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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 |
|---|---|
| 556 | } |
| 557 | |
| 558 | ob_start(); |
| 559 | extract($args); |
| 560 | |
| 561 | $title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title'], $instance, $this->id_base); |
| 562 | if ( empty( $instance['number'] ) || ! $number = absint( $instance['number'] ) ) |
| 563 | $number = 10; |
| 564 | |
| 565 | $r = new WP_Query( apply_filters( 'widget_posts_args', array( 'posts_per_page' => $number, 'no_found_rows' => true, 'post_status' => 'publish', 'ignore_sticky_posts' => true ) ) ); |
| 566 | if ($r->have_posts()) : |
| 567 | ?> |
| 568 | <?php echo $before_widget; ?> |
| 569 | <?php if ( $title ) echo $before_title . $title . $after_title; ?> |
| 570 | <ul> |
| 571 | <?php while ($r->have_posts()) : $r->the_post(); ?> |
| 572 | <li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?></a></li> |
| 573 | <?php endwhile; ?> |
| 574 | </ul> |