php 从条目元中排除类别

Posted 2021-05-04

add_filter( 'the_category', __NAMESPACE__ . '\the_category_filter', 10, 2 );
/**
 * Remove featured categories from displaying in the post meta
 * 
 * @param $thelist
 * @param $separator
 *
 * @return array
 */
function the_category_filter( $thelist, $separator=' ' ) {
	
	if(!defined('WP_ADMIN')) {
		
		$exclude = array('Featured Post', 'Home Page Feature');
		$cats = explode($separator,$thelist);
		$newlist = array();
		
		foreach($cats as $cat) {
			$catname = trim(strip_tags($cat));
			if(!in_array($catname,$exclude))
				$newlist[] = $cat;
		}
		
		return implode($separator, $newlist);
	} else {
		return $thelist;
	}
	
}