104 /** |
104 /** |
105 * Starts the element output. |
105 * Starts the element output. |
106 * |
106 * |
107 * @since 3.0.0 |
107 * @since 3.0.0 |
108 * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added. |
108 * @since 4.4.0 The {@see 'nav_menu_item_args'} filter was added. |
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109 * @since 5.9.0 Renamed `$item` to `$data_object` and `$id` to `$current_object_id` |
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110 * to match parent class for PHP 8 named parameter support. |
109 * |
111 * |
110 * @see Walker::start_el() |
112 * @see Walker::start_el() |
111 * |
113 * |
112 * @param string $output Used to append additional content (passed by reference). |
114 * @param string $output Used to append additional content (passed by reference). |
113 * @param WP_Post $item Menu item data object. |
115 * @param WP_Post $data_object Menu item data object. |
114 * @param int $depth Depth of menu item. Used for padding. |
116 * @param int $depth Depth of menu item. Used for padding. |
115 * @param stdClass $args An object of wp_nav_menu() arguments. |
117 * @param stdClass $args An object of wp_nav_menu() arguments. |
116 * @param int $id Current item ID. |
118 * @param int $current_object_id Optional. ID of the current menu item. Default 0. |
117 */ |
119 */ |
118 public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) { |
120 public function start_el( &$output, $data_object, $depth = 0, $args = null, $current_object_id = 0 ) { |
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121 // Restores the more descriptive, specific name for use within this method. |
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122 $menu_item = $data_object; |
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123 |
119 if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
124 if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
120 $t = ''; |
125 $t = ''; |
121 $n = ''; |
126 $n = ''; |
122 } else { |
127 } else { |
123 $t = "\t"; |
128 $t = "\t"; |
124 $n = "\n"; |
129 $n = "\n"; |
125 } |
130 } |
126 $indent = ( $depth ) ? str_repeat( $t, $depth ) : ''; |
131 $indent = ( $depth ) ? str_repeat( $t, $depth ) : ''; |
127 |
132 |
128 $classes = empty( $item->classes ) ? array() : (array) $item->classes; |
133 $classes = empty( $menu_item->classes ) ? array() : (array) $menu_item->classes; |
129 $classes[] = 'menu-item-' . $item->ID; |
134 $classes[] = 'menu-item-' . $menu_item->ID; |
130 |
135 |
131 /** |
136 /** |
132 * Filters the arguments for a single nav menu item. |
137 * Filters the arguments for a single nav menu item. |
133 * |
138 * |
134 * @since 4.4.0 |
139 * @since 4.4.0 |
135 * |
140 * |
136 * @param stdClass $args An object of wp_nav_menu() arguments. |
141 * @param stdClass $args An object of wp_nav_menu() arguments. |
137 * @param WP_Post $item Menu item data object. |
142 * @param WP_Post $menu_item Menu item data object. |
138 * @param int $depth Depth of menu item. Used for padding. |
143 * @param int $depth Depth of menu item. Used for padding. |
139 */ |
144 */ |
140 $args = apply_filters( 'nav_menu_item_args', $args, $item, $depth ); |
145 $args = apply_filters( 'nav_menu_item_args', $args, $menu_item, $depth ); |
141 |
146 |
142 /** |
147 /** |
143 * Filters the CSS classes applied to a menu item's list item element. |
148 * Filters the CSS classes applied to a menu item's list item element. |
144 * |
149 * |
145 * @since 3.0.0 |
150 * @since 3.0.0 |
146 * @since 4.1.0 The `$depth` parameter was added. |
151 * @since 4.1.0 The `$depth` parameter was added. |
147 * |
152 * |
148 * @param string[] $classes Array of the CSS classes that are applied to the menu item's `<li>` element. |
153 * @param string[] $classes Array of the CSS classes that are applied to the menu item's `<li>` element. |
149 * @param WP_Post $item The current menu item. |
154 * @param WP_Post $menu_item The current menu item object. |
150 * @param stdClass $args An object of wp_nav_menu() arguments. |
155 * @param stdClass $args An object of wp_nav_menu() arguments. |
151 * @param int $depth Depth of menu item. Used for padding. |
