WordPress函数：post_class

一、函数简介

显示后置容器元素的类。（Displays the classes for the post container element.）  

二、函数参数

* @param string|string[] $css_class Optional. One or more classes to add to the class list. Default empty. * @param int|WP_Post $post Optional. Post ID or post object. Defaults to the global `$post`.  

三、函数案例

   

四、源代码

/**
 * Displays the classes for the post container element.
 *
 * @since 2.7.0
 *
 * @param string|string[] $css_class Optional. One or more classes to add to the class list.
 *                                   Default empty.
 * @param int|WP_Post     $post      Optional. Post ID or post object. Defaults to the global `$post`.
 */
function post_class( $css_class = '', $post = null ) {
	// Separates classes with a single space, collates classes for post DIV.
	echo 'class="' . esc_attr( implode( ' ', get_post_class( $css_class, $post ) ) ) . '"';
}