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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 |
|---|---|
| 120 | } |
| 121 | |
| 122 | $output .= $indent . sprintf( |
| 123 | '<li%s>%s<a%s>%s%s%s</a>%s', |
| 124 | $css_classes, |
| 125 | $args['list_item_before'], |
| 126 | $attributes, |
| 127 | $args['link_before'], |
| 128 | /** This filter is documented in wp-includes/post-template.php */ |
| 129 | apply_filters( 'the_title', $page->post_title, $page->ID ), |
| 130 | $args['link_after'], |
| 131 | $args['list_item_after'] |
| 132 | ); |
| 133 | |
| 134 | if ( ! empty( $args['show_date'] ) ) { |
| 135 | if ( 'modified' === $args['show_date'] ) { |
| 136 | $time = $page->post_modified; |
| 137 | } else { |
| 138 | $time = $page->post_date; |