156 * @param int $depth Depth of menu item. Used for padding. |
152 */ |
157 */ |
153 $class_names = implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) ); |
158 $class_names = implode( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $menu_item, $args, $depth ) ); |
154 $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
159 $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; |
155 |
160 |
156 /** |
161 /** |
157 * Filters the ID applied to a menu item's list item element. |
162 * Filters the ID applied to a menu item's list item element. |
158 * |
163 * |
159 * @since 3.0.1 |
164 * @since 3.0.1 |
160 * @since 4.1.0 The `$depth` parameter was added. |
165 * @since 4.1.0 The `$depth` parameter was added. |
161 * |
166 * |
162 * @param string $menu_id The ID that is applied to the menu item's `<li>` element. |
167 * @param string $menu_id The ID that is applied to the menu item's `<li>` element. |
163 * @param WP_Post $item The current menu item. |
168 * @param WP_Post $menu_item The current menu item. |
164 * @param stdClass $args An object of wp_nav_menu() arguments. |
169 * @param stdClass $args An object of wp_nav_menu() arguments. |
165 * @param int $depth Depth of menu item. Used for padding. |
170 * @param int $depth Depth of menu item. Used for padding. |
166 */ |
171 */ |
167 $id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth ); |
172 $id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $menu_item->ID, $menu_item, $args, $depth ); |
168 $id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; |
173 $id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; |
169 |
174 |
170 $output .= $indent . '<li' . $id . $class_names . '>'; |
175 $output .= $indent . '<li' . $id . $class_names . '>'; |
171 |
176 |
172 $atts = array(); |
177 $atts = array(); |
173 $atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : ''; |
178 $atts['title'] = ! empty( $menu_item->attr_title ) ? $menu_item->attr_title : ''; |
174 $atts['target'] = ! empty( $item->target ) ? $item->target : ''; |
179 $atts['target'] = ! empty( $menu_item->target ) ? $menu_item->target : ''; |
175 if ( '_blank' === $item->target && empty( $item->xfn ) ) { |
180 if ( '_blank' === $menu_item->target && empty( $menu_item->xfn ) ) { |
176 $atts['rel'] = 'noopener'; |
181 $atts['rel'] = 'noopener'; |
177 } else { |
182 } else { |
178 $atts['rel'] = $item->xfn; |
183 $atts['rel'] = $menu_item->xfn; |
179 } |
184 } |
180 $atts['href'] = ! empty( $item->url ) ? $item->url : ''; |
185 $atts['href'] = ! empty( $menu_item->url ) ? $menu_item->url : ''; |
181 $atts['aria-current'] = $item->current ? 'page' : ''; |
186 $atts['aria-current'] = $menu_item->current ? 'page' : ''; |
182 |
187 |
183 /** |
188 /** |
184 * Filters the HTML attributes applied to a menu item's anchor element. |
189 * Filters the HTML attributes applied to a menu item's anchor element. |
185 * |
190 * |
186 * @since 3.6.0 |
191 * @since 3.6.0 |
193 * @type string $target Target attribute. |
198 * @type string $target Target attribute. |
194 * @type string $rel The rel attribute. |
199 * @type string $rel The rel attribute. |
195 * @type string $href The href attribute. |
200 * @type string $href The href attribute. |
196 * @type string $aria-current The aria-current attribute. |
201 * @type string $aria-current The aria-current attribute. |
197 * } |
202 * } |
198 * @param WP_Post $item The current menu item. |
203 * @param WP_Post $menu_item The current menu item object. |
199 * @param stdClass $args An object of wp_nav_menu() arguments. |
204 * @param stdClass $args An object of wp_nav_menu() arguments. |
200 * @param int $depth Depth of menu item. Used for padding. |
205 * @param int $depth Depth of menu item. Used for padding. |
201 */ |
206 */ |
202 $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth ); |
207 $atts = apply_filters( 'nav_menu_link_attributes', $atts, $menu_item, $args, $depth ); |
203 |
208 |
204 $attributes = ''; |
209 $attributes = ''; |
205 foreach ( $atts as $attr => $value ) { |
210 foreach ( $atts as $attr => $value ) { |
206 if ( is_scalar( $value ) && '' !== $value && false !== $value ) { |
