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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
87           if ( ! empty( $item->front_or_home ) )
88                $output .= ' add-to-top';
89
90           $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
91
92           if ( ! empty( $item->label ) ) {
93                $title = $item->label;
94           } elseif ( isset( $item->post_type ) ) {
95                /** This filter is documented in wp-includes/post-template.php */
96                $title = apply_filters( 'the_title', $item->post_title, $item->ID );
97                if ( ! empty( $item->front_or_home ) && _x( 'Home', 'nav menu home label' ) !== $title )
98                     $title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $title );
99           }
100
101           $output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title );
102            $output .= '</label>';
103
104           // Menu item hidden fields
105           $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';