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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 |
|---|---|
| 160 | } else { |
| 161 | list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query(); |
| 162 | } |
| 163 | |
| 164 | $is_trash = ( isset($_GET['status']) && $_GET['status'] == 'trash' ); |
| 165 | |
| 166 | wp_enqueue_script('media'); |
| 167 | require_once('admin-header.php'); |
| 168 | |
| 169 | do_action('restrict_manage_posts'); |
| 170 | ?> |
| 171 | |
| 172 | <div class="wrap"> |
| 173 | <?php screen_icon(); ?> |
| 174 | <h2><?php echo esc_html( $title ); ?> <a href="media-new.php" class="button add-new-h2"><?php echo esc_html_x('Add New', 'file'); ?></a> <?php |
| 175 | if ( isset($_GET['s']) && $_GET['s'] ) |
| 176 | printf( '<span class="subtitle">' . __('Search results for “%s”') . '</span>', esc_html( get_search_query() ) ); ?> |
| 177 | </h2> |
| 178 | |