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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 66 | */ |
| 67 | function start_el(&$output, $item, $depth, $args) { |
| 68 | global $wp_query; |
| 69 | $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; |
| 70 | |
| 71 | $class_names = $value = ''; |
| 72 | |
| 73 | $classes = empty( $item->classes ) ? array() : (array) $item->classes; |
| 74 | |
| 75 | $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); |
| 76 | $class_names = ' class="' . esc_attr( $class_names ) . '"'; |
| 77 | |
| 78 | $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>'; |
| 79 | |
| 80 | $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : ''; |
| 81 | $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : ''; |
| 82 | $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : ''; |
| 83 | $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : ''; |
| 84 | |