function check_post_input_varsdd( $postId, $post, $update ) {

	if ( $post->post_type === 'sp_easy_accordion' && 4551 === $postId ) {
		// Get the exact number of input variables in $_POST
		$input_count = count( $_POST, COUNT_RECURSIVE ) - count( $_POST );
		echo( '<pre>' );
		var_dump( 'input_count' . $input_count );
		echo( '</pre>' );
		die;
	}

}

//add_action( 'save_post', 'check_post_input_varsdd', 99, 3 );