<?php
namespace PhpOffice\PhpSpreadsheet;
/**
* @template T of IComparable
*/
class HashTable
{
/**
* HashTable elements.
*
* @var array<string, T>
*/
protected $items = [];
/**
* HashTable key map.
*
* @var array<int, string>
*/
protected $keyMap = [];
/**
* Create a new HashTable.
*
* @param T[] $source Optional source array to create HashTable from
*/
public function __construct($source = null)
{
if ($source !== null) {
// Create HashTable
$this->addFromSource($source);
}
}
/**
* Add HashTable items from source.
*
* @param T[] $source Source array to create HashTable from
*/
public function addFromSource(?array $source = null): void
{
// Check if an array was passed
if ($source === null) {
return;
}
foreach ($source as $item) {
$this->add($item);
}
}
/**
* Add HashTable item.
*
* @param T $source Item to add
*/
public function add(IComparable $source): void
{
$hash = $source->getHashCode();
if (!isset($this->items[$hash])) {
$this->items[$hash] = $source;
$this->keyMap[count($this->items) - 1] = $hash;
}
}
/**
* Remove HashTable item.
*
* @param T $source Item to remove
*/
public function remove(IComparable $source): void
{
$hash = $source->getHashCode();
if (isset($this->items[$hash])) {
unset($this->items[$hash]);
$deleteKey = -1;
foreach ($this->keyMap as $key => $value) {
if ($deleteKey >= 0) {
$this->keyMap[$key - 1] = $value;
}
if ($value == $hash) {
$deleteKey = $key;
}
}
unset($this->keyMap[count($this->keyMap) - 1]);
}
}
/**
* Clear HashTable.
*/
public function clear(): void
{
$this->items = [];
$this->keyMap = [];
}
/**
* Count.
*
* @return int
*/
public function count()
{
return count($this->items);
}
/**
* Get index for hash code.
*
* @return false|int Index
*/
public function getIndexForHashCode(string $hashCode)
{
// Scrutinizer thinks the following could return string. It is wrong.
return array_search($hashCode, $this->keyMap, true);
}
/**
* Get by index.
*
* @return null|T
*/
public function getByIndex(int $index)
{
if (isset($this->keyMap[$index])) {
return $this->getByHashCode($this->keyMap[$index]);
}
return null;
}
/**
* Get by hashcode.
*
* @return null|T
*/
public function getByHashCode(string $hashCode)
{
if (isset($this->items[$hashCode])) {
return $this->items[$hashCode];
}
return null;
}
/**
* HashTable to array.
*
* @return T[]
*/
public function toArray()
{
return $this->items;
}
/**
* Implement PHP __clone to create a deep clone, not just a shallow copy.
*/
public function __clone()
{
$vars = get_object_vars($this);
foreach ($vars as $key => $value) {
// each member of this class is an array
if (is_array($value)) {
$array1 = $value;
foreach ($array1 as $key1 => $value1) {
if (is_object($value1)) {
$array1[$key1] = clone $value1;
}
}
$this->$key = $array1;
}
}
}
}
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.