1
<?php
2
/*
3
Plugin Name: My Widget Plugin
4
Plugin URI: https://www.wpexplorer.com/create-widget-plugin-wordpress/
5
Description: Adds a customizable widget with text, textarea, checkbox, and dropdown.
6
Version: 1.0
7
Author: AJ Clarke
8
Author URI: https://www.wpexplorer.com/
9
License: GPL2
10
*/

1
// Widget class
2
class My_Custom_Widget extends WP_Widget {
3
 
4
    public function __construct() {
5
        parent::__construct(
6
            'my_custom_widget',
7
            __( 'My Custom Widget', 'text_domain' ),
8
            array(
9
                'customize_selective_refresh' => true,
10
            )
11
        );
12
    }
13
 
14
    public function form( $instance ) {
15
        /* ... admin form ... */
16
    }
17
 
18
    public function update( $new_instance, $old_instance ) {
19
        /* ... saving settings ... */
20
    }
21
 
22
    public function widget( $args, $instance ) {
23
        /* ... frontend output ... */
24
    }
25
}
26
 
27
// Widget registration
28
function my_register_custom_widget() {
29
    register_widget( 'My_Custom_Widget' );
30
}
31
add_action( 'widgets_init', 'my_register_custom_widget' );

1
public function form( $instance ) {
2
 
3
    $defaults = array(
4
        'title'    => '',
5
        'text'     => '',
6
        'textarea' => '',
7
        'checkbox' => '',
8
        'select'   => '',
9
    );
10
 
11
    $args = wp_parse_args( (array) $instance, $defaults );
12
    $title    = $args['title'];
13
    $text     = $args['text'];
14
    $textarea = $args['textarea'];
15
    $checkbox = $args['checkbox'];
16
    $select   = $args['select'];
17
    ?>
18
 
19
    <p>
20
        <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>">
21
            <?php _e( 'Widget Title', 'text_domain' ); ?>
22
        </label>
23
        <input class="widefat"
24
               id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"
25
               name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>"
26
               type="text"
27
               value="<?php echo esc_attr( $title ); ?>" />
28
    </p>
29
 
30
    <p>
31
        <label for="<?php echo esc_attr( $this->get_field_id( 'text' ) ); ?>">
32
            <?php _e( 'Text:', 'text_domain' ); ?>
33
        </label>
34
        <input class="widefat"
35
               id="<?php echo esc_attr( $this->get_field_id( 'text' ) ); ?>"
36
               name="<?php echo esc_attr( $this->get_field_name( 'text' ) ); ?>"
37
               type="text"
38
               value="<?php echo esc_attr( $text ); ?>" />
39
    </p>
40
 
41
    <p>
42
        <label for="<?php echo esc_attr( $this->get_field_id( 'textarea' ) ); ?>">
43
            <?php _e( 'Textarea:', 'text_domain' ); ?>
44
        </label>
45
        <textarea class="widefat"
46
                  id="<?php echo esc_attr( $this->get_field_id( 'textarea' ) ); ?>"
47
                  name="<?php echo esc_attr( $this->get_field_name( 'textarea' ) ); ?>"><?php
48
            echo wp_kses_post( $textarea );
49
        ?></textarea>
50
    </p>
51
 
52
    <p>
53
        <input id="<?php echo esc_attr( $this->get_field_id( 'checkbox' ) ); ?>"
54
               name="<?php echo esc_attr( $this->get_field_name( 'checkbox' ) ); ?>"
55
               type="checkbox"
56
               value="1"
57
               <?php checked( '1', $checkbox ); ?> />
58
        <label for="<?php echo esc_attr( $this->get_field_id( 'checkbox' ) ); ?>">
59
            <?php _e( 'Show additional block', 'text_domain' ); ?>
60
        </label>
61
    </p>
62
 
63
    <p>
64
        <label for="<?php echo $this->get_field_id( 'select' ); ?>">
65
            <?php _e( 'Display variant', 'text_domain' ); ?>
66
        </label>
67
        <select name="<?php echo $this->get_field_name( 'select' ); ?>"
68
                id="<?php echo $this->get_field_id( 'select' ); ?>"
69
                class="widefat">
70
        <?php
71
        $options = array(
72
            ''         => __( '— Select —', 'text_domain' ),
73
            'option_1' => __( 'Option 1', 'text_domain' ),
74
            'option_2' => __( 'Option 2', 'text_domain' ),
75
            'option_3' => __( 'Option 3', 'text_domain' ),
76
        );
77
        foreach ( $options as $key => $name ) {
78
            printf(
79
                '<option value="%s" %s>%s</option>',
80
                esc_attr( $key ),
81
                selected( $select, $key, false ),
82
                esc_html( $name )
83
            );
84
        }
85
        ?>
86
        </select>
87
    </p>
88
 
