Example:
<?php class Textarea_Fields_Widget extends WP_Widget { function __construct() { // Instantiate the parent object $widget_ops = array( 'classname' => 'widget_textarea_fields_entries', 'description' => esc_attr__('Textarea Field Widget - Created by deshisoft', 'eye-theme') ); $control_ops = array( 'width' => 275 ); parent::__construct( false, 'Textarea Field Widget', $widget_ops, $control_ops ); } function widget( $args, $instance ) { extract( $args ); // Widget output $title = apply_filters('widget_title', $instance['title']); $textarea = apply_filters('widget_textarea', $instance['textarea']); echo $before_widget; echo '<div style="border:1px solid #ddd; background:#f6f6f6;padding:15px;">'; echo esc_attr($title); echo esc_attr($textarea); echo '</div>'; echo $after_widget; } function update( $new_instance, $old_instance ) { // Save widget options $instance = array(); $instance = $old_instance; $instance['title'] = strip_tags( $new_instance['title'] ); $instance['textarea'] = strip_tags( $new_instance['textarea'] ); return $instance; } function form( $instance ) { // Output admin widget options form $title = $instance['title']; $textarea = $instance['textarea']; ?> <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <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; ?>" /></p> <p><label for="<?php echo $this->get_field_id('textarea'); ?>"><?php _e('Textarea:', 'ds'); ?><textarea rows="3" class="widefat" id="<?php echo $this->get_field_id('textarea'); ?>" name="<?php echo $this->get_field_name('textarea'); ?>"><?php echo $textarea; ?></textarea></label></p> <?php } } function textarea_field_register_widgets() { register_widget( 'Textarea_Fields_Widget' ); } add_action( 'widgets_init', 'textarea_field_register_widgets' ); ?>
Theme Folder -> function.php
Add this line:
require get_template_directory() . '/inc/textarea_widget.php'; // inc folder name depend on your theme.