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1 <?php |
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2 /** |
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3 * Widget API: WP_Widget_Search class |
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4 * |
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5 * @package WordPress |
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6 * @subpackage Widgets |
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7 * @since 4.4.0 |
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8 */ |
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9 |
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10 /** |
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11 * Core class used to implement a Search widget. |
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12 * |
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13 * @since 2.8.0 |
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14 * |
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15 * @see WP_Widget |
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16 */ |
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17 class WP_Widget_Search extends WP_Widget { |
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18 |
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19 /** |
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20 * Sets up a new Search widget instance. |
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21 * |
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22 * @since 2.8.0 |
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23 */ |
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24 public function __construct() { |
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25 $widget_ops = array( |
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26 'classname' => 'widget_search', |
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27 'description' => __( 'A search form for your site.' ), |
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28 'customize_selective_refresh' => true, |
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29 ); |
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30 parent::__construct( 'search', _x( 'Search', 'Search widget' ), $widget_ops ); |
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31 } |
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32 |
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33 /** |
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34 * Outputs the content for the current Search widget instance. |
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35 * |
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36 * @since 2.8.0 |
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37 * |
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38 * @param array $args Display arguments including 'before_title', 'after_title', |
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39 * 'before_widget', and 'after_widget'. |
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40 * @param array $instance Settings for the current Search widget instance. |
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41 */ |
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42 public function widget( $args, $instance ) { |
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43 $title = ! empty( $instance['title'] ) ? $instance['title'] : ''; |
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44 |
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45 /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
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46 $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
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47 |
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48 echo $args['before_widget']; |
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49 if ( $title ) { |
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50 echo $args['before_title'] . $title . $args['after_title']; |
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51 } |
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52 |
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53 // Use current theme search form if it exists |
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54 get_search_form(); |
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55 |
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56 echo $args['after_widget']; |
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57 } |
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58 |
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59 /** |
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60 * Outputs the settings form for the Search widget. |
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61 * |
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62 * @since 2.8.0 |
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63 * |
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64 * @param array $instance Current settings. |
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65 */ |
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66 public function form( $instance ) { |
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67 $instance = wp_parse_args( (array) $instance, array( 'title' => '') ); |
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68 $title = $instance['title']; |
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69 ?> |
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70 <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></label></p> |
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71 <?php |
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72 } |
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73 |
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74 /** |
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75 * Handles updating settings for the current Search widget instance. |
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76 * |
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77 * @since 2.8.0 |
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78 * |
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79 * @param array $new_instance New settings for this instance as input by the user via |
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80 * WP_Widget::form(). |
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81 * @param array $old_instance Old settings for this instance. |
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82 * @return array Updated settings. |
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83 */ |
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84 public function update( $new_instance, $old_instance ) { |
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85 $instance = $old_instance; |
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86 $new_instance = wp_parse_args((array) $new_instance, array( 'title' => '')); |
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87 $instance['title'] = sanitize_text_field( $new_instance['title'] ); |
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88 return $instance; |
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89 } |
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90 |
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91 } |