator((string) self::getArrayItem($xmlCore->xpath('dc:creator')));
            $this->docProps->setLastModifiedBy((string) self::getArrayItem($xmlCore->xpath('cp:lastModifiedBy')));
            $this->docProps->setCreated((string) self::getArrayItem($xmlCore->xpath('dcterms:created'))); //! respect xsi:type
            $this->docProps->setModified((string) self::getArrayItem($xmlCore->xpath('dcterms:modified'))); //! respect xsi:type
            $this->docProps->setTitle((string) self::getArrayItem($xmlCore->xpath('dc:title')));
            $this->docProps->setDescription((string) self::getArrayItem($xmlCore->xpath('dc:description')));
            $this->docProps->setSubject((string) self::getArrayItem($xmlCore->xpath('dc:subject')));
            $this->docProps->setKeywords((string) self::getArrayItem($xmlCore->xpath('cp:keywords')));
            $this->docProps->setCategory((string) self::getArrayItem($xmlCore->xpath('cp:category')));
        }
    }

    public function readExtendedProperties(string $propertyData): void
    {
        $xmlCore = $this->extractPropertyData($propertyData);

        if (is_object($xmlCore)) {
            if (isset($xmlCore->Company)) {
                $this->docProps->setCompany((string) $xmlCore->Company);
            }
            if (isset($xmlCore->Manager)) {
                $this->docProps->setManager((string) $xmlCore->Manager);
            }
            if (isset($xmlCore->HyperlinkBase)) {
                $this->docProps->setHyperlinkBase((string) $xmlCore->HyperlinkBase);
            }
        }
    }

    public function readCustomProperties(string $propertyData): void
    {
        $xmlCore = $this->extractPropertyData($propertyData);

        if (is_object($xmlCore)) {
            foreach ($xmlCore as $xmlProperty) {
                /** @var SimpleXMLElement $xmlProperty */
                $cellDataOfficeAttributes = $xmlProperty->attributes();
                if (isset($cellDataOfficeAttributes['name'])) {
                    $propertyName = (string) $cellDataOfficeAttributes['name'];
                    $cellDataOfficeChildren = $xmlProperty->children('http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');

                    $attributeType = $cellDataOfficeChildren->getName();
                    $attributeValue = (string) $cellDataOfficeChildren->{$attributeType};
                    $attributeValue = DocumentProperties::convertProperty($attributeValue, $attributeType);
                    $attributeType = DocumentProperties::convertPropertyType($attributeType);
                    $this->docProps->setCustomProperty($propertyName, $attributeValue, $attributeType);
                }
            }
        }
    }

    /**
     * @param null|array|false $array
     * @param mixed $key
     */
    private static function getArrayItem($array, $key = 0): ?SimpleXMLElement
    {
        return is_array($array) ? ($array[$key] ?? null) : null;
    }
}

• [F] AutoFilter.php
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• [F] BaseParserClass.php
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• [F] Chart.php
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• [F] ColumnAndRowAttributes.php
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• [F] ConditionalStyles.php
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• [F] DataValidations.php
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• [F] Hyperlinks.php
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• [F] Namespaces.php
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• [F] PageSetup.php
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• [F] Properties.php
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• [F] SharedFormula.php
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• [F] SheetViewOptions.php
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• [F] SheetViews.php
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• [F] Styles.php
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• [F] TableReader.php
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• [F] Theme.php
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• [F] WorkbookView.php
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About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
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• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
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FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

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Is my payment information secure?

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Can I add multiple cards to my NFC Pay wallet?

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How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

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How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

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