<?php
declare(strict_types=1);
namespace Dotenv\Repository\Adapter;
final class ImmutableWriter implements WriterInterface
{
/**
* The inner writer to use.
*
* @var \Dotenv\Repository\Adapter\WriterInterface
*/
private $writer;
/**
* The inner reader to use.
*
* @var \Dotenv\Repository\Adapter\ReaderInterface
*/
private $reader;
/**
* The record of loaded variables.
*
* @var array<string,string>
*/
private $loaded;
/**
* Create a new immutable writer instance.
*
* @param \Dotenv\Repository\Adapter\WriterInterface $writer
* @param \Dotenv\Repository\Adapter\ReaderInterface $reader
*
* @return void
*/
public function __construct(WriterInterface $writer, ReaderInterface $reader)
{
$this->writer = $writer;
$this->reader = $reader;
$this->loaded = [];
}
/**
* Write to an environment variable, if possible.
*
* @param non-empty-string $name
* @param string $value
*
* @return bool
*/
public function write(string $name, string $value)
{
// Don't overwrite existing environment variables
// Ruby's dotenv does this with `ENV[key] ||= value`
if ($this->isExternallyDefined($name)) {
return false;
}
// Set the value on the inner writer
if (!$this->writer->write($name, $value)) {
return false;
}
// Record that we have loaded the variable
$this->loaded[$name] = '';
return true;
}
/**
* Delete an environment variable, if possible.
*
* @param non-empty-string $name
*
* @return bool
*/
public function delete(string $name)
{
// Don't clear existing environment variables
if ($this->isExternallyDefined($name)) {
return false;
}
// Clear the value on the inner writer
if (!$this->writer->delete($name)) {
return false;
}
// Leave the variable as fair game
unset($this->loaded[$name]);
return true;
}
/**
* Determine if the given variable is externally defined.
*
* That is, is it an "existing" variable.
*
* @param non-empty-string $name
*
* @return bool
*/
private function isExternallyDefined(string $name)
{
return $this->reader->read($name)->isDefined() && !isset($this->loaded[$name]);
}
}
At NFC Pay, we strive to provide a seamless and satisfactory experience with our services. This Refund Policy outlines the circumstances under which refunds may be issued for transactions made through our platform. Please read this policy carefully to understand your rights regarding refunds.
1. Eligibility for Refunds
Refunds may be considered under the following circumstances:
2. Non-Refundable Situations
Refunds will generally not be issued in the following situations:
3. Refund Process
To request a refund, please follow these steps:
4. Refund Exceptions
Certain transactions may be subject to specific terms and conditions, including non-refundable fees or charges. Please review the terms associated with each transaction carefully, as some fees may not be eligible for refunds.
5. Modifications to the Refund Policy
NFC Pay reserves the right to modify this Refund Policy at any time. Changes will be communicated through updates on our website and app, and the effective date will be updated accordingly. We encourage you to review this policy periodically to stay informed about our refund practices.
By using NFC Pay, you agree to this Refund Policy and understand the terms under which refunds may be issued. Our goal is to ensure a fair and transparent refund process, providing you with confidence and peace of mind when using our services.