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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 |
|---|---|
| 94 | * @since 3.4.0 |
| 95 | * @since 4.9.0 Added the `$instance` parameter. |
| 96 | * |
| 97 | * @see WP_Comment_Query::query() for information on accepted arguments. |
| 98 | * |
| 99 | * @param array $comment_args An array of arguments used to retrieve the recent comments. |
| 100 | * @param array $instance Array of settings for the current widget. |
| 101 | */ |
| 102 | $comments = get_comments( |
| 103 | apply_filters( |
| 104 | 'widget_comments_args', |
| 105 | array( |
| 106 | 'number' => $number, |
| 107 | 'status' => 'approve', |
| 108 | 'post_status' => 'publish', |
| 109 | ), |
| 110 | $instance |
| 111 | ) |
| 112 | ); |