1<?php
2/**
3 * Widget API: WP_Widget_Recent_Posts class
4 *
5 * @package WordPress
6 * @subpackage Widgets
7 * @since 4.4.0
8 */
9
10/**
11 * Core class used to implement a Recent Posts widget.
12 *
13 * @since 2.8.0
14 *
15 * @see WP_Widget
16 */
17class WP_Widget_Recent_Posts extends WP_Widget {
18
19 /**
20 * Sets up a new Recent Posts widget instance.
21 *
22 * @since 2.8.0
23 */
24 public function __construct() {
25 $widget_ops = array(
26 'classname' => 'widget_recent_entries',
27 'description' => __( 'Your site’s most recent Posts.' ),
28 'customize_selective_refresh' => true,
29 'show_instance_in_rest' => true,
30 );
31 parent::__construct( 'recent-posts', __( 'Recent Posts' ), $widget_ops );
32 $this->alt_option_name = 'widget_recent_entries';
33 }
34
35 /**
36 * Outputs the content for the current Recent Posts widget instance.
37 *
38 * @since 2.8.0
39 *
40 * @param array $args Display arguments including 'before_title', 'after_title',
41 * 'before_widget', and 'after_widget'.
42 * @param array $instance Settings for the current Recent Posts widget instance.
43 */
44 public function widget( $args, $instance ) {
45 if ( ! isset( $args['widget_id'] ) ) {
46 $args['widget_id'] = $this->id;
47 }
48
49 $default_title = __( 'Recent Posts' );
50 $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : $default_title;
51
52 /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
53 $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
54
55 $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
56 if ( ! $number ) {
57 $number = 5;
58 }
59 $show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;
60
61 $r = new WP_Query(
62 /**
63 * Filters the arguments for the Recent Posts widget.
64 *
65 * @since 3.4.0
66 * @since 4.9.0 Added the `$instance` parameter.
67 *
68 * @see WP_Query::get_posts()
69 *
70 * @param array $args An array of arguments used to retrieve the recent posts.
71 * @param array $instance Array of settings for the current widget.
72 */
73 apply_filters(
74 'widget_posts_args',
75 array(
76 'posts_per_page' => $number,
77 'no_found_rows' => true,
78 'post_status' => 'publish',
79 'ignore_sticky_posts' => true,
80 ),
81 $instance
82 )
83 );
84
85 if ( ! $r->have_posts() ) {
86 return;
87 }
88 ?>
89
90 <?php echo $args['before_widget']; ?>
91
92 <?php
93 if ( $title ) {
94 echo $args['before_title'] . $title . $args['after_title'];
95 }
96
97 $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
98
99 /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
100 $format = apply_filters( 'navigation_widgets_format', $format );
101
102 if ( 'html5' === $format ) {
103 // The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
104 $title = trim( strip_tags( $title ) );
105 $aria_label = $title ? $title : $default_title;
106 echo '<nav aria-label="' . esc_attr( $aria_label ) . '">';
107 }
108 ?>
109
110 <ul>
111 <?php foreach ( $r->posts as $recent_post ) : ?>
112 <?php
113 $post_title = get_the_title( $recent_post->ID );
114 $title = ( ! empty( $post_title ) ) ? $post_title : __( '(no title)' );
115 $aria_current = '';
116
117 if ( get_queried_object_id() === $recent_post->ID ) {
118 $aria_current = ' aria-current="page"';
119 }
120 ?>
121 <li>
122 <a href="<?php the_permalink( $recent_post->ID ); ?>"<?php echo $aria_current; ?>><?php echo $title; ?></a>
123 <?php if ( $show_date ) : ?>
124 <span class="post-date"><?php echo get_the_date( '', $recent_post->ID ); ?></span>
125 <?php endif; ?>
126 </li>
127 <?php endforeach; ?>
128 </ul>
129
130 <?php
131 if ( 'html5' === $format ) {
132 echo '</nav>';
133 }
134
135 echo $args['after_widget'];
136 }
137
138 /**
139 * Handles updating the settings for the current Recent Posts widget instance.
140 *
141 * @since 2.8.0
142 *
143 * @param array $new_instance New settings for this instance as input by the user via
144 * WP_Widget::form().
145 * @param array $old_instance Old settings for this instance.
146 * @return array Updated settings to save.
147 */
148 public function update( $new_instance, $old_instance ) {
149 $instance = $old_instance;
150 $instance['title'] = sanitize_text_field( $new_instance['title'] );
151 $instance['number'] = (int) $new_instance['number'];
152 $instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
153 return $instance;
154 }
155
156 /**
157 * Outputs the settings form for the Recent Posts widget.
158 *
159 * @since 2.8.0
160 *
161 * @param array $instance Current settings.
162 */
163 public function form( $instance ) {
164 $title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
165 $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
166 $show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;
167 ?>
168 <p>
169 <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
170 <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" />
171 </p>
172
173 <p>
174 <label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label>
175 <input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" />
176 </p>
177
178 <p>
179 <input class="checkbox" type="checkbox"<?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />
180 <label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label>
181 </p>
182 <?php
183 }
184}
185