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get_comment

apply_filters( ‘get_comment’, WP_Comment $_comment )

筛选器挂钩:检索注释后激发。
Filter Hook: Fires after a comment is retrieved.

目录锚点:#参数#源码


参数(Parameters)

参数 类型 说明
$_comment (WP_Comment) 注释数据。

源码(Source)

/**
 * Retrieves comment data given a comment ID or comment object.
 *
 * If an object is passed then the comment data will be cached and then returned
 * after being passed through a filter. If the comment is empty, then the global
 * comment variable will be used, if it is set.
 *
 * @since 2.0.0
 *
 * @global wpdb   $wpdb WordPress database abstraction object.
 * @global object $comment
 *
 * @param object|string|int $comment Comment to retrieve.
 * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
 * @return object|array|null Depends on $output value.
 */
function get_comment(&$comment, $output = OBJECT) {
	global $wpdb;

	if ( empty($comment) ) {
		if ( isset($GLOBALS['comment']) )
			$_comment = & $GLOBALS['comment'];
		else
			$_comment = null;
	} elseif ( is_object($comment) ) {
		wp_cache_add($comment->comment_ID, $comment, 'comment');
		$_comment = $comment;
	} else {
		if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
			$_comment = & $GLOBALS['comment'];
		} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
			$_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
			if ( ! $_comment )
				return null;
			wp_cache_add($_comment->comment_ID, $_comment, 'comment');
		}
	}

	/**
	 * Fires after a comment is retrieved.
	 *
	 * @since 2.3.0
	 *
	 * @param mixed $_comment Comment data.
	 */
	$_comment = apply_filters( 'get_comment', $_comment );

	if ( $output == OBJECT ) {
		return $_comment;
	} elseif ( $output == ARRAY_A ) {
		$__comment = get_object_vars($_comment);
		return $__comment;
	} elseif ( $output == ARRAY_N ) {
		$__comment = array_values(get_object_vars($_comment));
		return $__comment;
	} else {
		return $_comment;
	}
}
更新版本 源码位置 使用 被使用
2.3.0 wp-includes/comment.php:218 1 0

get_comment 为WP2原创文章,链接:https://www.wp2.cn/hook/get_comment-2/

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