<?php

/**
 * Performs safe variable parsing based on types which can be used by
 * users. This may not be able to represent all possible data inputs,
 * however.
 */
class HTMLPurifier_VarParser_Flexible extends HTMLPurifier_VarParser
{
    /**
     * @param mixed $var
     * @param int $type
     * @param bool $allow_null
     * @return array|bool|float|int|mixed|null|string
     * @throws HTMLPurifier_VarParserException
     */
    protected function parseImplementation($var, $type, $allow_null)
    {
        if ($allow_null && $var === null) {
            return null;
        }
        switch ($type) {
            // Note: if code "breaks" from the switch, it triggers a generic
            // exception to be thrown. Specific errors can be specifically
            // done here.
            case self::C_MIXED:
            case self::ISTRING:
            case self::C_STRING:
            case self::TEXT:
            case self::ITEXT:
                return $var;
            case self::C_INT:
                if (is_string($var) && ctype_digit($var)) {
                    $var = (int)$var;
                }
                return $var;
            case self::C_FLOAT:
                if ((is_string($var) && is_numeric($var)) || is_int($var)) {
                    $var = (float)$var;
                }
                return $var;
            case self::C_BOOL:
                if (is_int($var) && ($var === 0 || $var === 1)) {
                    $var = (bool)$var;
                } elseif (is_string($var)) {
                    if ($var == 'on' || $var == 'true' || $var == '1') {
                        $var = true;
                    } elseif ($var == 'off' || $var == 'false' || $var == '0') {
                        $var = false;
                    } else {
                        throw new HTMLPurifier_VarParserException("Unrecognized value '$var' for $type");
                    }
                }
                return $var;
            case self::ALIST:
            case self::HASH:
            case self::LOOKUP:
                if (is_string($var)) {
                    // special case: technically, this is an array with
                    // a single empty string item, but having an empty
                    // array is more intuitive
                    if ($var == '') {
                        return array();
                    }
                    if (strpos($var, "\n") === false && strpos($var, "\r") === false) {
                        // simplistic string to array method that only works
                        // for simple lists of tag names or alphanumeric characters
                        $var = explode(',', $var);
                    } else {
                        $var = preg_split('/(,|[\n\r]+)/', $var);
                    }
                    // remove spaces
                    foreach ($var as $i => $j) {
                        $var[$i] = trim($j);
                    }
                    if ($type === self::HASH) {
                        // key:value,key2:value2
                        $nvar = array();
                        foreach ($var as $keypair) {
                            $c = explode(':', $keypair, 2);
                            if (!isset($c[1])) {
                                continue;
                            }
                            $nvar[trim($c[0])] = trim($c[1]);
                        }
                        $var = $nvar;
                    }
                }
                if (!is_array($var)) {
                    break;
                }
                $keys = array_keys($var);
                if ($keys === array_keys($keys)) {
                    if ($type == self::ALIST) {
                        return $var;
                    } elseif ($type == self::LOOKUP) {
                        $new = array();
                        foreach ($var as $key) {
                            $new[$key] = true;
                        }
                        return $new;
                    } else {
                        break;
                    }
                }
                if ($type === self::ALIST) {
                    trigger_error("Array list did not have consecutive integer indexes", E_USER_WARNING);
                    return array_values($var);
                }
                if ($type === self::LOOKUP) {
                    foreach ($var as $key => $value) {
                        if ($value !== true) {
                            trigger_error(
                                "Lookup array has non-true value at key '$key'; " .
                                "maybe your input array was not indexed numerically",
                                E_USER_WARNING
                            );
                        }
                        $var[$key] = true;
                    }
                }
                return $var;
            default:
                $this->errorInconsistent(__CLASS__, $type);
        }
        $this->errorGeneric($var, $type);
    }
}

// vim: et sw=4 sts=4

• [F] Flexible.php
  Delete
• [F] Native.php
  Delete

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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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?

Download the app and sign up using your email or phone number, then complete the verification process.

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.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

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?

Yes, you can view and track your payment status in the account dashboard