Fix phpcs issues and code format

Author: dhaval-parekh

admin/rt-retranscode-admin.php

@@ -625,7 +625,7 @@ public function ajax_process_retranscode_request() {
 			)
 		) {
 			// translators: Media id of the invalid media type.
-			die( wp_json_encode( array( 'error' => sprintf( __( 'Sending Failed: %s is an invalid media ID/type.', 'transcoder' ), esc_html( $id ) ) ) ) );
+			die( wp_json_encode( array( 'error' => sprintf( __( 'Sending Failed: %d is an invalid media ID/type.', 'transcoder' ), intval( $id ) ) ) ) );
 		}
 
 		if ( 'audio/mpeg' === $media->post_mime_type ) {

admin/rt-transcoder-admin.php

@@ -375,8 +375,10 @@ public function edit_video_thumbnail_( $form_fields, $post ) {
 	 * @return array $form_fields
 	 */
 	public function save_video_thumbnail( $post ) {
+
 		$rtmedia_thumbnail = transcoder_filter_input( INPUT_POST, 'rtmedia-thumbnail', FILTER_SANITIZE_STRING );
-		$id                = $post['ID'];
+		$id                = ( ! empty( $post['ID'] ) && 0 < intval( $post['ID'] ) ) ? intval( $post['ID'] ) : 0;
+
 		if ( isset( $rtmedia_thumbnail ) ) {
 			if ( class_exists( 'rtMedia' ) ) {
 				$file_url = $rtmedia_thumbnail;