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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 |
|---|---|
| 104 | $category = isset($instance['category']) ? $instance['category'] : false; |
| 105 | |
| 106 | if ( is_admin() && !$category ) { |
| 107 | // Display All Links widget as such in the widgets screen |
| 108 | echo $before_widget . $before_title . _x('All Links', 'links widget') . $after_title . $after_widget; |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | $before_widget = preg_replace('/id="[^"]*"/','id="%id"', $before_widget); |
| 113 | wp_list_bookmarks(apply_filters('widget_links_args', array( |
| 114 | 'title_before' => $before_title, 'title_after' => $after_title, |
| 115 | 'category_before' => $before_widget, 'category_after' => $after_widget, |
| 116 | 'show_images' => $show_images, 'show_description' => $show_description, |
| 117 | 'show_name' => $show_name, 'show_rating' => $show_rating, |
| 118 | 'category' => $category, 'class' => 'linkcat widget' |
| 119 | ))); |
| 120 | } |
| 121 | |
| 122 | function update( $new_instance, $old_instance ) { |