tag based on what is being viewed. */ function writr_wp_title( $title, $sep ) { global $page, $paged; if ( is_feed() ) return $title; // Add the blog name $title .= get_bloginfo( 'name' ); // Add the blog description for the home/front page. $site_description = get_bloginfo( 'description', 'display' ); if ( $site_description && ( is_home() || is_front_page() ) ) $title .= " $sep $site_description"; // Add a page number if necessary: if ( $paged >= 2 || $page >= 2 ) $title .= " $sep " . sprintf( __( 'Page %s', 'writr' ), max( $paged, $page ) ); return $title; } add_filter( 'wp_title', 'writr_wp_title', 10, 2 ); /** * Returns the URL from the post. * * @uses get_the_link() to get the URL in the post meta (if it exists) or * the first link found in the post content. * * Falls back to the post permalink if no URL is found in the post. * * @return string URL */ function writr_get_link_url() { $content = get_the_content(); $has_url = get_url_in_content( $content ); return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() ); } /** * Use … instead of [...] for excerpts. */ function writr_excerpt_more( $more ) { return '…'; } add_filter( 'excerpt_more', 'writr_excerpt_more' ); /** * Wrap more link */ function writr_more_link( $link ) { return '<span class="more-link-wrapper">' . $link . '</span>'; } add_filter( 'the_content_more_link', 'writr_more_link' ); /** * Decrease caption width for non-full-width images. */ function writr_shortcode_atts_caption( $attr ) { global $content_width; if ( '' !== $attr['width'] && $attr['width'] < $content_width ) { $attr['width'] -= 10; } return $attr; } add_filter( 'shortcode_atts_caption', 'writr_shortcode_atts_caption' ); /** * Creates an HTML list of nav menu items that introduces multi-levels. */ class writr_nav_walker extends Walker_Nav_Menu { // Each time an element is the child of the prior element, this is called. function start_lvl( &$output, $depth = 0, $args = array() ) { if ( $depth >= 1 ) $output .= apply_filters( 'walker_nav_menu_start_lvl', '<ul class="dropdown-menu submenu-hide">', $depth, $args ); else $output .= apply_filters( 'walker_nav_menu_start_lvl', '<ul class="dropdown-menu">', $depth, $args ); } // Each time an individual element is processed, start_el is called. function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) { $css_classes = implode( ' ', $object->classes ?? [] ); $target = isset( $object->target ) && '' != $object->target ? ' target="_blank" ' : ''; // If the current menu item has children, we need to set the proper class names on the list items and the anchors. Parent menu items can't have blank targets. if ( isset( $args->has_children ) && $args->has_children ) { if ( $object->menu_item_parent == 0 ) { $menu_item = get_permalink() == $object->url ? '<li class="dropdown ' . $css_classes . '">' : '<li class="dropdown ' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '" class="dropdown-toggle"' . '>'; } else { $menu_item = '<li class="dropdown submenu ' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '" class="dropdown-toggle"' . $target . '>'; } } else { $menu_item = get_permalink() == $object->url ? '<li class="active ' . $css_classes . '">' : '<li class="' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '"' . $target . '>'; } // Render the actual menu title $menu_item .= $object->title; // Close the anchor $menu_item .= '</a>'; $output .= apply_filters ( 'nav_walker_start_el', $menu_item, $object, $depth, $args ); } // Set a value in the element's arguments that allow us to determine if the current menu item has children. function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { $id_field = $this->db_fields['id']; if ( is_object( $args[0] ) ) $args[0]->has_children = ! empty( $children_elements[$element->$id_field] ); return parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); } // Each time an element is processed, end_el is called after start_el. function end_el( &$output, $object, $depth = 0, $args = array() ) { $output .= apply_filters( 'nav_walker_end_el', '</li>', $object, $depth, $args ); } // Each time an element is no longer below on of the current parents, this is called. function end_lvl( &$output, $depth = 0, $args = array() ) { $output .= apply_filters( 'nav_walker_end

