Adds meta data field to a comment.

$comment_id int Required

Comment ID.

$meta_key string Required

Metadata name.

$meta_value mixed Required

Metadata value. Must be serializable if non-scalar.

$unique bool Optional

Whether the same key should not be added.

Default: false

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

File: wp-includes/comment.php. View all references

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