211 if ( is_scalar( $value ) && '' !== $value && false !== $value ) { |
207 $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
212 $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
208 $attributes .= ' ' . $attr . '="' . $value . '"'; |
213 $attributes .= ' ' . $attr . '="' . $value . '"'; |
209 } |
214 } |
210 } |
215 } |
211 |
216 |
212 /** This filter is documented in wp-includes/post-template.php */ |
217 /** This filter is documented in wp-includes/post-template.php */ |
213 $title = apply_filters( 'the_title', $item->title, $item->ID ); |
218 $title = apply_filters( 'the_title', $menu_item->title, $menu_item->ID ); |
214 |
219 |
215 /** |
220 /** |
216 * Filters a menu item's title. |
221 * Filters a menu item's title. |
217 * |
222 * |
218 * @since 4.4.0 |
223 * @since 4.4.0 |
219 * |
224 * |
220 * @param string $title The menu item's title. |
225 * @param string $title The menu item's title. |
221 * @param WP_Post $item The current menu item. |
226 * @param WP_Post $menu_item The current menu item object. |
222 * @param stdClass $args An object of wp_nav_menu() arguments. |
227 * @param stdClass $args An object of wp_nav_menu() arguments. |
223 * @param int $depth Depth of menu item. Used for padding. |
228 * @param int $depth Depth of menu item. Used for padding. |
224 */ |
229 */ |
225 $title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth ); |
230 $title = apply_filters( 'nav_menu_item_title', $title, $menu_item, $args, $depth ); |
226 |
231 |
227 $item_output = $args->before; |
232 $item_output = $args->before; |
228 $item_output .= '<a' . $attributes . '>'; |
233 $item_output .= '<a' . $attributes . '>'; |
229 $item_output .= $args->link_before . $title . $args->link_after; |
234 $item_output .= $args->link_before . $title . $args->link_after; |
230 $item_output .= '</a>'; |
235 $item_output .= '</a>'; |
238 * no filter for modifying the opening and closing `<li>` for a menu item. |
243 * no filter for modifying the opening and closing `<li>` for a menu item. |
239 * |
244 * |
240 * @since 3.0.0 |
245 * @since 3.0.0 |
241 * |
246 * |
242 * @param string $item_output The menu item's starting HTML output. |
247 * @param string $item_output The menu item's starting HTML output. |
243 * @param WP_Post $item Menu item data object. |
248 * @param WP_Post $menu_item Menu item data object. |
244 * @param int $depth Depth of menu item. Used for padding. |
249 * @param int $depth Depth of menu item. Used for padding. |
245 * @param stdClass $args An object of wp_nav_menu() arguments. |
250 * @param stdClass $args An object of wp_nav_menu() arguments. |
246 */ |
251 */ |
247 $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); |
252 $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $menu_item, $depth, $args ); |
248 } |
253 } |
249 |
254 |
250 /** |
255 /** |
251 * Ends the element output, if needed. |
256 * Ends the element output, if needed. |
252 * |
257 * |
253 * @since 3.0.0 |
258 * @since 3.0.0 |
|
259 * @since 5.9.0 Renamed `$item` to `$data_object` to match parent class for PHP 8 named parameter support. |
254 * |
260 * |
255 * @see Walker::end_el() |
261 * @see Walker::end_el() |
256 * |
262 * |
257 * @param string $output Used to append additional content (passed by reference). |
263 * @param string $output Used to append additional content (passed by reference). |
258 * @param WP_Post $item Page data object. Not used. |
264 * @param WP_Post $data_object Menu item data object. Not used. |
259 * @param int $depth Depth of page. Not Used. |
265 * @param int $depth Depth of page. Not Used. |
260 * @param stdClass $args An object of wp_nav_menu() arguments. |
266 * @param stdClass $args An object of wp_nav_menu() arguments. |
261 */ |
267 */ |
262 public function end_el( &$output, $item, $depth = 0, $args = null ) { |
268 public function end_el( &$output, $data_object, $depth = 0, $args = null ) { |
263 if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
269 if ( isset( $args->item_spacing ) && 'discard' === $args->item_spacing ) { |
264 $t = ''; |
270 $t = ''; |
265 $n = ''; |
271 $n = ''; |
266 } else { |
272 } else { |
267 $t = "\t"; |
273 $t = "\t"; |