'awp_recent_comments awp_widget',
'description' => __( 'Widget to display recent comments.', 'advance-widget-pack' ),
);
$control_ops = array(
'width' => 200,
'height' => 250,
);
parent::__construct( false, __( 'AWP Recent Comments', 'advance-widget-pack' ), $widget_ops, $control_ops );
}
function widget( $args, $instance ) {
$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments', 'advance-widget-pack' );
$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
// Clamped to 1-50 to match update() and the form's ,
// for the same key-space reason as the other AWP widgets: the cache
// key below is built from this value.
$number = ( ! empty( $instance['number'] ) ) ? max( 1, min( 50, absint( $instance['number'] ) ) ) : 5;
$query_args = apply_filters(
'widget_comments_args',
array(
'number' => $number,
'status' => 'approve',
'post_status' => 'publish',
)
);
// Cache comment IDs (not WP_Comment objects) on a transient, matching
// the house pattern in Awp_Recent_Post::get_post_ids(). Storing whole
// objects would freeze a snapshot of comment content into wp_options
// that then goes stale independently of the object cache; IDs are
// rehydrated below through get_comment(), which is object-cache-backed.
//
// The variable part of the key is a hash of the POST-filter args. It is
// hashed here — unlike every other AWP cache key, which embeds its
// clamped integer verbatim for greppability — because a third party can
// return an arbitrary array from `widget_comments_args`, so the input is
// unbounded in shape rather than a clamped integer. Hashing the
// post-filter args also means two differently-filtered configurations
// get distinct keys instead of colliding on one cached list.
$cache_key = 'awp_recent_comments_' . awp_cache_generation() . '_' . md5( (string) wp_json_encode( $query_args ) );
$comment_ids = get_transient( $cache_key );
if ( false === $comment_ids ) {
$comment_ids = get_comments( array_merge( $query_args, array( 'fields' => 'ids' ) ) );
$comment_ids = array_map( 'intval', (array) $comment_ids );
// Comments are volatile, so 5 minutes (as Recent Posts uses), not
// the 15 used for the less volatile top-authors/related-posts data.
// Comment events also bump awp_cache_generation() via the
// comment_post / transition_comment_status hooks, so approving or
// posting a comment invalidates this immediately.
set_transient( $cache_key, $comment_ids, 5 * MINUTE_IN_SECONDS );
}
echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- sidebar-provided wrapper markup, trusted per WP core convention.
if ( $title ) {
echo $args['before_title'] . esc_html( $title ) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- title text is esc_html()'d; before/after_title are sidebar-provided wrapper markup.
}
if ( $comment_ids ) {
// Rehydrate in one query rather than N, so the per-comment
// get_comment() calls below are all object-cache hits.
_prime_comment_caches( $comment_ids );
$comments = array();
foreach ( $comment_ids as $comment_id ) {
$comment = get_comment( $comment_id );
// A comment deleted or unapproved since the transient was
// written is skipped rather than rendered as an empty row.
if ( $comment instanceof WP_Comment && '1' === (string) $comment->comment_approved ) {
$comments[] = $comment;
}
}
if ( $comments ) {
$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
echo '