release: fixes

- Upgraded Facebook Graph API version
- Fixed an issue where a PHP error was being thrown when posting

includes/admin/models/class-rop-services-model.php

@@ -496,7 +496,7 @@ public function find_account( $account_id ) {
 
 		list( $service, $service_id, $user_id ) = $this->handle_underscore_exception( $account_id );
 
-		if ( count( $services[ $service . '_' . $service_id ]['available_accounts'] ) >= 1 ) {
+		if ( ! empty( $services[ $service . '_' . $service_id ]['available_accounts'] ) && count( $services[ $service . '_' . $service_id ]['available_accounts'] ) >= 1 ) {
 			foreach ( $services[ $service . '_' . $service_id ]['available_accounts'] as $key => $account ) {
 				if ( $account['id'] == $user_id ) {
 					$response = array(

includes/admin/services/class-rop-facebook-service.php

@@ -163,7 +163,7 @@ public function set_api( $app_id = '', $secret = '' ) {
 				array(
 					'app_id'                => $this->strip_whitespace( $app_id ),
 					'app_secret'            => $this->strip_whitespace( $secret ),
-					'default_graph_version' => 'v16.0',
+					'default_graph_version' => 'v20.0',
 				)
 			);
 		} catch ( Exception $exception ) {
@@ -761,9 +761,9 @@ private function try_post( $new_post, $page_id, $token, $post_id, $posting_type
 			$post_data['access_token'] = $token;
 
 			if ( 'video' === $posting_type ) {
-				$url = 'https://graph-video.facebook.com/v12.0' . $path;
+				$url = 'https://graph-video.facebook.com/v20.0' . $path;
 			} else {
-				$url = 'https://graph.facebook.com/v12.0' . $path;
+				$url = 'https://graph.facebook.com/v20.0' . $path;
 			}
 
 			// Scrape post URL before sharing