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<?php |
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namespace Iamolayemi\Paystack\Endpoints; |
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use Iamolayemi\Paystack\Exceptions\PaystackApiException; |
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use Iamolayemi\Paystack\Exceptions\PaystackConnectionException; |
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use Iamolayemi\Paystack\Exceptions\PaystackValidationException; |
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use Iamolayemi\Paystack\Paystack; |
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use Illuminate\Http\Client\Response; |
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abstract class Endpoint |
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{ |
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protected const BASE_URL = 'https://api.paystack.co/'; |
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public Paystack $paystack; |
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protected ?Response $response = null; |
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/** |
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* @throws PaystackConnectionException |
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*/ |
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public function __construct(Paystack $paystack) |
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{ |
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$this->paystack = $paystack; |
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if ($this->paystack->getConnection() === null) { |
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throw PaystackConnectionException::connectionFailed(self::BASE_URL); |
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} |
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} |
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/** |
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* Return the data from http request. |
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* |
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* @return array<string, mixed>|null The data from the response, or null if no request has been made. |
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*/ |
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public function data(): ?array |
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{ |
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return $this->response ? $this->response('data') : null; |
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} |
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/** |
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* Return the response from http request. |
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* |
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* @param string $key Optional key to extract a specific value from the JSON response. |
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* @return array<string, mixed>|mixed The full response or a specific value from the response. |
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*/ |
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public function response(string $key = ''): mixed |
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{ |
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if (empty($key)) { |
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return $this->response?->json(); |
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} |
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return $this->response?->json($key); |
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} |
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/** |
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* Check if the response was successful. |
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*/ |
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public function isSuccessful(): bool |
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{ |
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return $this->response?->successful() ?? false; |
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} |
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/** |
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* Get the HTTP status code of the response. |
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*/ |
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public function getStatusCode(): ?int |
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{ |
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return $this->response?->status(); |
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} |
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protected function url(string $endpoint): string |
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{ |
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return self::BASE_URL.ltrim($endpoint, '/'); |
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} |
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/** |
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* Make a http get request |
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* |
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* @param string $url The URL to send the request to. |
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* @param array<string, mixed>|string|null $query Optional query string parameters. |
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* @return self This instance for method chaining. |
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* |
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* @throws PaystackApiException |
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*/ |
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protected function get(string $url, array|string|null $query = []): self |
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{ |
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try { |
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$connection = $this->paystack->getConnection(); |
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if ($connection === null) { |
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throw PaystackConnectionException::connectionFailed($url); |
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} |
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$response = $connection->get($url, $query); |
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$this->response = $response; |
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if (! $response->successful()) { |
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$this->handleErrorResponse($response, $url); |
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} |
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return $this; |
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} catch (\Exception $e) { |
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throw PaystackConnectionException::connectionFailed($url, $e); |
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} |
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} |
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/** |
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* Make a http post request |
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* |
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* @param string $url The URL to send the request to. |
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* @param array<string, mixed> $payload The data to be sent. |
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* @return self This instance for method chaining. |
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* |
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* @throws PaystackApiException |
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*/ |
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protected function post(string $url, array $payload = []): self |
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{ |
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try { |
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$connection = $this->paystack->getConnection(); |
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if ($connection === null) { |
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throw PaystackConnectionException::connectionFailed($url); |
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} |
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$response = $connection->post($url, $payload); |
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$this->response = $response; |
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if (! $response->successful()) { |
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$this->handleErrorResponse($response, $url); |
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} |
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return $this; |
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} catch (\Exception $e) { |
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throw PaystackConnectionException::connectionFailed($url, $e); |
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} |
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} |
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/** |
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* Make a http put request |
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* |
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* @param string $url The URL to send the request to. |
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* @param array<string, mixed> $payload The data to be sent. |
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* @return self This instance for method chaining. |
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* |
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* @throws PaystackApiException |
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*/ |
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protected function put(string $url, array $payload = []): self |
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{ |
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try { |
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$connection = $this->paystack->getConnection(); |
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if ($connection === null) { |
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throw PaystackConnectionException::connectionFailed($url); |
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} |
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$response = $connection->put($url, $payload); |
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$this->response = $response; |
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if (! $response->successful()) { |
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$this->handleErrorResponse($response, $url); |
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} |
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return $this; |
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} catch (\Exception $e) { |
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throw PaystackConnectionException::connectionFailed($url, $e); |
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} |
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} |
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/** |
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* Make a http delete request |
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* |
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* @param string $url The URL to send the request to. |
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* @param array<string, mixed> $payload The data to be sent. |
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* @return self This instance for method chaining. |
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* |
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* @throws PaystackApiException |
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*/ |
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protected function delete(string $url, array $payload = []): self |
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{ |
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try { |
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$connection = $this->paystack->getConnection(); |
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if ($connection === null) { |
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throw PaystackConnectionException::connectionFailed($url); |
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} |
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$response = $connection->delete($url, $payload); |
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$this->response = $response; |
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if (! $response->successful()) { |
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$this->handleErrorResponse($response, $url); |
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} |
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return $this; |
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} catch (\Exception $e) { |
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throw PaystackConnectionException::connectionFailed($url, $e); |
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} |
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} |
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/** |
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* Handle error responses from the API. |
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* |
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* @throws PaystackApiException |
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*/ |
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protected function handleErrorResponse(Response $response, string $url): void |
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{ |
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$responseData = $response->json(); |
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if (is_array($responseData)) { |
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throw PaystackApiException::fromResponse($responseData, $url); |
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} |
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throw new PaystackApiException( |
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'Unknown API error occurred', |
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$response->status(), |
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$url |
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); |
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} |
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/** |
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* Validate required parameters. |
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* @param array<string, mixed> $data |
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* @param array<int, string> $required |
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* |
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* @throws PaystackValidationException |
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*/ |
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protected function validateRequired(array $data, array $required): void |
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{ |
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$errors = []; |
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foreach ($required as $field) { |
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if (! isset($data[$field]) || empty($data[$field])) { |
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$errors[$field] = "The {$field} field is required."; |
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} |
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} |
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if (! empty($errors)) { |
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throw new PaystackValidationException('Validation failed', $errors); |
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} |
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} |
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} |
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