clear cache on upgrade

Author: DavidCramer

cloudinary-image-management-and-manipulation-in-the-cloud-cdn/php/class-connect.php

@@ -118,7 +118,7 @@ public function media_library_script() {
 	 */
 	public function verify_connection( $data ) {
 		if ( empty( $data['cloudinary_url'] ) ) {
-			delete_site_option( 'cloudinary_connection_signature' );
+			delete_option( 'cloudinary_connection_signature' );
 			add_settings_error( 'cloudinary_connect', 'connection_error', __( 'Connection to Cloudinary has been removed.', 'cloudinary' ), 'notice-warning' );
 
 			return $data;
@@ -318,6 +318,7 @@ public function get_config() {
 					update_option( 'cloudinary_connect', $data );
 					update_option( 'cloudinary_connection_signature', $signature );
 					update_option( 'cloudinary_version', $this->plugin->version );
+					delete_option( 'cloudinary_settings_cache' ); // remove the cache.
 					$this->plugin->config['settings']['connect'] = $data; // Set the connection url for this round.
 				}
 			}

cloudinary-image-management-and-manipulation-in-the-cloud-cdn/ui-definitions/tabs/settings-connect.php

@@ -23,7 +23,7 @@
 			'label'    => null,
 			'type'     => 'custom',
 			'callback' => function () {
-				if ( empty( $this->plugin->config['connect'] ) ) { // phpcs:ignore
+				if ( empty( Cloudinary\get_plugin_instance()->config['connect'] ) ) {
 					esc_html_e( "Don't have an account?", 'cloudinary' ); ?>
 					<a href="https://cloudinary.com/users/register/free" target="_blank" class="button sign-up"><?php esc_html_e( 'Sign up Free', 'cloudinary' ); ?></a>
 					<?php