Developer
<?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\Utils;
use Nette;
use function is_array, is_object, is_string;
/**
* PHP callable tools.
*/
final class Callback
{
use Nette\StaticClass;
/**
* Invokes internal PHP function with own error handler.
*/
public static function invokeSafe(string $function, array $args, callable $onError): mixed
{
$prev = set_error_handler(function ($severity, $message, $file) use ($onError, &$prev, $function): ?bool {
if ($file === __FILE__) {
$msg = ini_get('html_errors')
? Html::htmlToText($message)
: $message;
$msg = preg_replace("#^$function\\(.*?\\): #", '', $msg);
if ($onError($msg, $severity) !== false) {
return null;
}
}
return $prev ? $prev(...func_get_args()) : false;
});
try {
return $function(...$args);
} finally {
restore_error_handler();
}
}
/**
* Checks that $callable is valid PHP callback. Otherwise throws exception. If the $syntax is set to true, only verifies
* that $callable has a valid structure to be used as a callback, but does not verify if the class or method actually exists.
* @return callable
* @throws Nette\InvalidArgumentException
*/
public static function check(mixed $callable, bool $syntax = false)
{
if (!is_callable($callable, $syntax)) {
throw new Nette\InvalidArgumentException(
$syntax
? 'Given value is not a callable type.'
: sprintf("Callback '%s' is not callable.", self::toString($callable)),
);
}
return $callable;
}
/**
* Converts PHP callback to textual form. Class or method may not exists.
*/
public static function toString(mixed $callable): string
{
if ($callable instanceof \Closure) {
$inner = self::unwrap($callable);
return '{closure' . ($inner instanceof \Closure ? '}' : ' ' . self::toString($inner) . '}');
} else {
is_callable(is_object($callable) ? [$callable, '__invoke'] : $callable, true, $textual);
return $textual;
}
}
/**
* Returns reflection for method or function used in PHP callback.
* @param callable $callable type check is escalated to ReflectionException
* @throws \ReflectionException if callback is not valid
*/
public static function toReflection($callable): \ReflectionMethod|\ReflectionFunction
{
if ($callable instanceof \Closure) {
$callable = self::unwrap($callable);
}
if (is_string($callable) && str_contains($callable, '::')) {
return new ReflectionMethod($callable);
} elseif (is_array($callable)) {
return new ReflectionMethod($callable[0], $callable[1]);
} elseif (is_object($callable) && !$callable instanceof \Closure) {
return new ReflectionMethod($callable, '__invoke');
} else {
return new \ReflectionFunction($callable);
}
}
/**
* Checks whether PHP callback is function or static method.
*/
public static function isStatic(callable $callable): bool
{
return is_string(is_array($callable) ? $callable[0] : $callable);
}
/**
* Unwraps closure created by Closure::fromCallable().
*/
public static function unwrap(\Closure $closure): callable|array
{
$r = new \ReflectionFunction($closure);
$class = $r->getClosureScopeClass()?->name;
if (str_ends_with($r->name, '}')) {
return $closure;
} elseif (($obj = $r->getClosureThis()) && $obj::class === $class) {
return [$obj, $r->name];
} elseif ($class) {
return [$class, $r->name];
} else {
return $r->name;
}
}
}
Developer
Get access token to initiates payment transaction.
| Parameter | Type | Comments |
|---|---|---|
| client_id | string | Enter merchant API client/primary key |
| secret_id | string | Enter merchant API secret key |
| env | string | Enter merchant API environment |
| merchant_id | string | Enter merchant API merchant id |
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":"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
IyZmQzNDY1IiwidGFnIjoiIn0=",
},
"type": "success"
}
**Response: ERROR (400 FAILED)**
{
"message": {
"error": [
"Invalid credentials."
]
},
"data": null,
"type": "error"
}