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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 |
|---|---|
| 729 | /** |
| 730 | * Filter the arguments for the Recent Posts widget. |
| 731 | * |
| 732 | * @since 3.4.0 |
| 733 | * |
| 734 | * @see WP_Query::get_posts() |
| 735 | * |
| 736 | * @param array $args An array of arguments used to retrieve the recent posts. |
| 737 | */ |
| 738 | $r = new WP_Query( apply_filters( 'widget_posts_args', array( |
| 739 | 'posts_per_page' => $number, |
| 740 | 'no_found_rows' => true, |
| 741 | 'post_status' => 'publish', |
| 742 | 'ignore_sticky_posts' => true |
| 743 | ) ) ); |
| 744 | |
| 745 | if ($r->have_posts()) : |
| 746 | ?> |
| 747 | <?php echo $args['before_widget']; ?> |