post_parent ) && $image->post_parent != $id ) $url .= '#main'; return $url; } add_filter( 'attachment_link', 'writr_enhanced_image_navigation', 10, 2 ); /** * Filters wp_title to print a neat tag based on what is being viewed. */ function writr_wp_title( $title, $sep ) { global $page, $paged; if ( is_feed() ) return $title; // Add the blog name $title .= get_bloginfo( 'name' ); // Add the blog description for the home/front page. $site_description = get_bloginfo( 'description', 'display' ); if ( $site_description && ( is_home() || is_front_page() ) ) $title .= " $sep $site_description"; // Add a page number if necessary: if ( $paged >= 2 || $page >= 2 ) $title .= " $sep " . sprintf( __( 'Page %s', 'writr' ), max( $paged, $page ) ); return $title; } add_filter( 'wp_title', 'writr_wp_title', 10, 2 ); /** * Returns the URL from the post. * * @uses get_the_link() to get the URL in the post meta (if it exists) or * the first link found in the post content. * * Falls back to the post permalink if no URL is found in the post. * * @return string URL */ function writr_get_link_url() { $content = get_the_content(); $has_url = get_url_in_content( $content ); return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() ); } /** * Use … instead of [...] for excerpts. */ function writr_excerpt_more( $more ) { return '…'; } add_filter( 'excerpt_more', 'writr_excerpt_more' ); /** * Wrap more link */ function writr_more_link( $link ) { return '<span class="more-link-wrapper">' . $link . '</span>'; } add_filter( 'the_content_more_link', 'writr_more_link' ); /** * Decrease caption width for non-full-width images. */ function writr_shortcode_atts_caption( $attr ) { global $content_width; if ( '' !== $attr['width'] && $attr['width'] < $content_width ) { $attr['width'] -= 10; } return $attr; } add_filter( 'shortcode_atts_caption', 'writr_shortcode_atts_caption' ); /** * Creates an HTML list of nav menu items that introduces multi-levels. */ class writr_nav_walker extends Walker_Nav_Menu { // Each time an element is the child of the prior element, this is called. function start_lvl( &$output, $depth = 0, $args = array() ) { if ( $depth >= 1 ) $output .= apply_filters( 'walker_nav_menu_start_lvl', '<ul class="dropdown-menu submenu-hide">', $depth, $args ); else $output .= apply_filters( 'walker_nav_menu_start_lvl', '<ul class="dropdown-menu">', $depth, $args ); } // Each time an individual element is processed, start_el is called. function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) { $css_classes = implode( ' ', $object->classes ?? [] ); $target = isset( $object->target ) && '' != $object->target ? ' target="_blank" ' : ''; // If the current menu item has children, we need to set the proper class names on the list items and the anchors. Parent menu items can't have blank targets. if ( isset( $args->has_children ) && $args->has_children ) { if ( $object->menu_item_parent == 0 ) { $menu_item = get_permalink() == $object->url ? '<li class="dropdown ' . $css_classes . '">' : '<li class="dropdown ' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '" class="dropdown-toggle"' . '>'; } else { $menu_item = '<li class="dropdown submenu ' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '" class="dropdown-toggle"' . $target . '>'; } } else { $menu_item = get_permalink() == $object->url ? '<li class="active ' . $css_classes . '">' : '<li class="' . $css_classes . '">'; $menu_item .= '<a href="' . $object->url . '"' . $target . '>'; } // Render the actual menu title $menu_item .= $object->title; // Close the anchor $menu_item .= '</a>'; $output .= apply_filters ( 'nav_walker_start_el', $menu_item, $object, $depth, $args ); } // Set a value in the element's arguments that allow us to determine if the current menu item has children. function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { $id_field = $this->db_fields['id']; if ( is_object( $args[0] ) ) $args[0]->has_children = ! empty( $children_elements[$element->$id_field] ); return parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); } // Each time an element is processed, end_el is called after start_el. function end_el( &$output, $object, $depth = 0, $args = array() ) { $output .= apply_filters( 'nav_walker_end_el', '</li>', $object, $depth, $args ); } // Each time an element is no longer below on of the current parents, this is called. function end_lvl( &$output, $depth = 0, $args = array() ) { $output .= apply_filters( 'nav_walker_end_lvl', '</ul>', $depth, $args ); } }