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is_category › WordPress Function

Since1.5.0

已弃用n/a

› is_category ( $category = '' )

参数:	(int\|string\|int[]\|string[]) $category Optional. Category ID, name, slug, or array of such to check against. Default empty. Required: No 默认: (empty)
返回:	(bool) Whether the query is for an existing category archive page.
定义在:	wp-includes/query.php , line 271
文档:	developer.wordpress.org / is_category

Determines whether the query is for an existing category archive page.

If the $category parameter is specified, this function will additionally check if the query is for one of the categories specified. For more information on this and similar theme functions, check out the {@link Conditional Tags} article in the Theme Developer Handbook.

源码

function is_category( $category = '' ) {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_category( $category );
}