89
<?php }

1
public function update( $new_instance, $old_instance ) {
2
    $instance = $old_instance;
3
 
4
    $instance['title']    = isset( $new_instance['title'] )
5
        ? sanitize_text_field( $new_instance['title'] ) : '';
6
    $instance['text']     = isset( $new_instance['text'] )
7
        ? sanitize_text_field( $new_instance['text'] ) : '';
8
    $instance['textarea'] = isset( $new_instance['textarea'] )
9
        ? wp_kses_post( $new_instance['textarea'] ) : '';
10
    $instance['checkbox'] = isset( $new_instance['checkbox'] ) ? 1 : false;
11
    $instance['select']   = isset( $new_instance['select'] )
12
        ? sanitize_text_field( $new_instance['select'] ) : '';
13
 
14
    return $instance;
15
}

1
public function widget( $args, $instance ) {
2
 
3
    $title    = isset( $instance['title'] )
4
        ? apply_filters( 'widget_title', $instance['title'] ) : '';
5
    $text     = isset( $instance['text'] ) ? $instance['text'] : '';
6
    $textarea = isset( $instance['textarea'] ) ? $instance['textarea'] : '';
7
    $select   = isset( $instance['select'] ) ? $instance['select'] : '';
8
    $checkbox = ! empty( $instance['checkbox'] ) ? $instance['checkbox'] : false;
9
 
10
    echo $args['before_widget'];
11
 
12
    echo '<div class="widget-text wp_widget_plugin_box">';
13
 
14
    if ( $title ) {
15
        echo $args['before_title'] . esc_html( $title ) . $args['after_title'];
16
    }
17
 
18
    if ( $text ) {
19
        echo '<p>' . esc_html( $text ) . '</p>';
20
    }
21
 
22
    if ( $textarea ) {
23
        echo '<div class="widget-textarea">' . wp_kses_post( $textarea ) . '</div>';
24
    }
25
 
26
    if ( $select ) {
27
        echo '<p class="widget-select">' . esc_html( $select ) . '</p>';
28
    }
29
 
30
    if ( $checkbox ) {
31
        echo '<p class="widget-checkbox-result">' . esc_html__( 'Additional block activated', 'text_domain' ) . '</p>';
32
    }
33
 
34
    echo '</div>';
35
 
36
    echo $args['after_widget'];
37
}

1
<?php
2
/*
3
Plugin Name: My Widget Plugin
4
Plugin URI: https://www.wpexplorer.com/create-widget-plugin-wordpress/
5
Description: Adds a customizable widget with text, textarea, checkbox, and dropdown.
6
Version: 1.0
7
Author: AJ Clarke
8
Author URI: https://www.wpexplorer.com/
9
License: GPL2
10
*/
11
 
12
class My_Custom_Widget extends WP_Widget {
13
 
14
    public function __construct() {
15
        parent::__construct(
16
            'my_custom_widget',
17
            __( 'My Custom Widget', 'text_domain' ),
18
            array( 'customize_selective_refresh' => true )
19
        );
20
    }
21
 
