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;
class Helpers
{
/**
* Executes a callback and returns the captured output as a string.
*/
public static function capture(callable $func): string
{
ob_start(function () {});
try {
$func();
return ob_get_clean();
} catch (\Throwable $e) {
ob_end_clean();
throw $e;
}
}
/**
* Returns the last occurred PHP error or an empty string if no error occurred. Unlike error_get_last(),
* it is nit affected by the PHP directive html_errors and always returns text, not HTML.
*/
public static function getLastError(): string
{
$message = error_get_last()['message'] ?? '';
$message = ini_get('html_errors') ? Html::htmlToText($message) : $message;
$message = preg_replace('#^\w+\(.*?\): #', '', $message);
return $message;
}
/**
* Converts false to null, does not change other values.
*/
public static function falseToNull(mixed $value): mixed
{
return $value === false ? null : $value;
}
/**
* Returns value clamped to the inclusive range of min and max.
*/
public static function clamp(int|float $value, int|float $min, int|float $max): int|float
{
if ($min > $max) {
throw new Nette\InvalidArgumentException("Minimum ($min) is not less than maximum ($max).");
}
return min(max($value, $min), $max);
}
/**
* Looks for a string from possibilities that is most similar to value, but not the same (for 8-bit encoding).
* @param string[] $possibilities
*/
public static function getSuggestion(array $possibilities, string $value): ?string
{
$best = null;
$min = (strlen($value) / 4 + 1) * 10 + .1;
foreach (array_unique($possibilities) as $item) {
if ($item !== $value && ($len = levenshtein($item, $value, 10, 11, 10)) < $min) {
$min = $len;
$best = $item;
}
}
return $best;
}
/**
* Compares two values in the same way that PHP does. Recognizes operators: >, >=, <, <=, =, ==, ===, !=, !==, <>
*/
public static function compare(mixed $left, string $operator, mixed $right): bool
{
return match ($operator) {
'>' => $left > $right,
'>=' => $left >= $right,
'<' => $left < $right,
'<=' => $left <= $right,
'=', '==' => $left == $right,
'===' => $left === $right,
'!=', '<>' => $left != $right,
'!==' => $left !== $right,
default => throw new Nette\InvalidArgumentException("Unknown operator '$operator'"),
};
}
}
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"
}