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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1181 | $css_class[] = 'current_page_item'; |
| 1182 | elseif ( $_current_page && $page->ID == $_current_page->post_parent ) |
| 1183 | $css_class[] = 'current_page_parent'; |
| 1184 | } elseif ( $page->ID == get_option('page_for_posts') ) { |
| 1185 | $css_class[] = 'current_page_parent'; |
| 1186 | } |
| 1187 | |
| 1188 | $css_class = implode(' ', apply_filters('page_css_class', $css_class, $page)); |
| 1189 | |
| 1190 | $output .= $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page->ID) . '" title="' . esc_attr(apply_filters('the_title', $page->post_title)) . '">' . $link_before . apply_filters('the_title', $page->post_title) . $link_after . '</a>'; |
| 1191 | |
| 1192 | if ( !empty($show_date) ) { |
| 1193 | if ( 'modified' == $show_date ) |
| 1194 | $time = $page->post_modified; |
| 1195 | else |
| 1196 | $time = $page->post_date; |
| 1197 | |
| 1198 | $output .= " " . mysql2date($date_format, $time); |
| 1199 | } |