22
    public function form( $instance ) {
23
        $defaults = array(
24
            'title' => '', 'text' => '', 'textarea' => '',
25
            'checkbox' => '', 'select' => ''
26
        );
27
        $args = wp_parse_args( (array) $instance, $defaults );
28
        $title    = $args['title'];
29
        $text     = $args['text'];
30
        $textarea = $args['textarea'];
31
        $checkbox = $args['checkbox'];
32
        $select   = $args['select'];
33
        ?>
34
        <p>
35
            <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>">
36
                <?php _e( 'Widget Title', 'text_domain' ); ?>
37
            </label>
38
            <input class="widefat"
39
                   id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"
40
                   name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>"
41
                   type="text" value="<?php echo esc_attr( $title ); ?>" />
42
        </p>
43
        <p>
44
            <label for="<?php echo esc_attr( $this->get_field_id( 'text' ) ); ?>">
45
                <?php _e( 'Text:', 'text_domain' ); ?>
46
            </label>
47
            <input class="widefat"
48
                   id="<?php echo esc_attr( $this->get_field_id( 'text' ) ); ?>"
49
                   name="<?php echo esc_attr( $this->get_field_name( 'text' ) ); ?>"
50
                   type="text" value="<?php echo esc_attr( $text ); ?>" />
51
        </p>
52
        <p>
53
            <label for="<?php echo esc_attr( $this->get_field_id( 'textarea' ) ); ?>">
54
                <?php _e( 'Textarea:', 'text_domain' ); ?>
55
            </label>
56
            <textarea class="widefat"
57
                      id="<?php echo esc_attr( $this->get_field_id( 'textarea' ) ); ?>"
58
                      name="<?php echo esc_attr( $this->get_field_name( 'textarea' ) ); ?>"><?php
59
                echo wp_kses_post( $textarea );
60
            ?></textarea>
61
        </p>
62
        <p>
63
            <input id="<?php echo esc_attr( $this->get_field_id( 'checkbox' ) ); ?>"
64
                   name="<?php echo esc_attr( $this->get_field_name( 'checkbox' ) ); ?>"
65
                   type="checkbox" value="1" <?php checked( '1', $checkbox ); ?> />
66
            <label for="<?php echo esc_attr( $this->get_field_id( 'checkbox' ) ); ?>">
67
                <?php _e( 'Show additional block', 'text_domain' ); ?>
68
            </label>
69
        </p>
70
        <p>
71
            <label for="<?php echo $this->get_field_id( 'select' ); ?>">
72
                <?php _e( 'Display variant', 'text_domain' ); ?>
73
            </label>
74
            <select name="<?php echo $this->get_field_name( 'select' ); ?>"
75
                    id="<?php echo $this->get_field_id( 'select' ); ?>" class="widefat">
76
            <?php
77
            $options = array(
78
                ''         => __( '— Select —', 'text_domain' ),
79
                'option_1' => __( 'Option 1', 'text_domain' ),
80
                'option_2' => __( 'Option 2', 'text_domain' ),
81
                'option_3' => __( 'Option 3', 'text_domain' ),
82
            );
83
            foreach ( $options as $key => $name ) {
84
                printf(
85
                    '<option value="%s" %s>%s</option>',
86
                    esc_attr( $key ),
87
                    selected( $select, $key, false ),
88
                    esc_html( $name )
89
                );
90
            }
91
            ?>
92
            </select>
93
        </p>
94
        <?php
95
    }
96
 
97
    public function update( $new_instance, $old_instance ) {
98
        $instance = $old_instance;
99
        $instance['title']    = isset( $new_instance['title'] )
100
            ? sanitize_text_field( $new_instance['title'] ) : '';
101
        $instance['text']     = isset( $new_instance['text'] )
102
            ? sanitize_text_field( $new_instance['text'] ) : '';
103
        $instance['textarea'] = isset( $new_instance['textarea'] )
104
            ? wp_kses_post( $new_instance['textarea'] ) : '';
105
        $instance['checkbox'] = isset( $new_instance['checkbox'] ) ? 1 : false;
106
        $instance['select']   = isset( $new_instance['select'] )
107
            ? sanitize_text_field( $new_instance['select'] ) : '';
108
        return $instance;
109
    }
110
 
111
    public function widget( $args, $instance ) {
112
        $title    = isset( $instance['title'] )
113
            ? apply_filters( 'widget_title', $instance['title'] ) : '';
114
        $text     = isset( $instance['text'] ) ? $instance['text'] : '';
115
        $textarea = isset( $instance['textarea'] ) ? $instance['textarea'] : '';
116
        $select   = isset( $instance['select'] ) ? $instance['select'] : '';
117
        $checkbox = ! empty( $instance['checkbox'] ) ? $instance['checkbox'] : false;
118
 
119
        echo $args['before_widget'];
120
        echo '<div class="widget-text wp_widget_plugin_box">';
121
 
122
        if ( $title ) {
123
            echo $args['before_title'] . esc_html( $title ) . $args['after_title'];
124
        }
125
        if ( $text ) {
126
            echo '<p>' . esc_html( $text ) . '</p>';
127
        }
128
        if ( $textarea ) {
129
            echo '<div class="widget-textarea">' . wp_kses_post( $textarea ) . '</div>';
130
        }
131
        if ( $select ) {
132
            echo '<p class="widget-select">' . esc_html( $select ) . '</p>';
133
        }
134
        if ( $checkbox ) {
135
            echo '<p class="widget-checkbox-result">'
136
                . esc_html__( 'Additional block activated', 'text_domain' ) . '</p>';
137
        }
138
 
139
        echo '</div>';
140
        echo $args['after_widget'];
141
    }
142
}
143
 
144
function my_register_custom_widget() {
145
    register_widget( 'My_Custom_Widget' );
146
}
147
add_action( 'widgets_init', 'my_register_custom_widget' );