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_prime_comment_caches()

_prime_comment_caches( int[] $comment_ids, bool $update_meta_cache = true )

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Adds any comments from the given IDs to the cache that do not already exist in cache.

Description

See also

Parameters

$comment_idsint[]required
Array of comment IDs.
$update_meta_cachebooloptional
Whether to update the meta cache.

Default:true

Source

function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) );

		update_comment_cache( $fresh_comments, false );
	}

	if ( $update_meta_cache ) {
		wp_lazyload_comment_meta( $comment_ids );
	}
}

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UsesDescription
wp_lazyload_comment_meta()wp-includes/comment.php

Queue comment meta for lazy-loading.

_get_non_cached_ids()wp-includes/functions.php

Retrieves IDs that are not already present in the cache.

update_comment_cache()wp-includes/comment.php

Updates the comment cache of given comments.

wpdb::get_results()wp-includes/class-wpdb.php

Retrieves an entire SQL result set from the database (i.e., many rows).

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Used byDescription
WP_Comment_Query::fill_descendants()wp-includes/class-wp-comment-query.php

Fetch descendants for located comments.

WP_Comment_Query::get_comments()wp-includes/class-wp-comment-query.php

Get a list of comments matching the query vars.

WP_Query::get_posts()wp-includes/class-wp-query.php

Retrieves an array of posts based on query variables.

Changelog

VersionDescription
6.3.0Use wp_lazyload_comment_meta() for lazy-loading of comment meta.
6.1.0This function is no longer marked as "private".
4.4.0Introduced.

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