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function is not described

WP_Metadata_Lazyloader::lazyload_comment_meta() public WP 4.5.0

Lazy-loads comment meta for queued comments.

This method is public so that it can be used as a filter callback. As a rule, there is no need to invoke it directly, from either inside or outside the WP_Query object.

{} It's a method of the class: WP_Metadata_Lazyloader{}

No Hooks.

Return

Mixed. The original value of $check, so as not to short-circuit get_comment_metadata().

Usage

$WP_Metadata_Lazyloader = new WP_Metadata_Lazyloader();
$WP_Metadata_Lazyloader->lazyload_comment_meta( $check );
$check(mixed) (required)
The $check param passed from the {@see 'get_comment_metadata'} hook.

Changelog

Since 4.5.0 Introduced.

Code of WP_Metadata_Lazyloader::lazyload_comment_meta() WP 5.7.2

<?php
public function lazyload_comment_meta( $check ) {
	if ( ! empty( $this->pending_objects['comment'] ) ) {
		update_meta_cache( 'comment', array_keys( $this->pending_objects['comment'] ) );

		// No need to run again for this set of comments.
		$this->reset_queue( 'comment' );
	}

	return $check;
}