<?php

namespace Laravel\SerializableClosure;

use Closure;
use Laravel\SerializableClosure\Exceptions\InvalidSignatureException;
use Laravel\SerializableClosure\Exceptions\PhpVersionNotSupportedException;
use Laravel\SerializableClosure\Serializers\Signed;
use Laravel\SerializableClosure\Signers\Hmac;

class SerializableClosure
{
    /**
     * The closure's serializable.
     *
     * @var \Laravel\SerializableClosure\Contracts\Serializable
     */
    protected $serializable;

    /**
     * Creates a new serializable closure instance.
     *
     * @param  \Closure  $closure
     * @return void
     */
    public function __construct(Closure $closure)
    {
        if (\PHP_VERSION_ID < 70400) {
            throw new PhpVersionNotSupportedException();
        }

        $this->serializable = Serializers\Signed::$signer
            ? new Serializers\Signed($closure)
            : new Serializers\Native($closure);
    }

    /**
     * Resolve the closure with the given arguments.
     *
     * @return mixed
     */
    public function __invoke()
    {
        if (\PHP_VERSION_ID < 70400) {
            throw new PhpVersionNotSupportedException();
        }

        return call_user_func_array($this->serializable, func_get_args());
    }

    /**
     * Gets the closure.
     *
     * @return \Closure
     */
    public function getClosure()
    {
        if (\PHP_VERSION_ID < 70400) {
            throw new PhpVersionNotSupportedException();
        }

        return $this->serializable->getClosure();
    }

    /**
     * Create a new unsigned serializable closure instance.
     *
     * @param  Closure  $closure
     * @return \Laravel\SerializableClosure\UnsignedSerializableClosure
     */
    public static function unsigned(Closure $closure)
    {
        return new UnsignedSerializableClosure($closure);
    }

    /**
     * Sets the serializable closure secret key.
     *
     * @param  string|null  $secret
     * @return void
     */
    public static function setSecretKey($secret)
    {
        Serializers\Signed::$signer = $secret
            ? new Hmac($secret)
            : null;
    }

    /**
     * Sets the serializable closure secret key.
     *
     * @param  \Closure|null  $transformer
     * @return void
     */
    public static function transformUseVariablesUsing($transformer)
    {
        Serializers\Native::$transformUseVariables = $transformer;
    }

    /**
     * Sets the serializable closure secret key.
     *
     * @param  \Closure|null  $resolver
     * @return void
     */
    public static function resolveUseVariablesUsing($resolver)
    {
        Serializers\Native::$resolveUseVariables = $resolver;
    }

    /**
     * Get the serializable representation of the closure.
     *
     * @return array
     */
    public function __serialize()
    {
        return [
            'serializable' => $this->serializable,
        ];
    }

    /**
     * Restore the closure after serialization.
     *
     * @param  array  $data
     * @return void
     *
     * @throws \Laravel\SerializableClosure\Exceptions\InvalidSignatureException
     */
    public function __unserialize($data)
    {
        if (Signed::$signer && ! $data['serializable'] instanceof Signed) {
            throw new InvalidSignatureException();
        }

        $this->serializable = $data['serializable'];
    }
}

• [D] Contracts
• [D] Exceptions
• [D] Serializers
• [D] Signers
• [D] Support
• [F] SerializableClosure.php
  Delete
• [F] UnsignedSerializableClosure.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"
                        
}