<?php

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 * (c) 2015 Martin Hasoň <martin.hason@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace League\CommonMark\Extension\Attributes\Util;

use League\CommonMark\Node\Node;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Util\RegexHelper;

/**
 * @internal
 */
final class AttributesHelper
{
    private const SINGLE_ATTRIBUTE = '\s*([.#][_a-z0-9-]+|' . RegexHelper::PARTIAL_ATTRIBUTENAME . RegexHelper::PARTIAL_ATTRIBUTEVALUESPEC . ')\s*';
    private const ATTRIBUTE_LIST   = '/^{:?(' . self::SINGLE_ATTRIBUTE . ')+}/i';

    /**
     * @return array<string, mixed>
     */
    public static function parseAttributes(Cursor $cursor): array
    {
        $state = $cursor->saveState();
        $cursor->advanceToNextNonSpaceOrNewline();

        // Quick check to see if we might have attributes
        if ($cursor->getCharacter() !== '{') {
            $cursor->restoreState($state);

            return [];
        }

        // Attempt to match the entire attribute list expression
        // While this is less performant than checking for '{' now and '}' later, it simplifies
        // matching individual attributes since they won't need to look ahead for the closing '}'
        // while dealing with the fact that attributes can technically contain curly braces.
        // So we'll just match the start and end braces up front.
        $attributeExpression = $cursor->match(self::ATTRIBUTE_LIST);
        if ($attributeExpression === null) {
            $cursor->restoreState($state);

            return [];
        }

        // Trim the leading '{' or '{:' and the trailing '}'
        $attributeExpression = \ltrim(\substr($attributeExpression, 1, -1), ':');
        $attributeCursor     = new Cursor($attributeExpression);

        /** @var array<string, mixed> $attributes */
        $attributes = [];
        while ($attribute = \trim((string) $attributeCursor->match('/^' . self::SINGLE_ATTRIBUTE . '/i'))) {
            if ($attribute[0] === '#') {
                $attributes['id'] = \substr($attribute, 1);

                continue;
            }

            if ($attribute[0] === '.') {
                $attributes['class'][] = \substr($attribute, 1);

                continue;
            }

            /** @psalm-suppress PossiblyUndefinedArrayOffset */
            [$name, $value] = \explode('=', $attribute, 2);

            $first = $value[0];
            $last  = \substr($value, -1);
            if (($first === '"' && $last === '"') || ($first === "'" && $last === "'") && \strlen($value) > 1) {
                $value = \substr($value, 1, -1);
            }

            if (\strtolower(\trim($name)) === 'class') {
                foreach (\array_filter(\explode(' ', \trim($value))) as $class) {
                    $attributes['class'][] = $class;
                }
            } else {
                $attributes[\trim($name)] = \trim($value);
            }
        }

        if (isset($attributes['class'])) {
            $attributes['class'] = \implode(' ', (array) $attributes['class']);
        }

        return $attributes;
    }

    /**
     * @param Node|array<string, mixed> $attributes1
     * @param Node|array<string, mixed> $attributes2
     *
     * @return array<string, mixed>
     */
    public static function mergeAttributes($attributes1, $attributes2): array
    {
        $attributes = [];
        foreach ([$attributes1, $attributes2] as $arg) {
            if ($arg instanceof Node) {
                $arg = $arg->data->get('attributes');
            }

            /** @var array<string, mixed> $arg */
            $arg = (array) $arg;
            if (isset($arg['class'])) {
                if (\is_string($arg['class'])) {
                    $arg['class'] = \array_filter(\explode(' ', \trim($arg['class'])));
                }

                foreach ($arg['class'] as $class) {
                    $attributes['class'][] = $class;
                }

                unset($arg['class']);
            }

            $attributes = \array_merge($attributes, $arg);
        }

        if (isset($attributes['class'])) {
            $attributes['class'] = \implode(' ', $attributes['class']);
        }

        return $attributes;
    }
}

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<?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"
                        
}