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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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1422 |
|
1423 | /** |
1424 | * Filters the comments count for a given post or the whole site. |
1425 | * |
1426 | * @since 2.7.0 |
1427 | * |
1428 | * @param array|stdClass $count An empty array or an object containing comment counts. |
1429 | * @param int $post_id The post ID. Can be 0 to represent the whole site. |
1430 | */ |
1431 | $filtered = apply_filters( 'wp_count_comments', array(), $post_id ); |
1432 | if ( ! empty( $filtered ) ) { |
1433 | return $filtered; |
1434 | } |
1435 |
|
1436 | $count = wp_cache_get( "comments-{$post_id}", 'counts' ); |
1437 | if ( false !== $count ) { |
1438 | return $count; |
1439 | } |
1440 |
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