<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette;

use Nette\Utils\ObjectHelpers;


/**
 * Strict class for better experience.
 * - 'did you mean' hints
 * - access to undeclared members throws exceptions
 * - support for @property annotations
 * - support for calling event handlers stored in $onEvent via onEvent()
 */
trait SmartObject
{
	/**
	 * @return mixed
	 * @throws MemberAccessException
	 */
	public function __call(string $name, array $args)
	{
		$class = static::class;

		if (ObjectHelpers::hasProperty($class, $name) === 'event') { // calling event handlers
			$handlers = $this->$name ?? null;
			if (is_iterable($handlers)) {
				foreach ($handlers as $handler) {
					$handler(...$args);
				}
			} elseif ($handlers !== null) {
				throw new UnexpectedValueException("Property $class::$$name must be iterable or null, " . get_debug_type($handlers) . ' given.');
			}

			return null;
		}

		ObjectHelpers::strictCall($class, $name);
	}


	/**
	 * @throws MemberAccessException
	 */
	public static function __callStatic(string $name, array $args)
	{
		ObjectHelpers::strictStaticCall(static::class, $name);
	}


	/**
	 * @return mixed
	 * @throws MemberAccessException if the property is not defined.
	 */
	public function &__get(string $name)
	{
		$class = static::class;

		if ($prop = ObjectHelpers::getMagicProperties($class)[$name] ?? null) { // property getter
			if (!($prop & 0b0001)) {
				throw new MemberAccessException("Cannot read a write-only property $class::\$$name.");
			}

			$m = ($prop & 0b0010 ? 'get' : 'is') . ucfirst($name);
			if ($prop & 0b10000) {
				$trace = debug_backtrace(0, 1)[0]; // suppose this method is called from __call()
				$loc = isset($trace['file'], $trace['line'])
					? " in $trace[file] on line $trace[line]"
					: '';
				trigger_error("Property $class::\$$name is deprecated, use $class::$m() method$loc.", E_USER_DEPRECATED);
			}

			if ($prop & 0b0100) { // return by reference
				return $this->$m();
			} else {
				$val = $this->$m();
				return $val;
			}
		} else {
			ObjectHelpers::strictGet($class, $name);
		}
	}


	/**
	 * @throws MemberAccessException if the property is not defined or is read-only
	 */
	public function __set(string $name, mixed $value): void
	{
		$class = static::class;

		if (ObjectHelpers::hasProperty($class, $name)) { // unsetted property
			$this->$name = $value;

		} elseif ($prop = ObjectHelpers::getMagicProperties($class)[$name] ?? null) { // property setter
			if (!($prop & 0b1000)) {
				throw new MemberAccessException("Cannot write to a read-only property $class::\$$name.");
			}

			$m = 'set' . ucfirst($name);
			if ($prop & 0b10000) {
				$trace = debug_backtrace(0, 1)[0]; // suppose this method is called from __call()
				$loc = isset($trace['file'], $trace['line'])
					? " in $trace[file] on line $trace[line]"
					: '';
				trigger_error("Property $class::\$$name is deprecated, use $class::$m() method$loc.", E_USER_DEPRECATED);
			}

			$this->$m($value);

		} else {
			ObjectHelpers::strictSet($class, $name);
		}
	}


	/**
	 * @throws MemberAccessException
	 */
	public function __unset(string $name): void
	{
		$class = static::class;
		if (!ObjectHelpers::hasProperty($class, $name)) {
			throw new MemberAccessException("Cannot unset the property $class::\$$name.");
		}
	}


	public function __isset(string $name): bool
	{
		return isset(ObjectHelpers::getMagicProperties(static::class)[$name]);
	}
}

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• [D] Utils
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• [F] exceptions.php
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• [F] HtmlStringable.php
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• [F] SmartObject.php
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• [F] StaticClass.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"
                        
}