Question

update_comment_meta( int $comment_id,  string $meta_key,  mixed $meta_value,  mixed $prev_value = '' )

Update comment meta field based on comment ID.

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description

Use the $prev_value parameter to differentiate between meta fields with the same key and comment ID.

If the meta field for the comment does not exist, it will be added.

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参数

$comment_id

(int) (Required) Comment ID.

$meta_key

(string) (Required) Metadata key.

$meta_value

(mixed) (Required) Metadata value.

$prev_value

(mixed) (Optional) Previous value to check before removing.

Default value: ''

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返回值

(int|bool) Meta ID if the key didn't exist, true on successful update, false on failure.

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源代码

File: wp-includes/comment.php

function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') {
	return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value);
}

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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: update_metadata()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Basic Usage

   
   <?php update_comment_meta( 3416, 'my_key', 'Brad' ); ?>