<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Util;

/**
 * Array collection
 *
 * Provides a wrapper around a standard PHP array.
 *
 * @internal
 *
 * @phpstan-template T
 * @phpstan-implements \IteratorAggregate<int, T>
 * @phpstan-implements \ArrayAccess<int, T>
 */
final class ArrayCollection implements \IteratorAggregate, \Countable, \ArrayAccess
{
    /**
     * @var array<int, mixed>
     * @phpstan-var array<int, T>
     */
    private array $elements;

    /**
     * Constructor
     *
     * @param array<int|string, mixed> $elements
     *
     * @phpstan-param array<int, T> $elements
     */
    public function __construct(array $elements = [])
    {
        $this->elements = $elements;
    }

    /**
     * @return mixed|false
     *
     * @phpstan-return T|false
     */
    public function first()
    {
        return \reset($this->elements);
    }

    /**
     * @return mixed|false
     *
     * @phpstan-return T|false
     */
    public function last()
    {
        return \end($this->elements);
    }

    /**
     * Retrieve an external iterator
     *
     * @return \ArrayIterator<int, mixed>
     *
     * @phpstan-return \ArrayIterator<int, T>
     */
    #[\ReturnTypeWillChange]
    public function getIterator(): \ArrayIterator
    {
        return new \ArrayIterator($this->elements);
    }

    /**
     * Count elements of an object
     *
     * @return int The count as an integer.
     */
    public function count(): int
    {
        return \count($this->elements);
    }

    /**
     * Whether an offset exists
     *
     * {@inheritDoc}
     *
     * @phpstan-param int $offset
     */
    public function offsetExists($offset): bool
    {
        return \array_key_exists($offset, $this->elements);
    }

    /**
     * Offset to retrieve
     *
     * {@inheritDoc}
     *
     * @phpstan-param int $offset
     *
     * @phpstan-return T|null
     */
    #[\ReturnTypeWillChange]
    public function offsetGet($offset)
    {
        return $this->elements[$offset] ?? null;
    }

    /**
     * Offset to set
     *
     * {@inheritDoc}
     *
     * @phpstan-param int|null $offset
     * @phpstan-param T        $value
     */
    #[\ReturnTypeWillChange]
    public function offsetSet($offset, $value): void
    {
        if ($offset === null) {
            $this->elements[] = $value;
        } else {
            $this->elements[$offset] = $value;
        }
    }

    /**
     * Offset to unset
     *
     * {@inheritDoc}
     *
     * @phpstan-param int $offset
     */
    #[\ReturnTypeWillChange]
    public function offsetUnset($offset): void
    {
        if (! \array_key_exists($offset, $this->elements)) {
            return;
        }

        unset($this->elements[$offset]);
    }

    /**
     * Returns a subset of the array
     *
     * @return array<int, mixed>
     *
     * @phpstan-return array<int, T>
     */
    public function slice(int $offset, ?int $length = null): array
    {
        return \array_slice($this->elements, $offset, $length, true);
    }

    /**
     * @return array<int, mixed>
     *
     * @phpstan-return array<int, T>
     */
    public function toArray(): array
    {
        return $this->elements;
    }
}

• [F] ArrayCollection.php
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• [F] Html5EntityDecoder.php
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• [F] HtmlElement.php
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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}