Fix PHP typed properties to match parent classes

classes/REST/Order_Endpoint.php

@@ -38,7 +38,7 @@ class Order_Endpoint extends Abstract_REST_Endpoint {
 	 *
 	 * @var string
 	 */
-	protected $path = '/commerce/paystack/order';
+	protected string $path = '/commerce/paystack/order';
 
 	/**
 	 * Register the actual endpoint on WP Rest API.

classes/class-gateway.php

@@ -17,22 +17,22 @@ class Gateway extends Abstract_Gateway {
 	/**
 	 * @inheritDoc
 	 */
-	protected static $key = 'paystack';
+	protected static string $key = 'paystack';
 
 	/**
 	 * @inheritDoc
 	 */
-	protected static $settings = Settings::class;
+	protected static string $settings = Settings::class;
 
 	/**
 	 * @inheritDoc
 	 */
-	protected static $merchant = Merchant::class;
+	protected static string $merchant = Merchant::class;
 
 	/**
 	 * @inheritDoc
 	 */
-	protected static $supported_currencies = array( 'NGN', 'GHS', 'USD', 'KES', 'ZAR', 'XOF', 'EGP' );
+	protected static array $supported_currencies = array( 'NGN', 'GHS', 'USD', 'KES', 'ZAR', 'XOF', 'EGP' );
 
 	/**
 	 * @inheritDoc

classes/class-merchant.php

@@ -328,4 +328,46 @@ public function get_locale() {
 		 */
 		return apply_filters( 'tec_tickets_commerce_gateway_paystack_merchant_locale', $locale );
 	}
+
+	/**
+	 * Gets the client secret for merchant.
+	 *
+	 * @since 5.24.0
+	 *
+	 * @return ?string
+	 */
+	public function get_client_secret(): ?string {
+		// Paystack doesn't use client secrets in the same way as other payment gateways
+		return null;
+	}
+
+	/**
+	 * Gets the disconnect action for merchant.
+	 *
+	 * @since 5.11.0.5
+	 *
+	 * @return string
+	 */
+	public function get_disconnect_action(): string {
+		return 'tec_tickets_commerce_paystack_disconnect';
+	}
+
+	/**
+	 * Gets the disconnect url for merchant.
+	 *
+	 * @since 5.11.0.5
+	 *
+	 * @return string
+	 */
+	public function get_disconnect_url(): string {
+		return wp_nonce_url(
+			add_query_arg(
+				[
+					'action' => $this->get_disconnect_action(),
+				],
+				admin_url( 'admin-ajax.php' )
+			),
+			$this->get_disconnect_action()
+		);
+	}
 }