Question

add_comment_meta( int $comment_id,  string $meta_key,  mixed $meta_value,  bool $unique = false )

将元数据字段添加到评论中。

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description

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参数

$comment_id

(int)
(Required)
评论ID

$meta_key

(string)
(Required)
键名

$meta_value

(mixed)
(Required)
键值

$unique

(bool)
(Optional)
是否应该添加相同的键。Default value: false

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返回值

(int|bool) 成功返回元数据的ID，失败返回false。

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源代码

File: wp-includes/comment.php

function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) {
	return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique);
}

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更新日志

Version	description
2.9.0	Introduced.

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相关函数

Uses

• wp-includes/meta.php:add_metadata()

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Used By

• wp-includes/comment.php:wp_spam_comment()
• wp-includes/comment.php:wp_insert_comment()
• wp-includes/comment.php:wp_trash_comment()

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基本用法

为每个新注释添加自定义的值。

<?php
function add_custom_comment_field( $comment_id ) {

   add_comment_meta( $comment_id, 'my_custom_comment_field', $_POST['my_custom_comment_field'] );
}
add_action( 'comment_post', 'add_custom_comment_field' );
?>