Warning: Use of undefined constant filtersa错误处理

Warning: Use of undefined constant filtersa - assumed 'filtersa' (this will throw an Error in a future version of PHP) in /www/wwwroot/***/wp-content/themes/****/inc/filter-tag.php on line 17

	register_taxonomy( 'filtersa','post',array(
		'hierarchical' => false,
		'rewrite' => array( 'slug' => filtersa ),
		'labels' => $labels
		));

修改为：

		'rewrite' => array( 'slug' => 'filtersa' ),