add_comment_meta() – Function | Developer.WordPress.org

Adds meta data field to a comment.

Parameters

$comment_idintrequired: Comment ID.
$meta_keystringrequired: Metadata name.
$meta_valuemixedrequired: Metadata value. Must be serializable if non-scalar.
$uniquebooloptional: Whether the same key should not be added.

Default:false

Return

int|false Meta ID on success, false on failure.

Source

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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Uses	Description
add_metadata()`wp-includes/meta.php`	Adds metadata for the specified object.

Used by	Description
wp_spam_comment()`wp-includes/comment.php`	Marks a comment as Spam.
wp_insert_comment()`wp-includes/comment.php`	Inserts a comment into the database.
wp_trash_comment()`wp-includes/comment.php`	Moves a comment to the Trash

Changelog

Version	Description
2.9.0	Introduced.

User Contributed Notes

Skip to note 2 content

Codex 9 years ago

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Basic Example

Add a custom posted value to every new comment
```
<?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' );
?>
```
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add_comment_meta( int $comment_id, string $meta_key, mixed $meta_value, bool $unique = false ): int|false

In this article

Parameters

Return

Source

Changelog

User Contributed Notes

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

In this article

Parameters

Return

Source

Related

Changelog

User Contributed Notes