<?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;
            }
        }
    }
}

• [D] Calculation
• [D] Cell
• [D] Chart
• [D] Collection
• [D] Document
• [D] Helper
• [D] Reader
• [D] RichText
• [D] Shared
• [D] Style
• [D] Worksheet
• [D] Writer
• [F] CellReferenceHelper.php
  Delete
• [F] Comment.php
  Delete
• [F] DefinedName.php
  Delete
• [F] Exception.php
  Delete
• [F] HashTable.php
  Delete
• [F] IComparable.php
  Delete
• [F] IOFactory.php
  Delete
• [F] NamedFormula.php
  Delete
• [F] NamedRange.php
  Delete
• [F] ReferenceHelper.php
  Delete
• [F] Settings.php
  Delete
• [F] Spreadsheet.php
  Delete
• [F] Theme.php
  Delete

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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"
                        
}