Costum Links Widget - Link Abstand verändern ?

<?php
/*
Plugin Name: Custom Link Widget
Plugin URI: http://ipankaj.net/custom-link-widget-plugin
Description: This Plugin Helps You To Insert Links As Widget. You Need To Insert Link and Link Name, It Will Convert Them To Hyperlink Automatically. After Installation & Activation, Navigate to Appearence -> Widgets, There Should A Widget Called "Link Widget By Pankaj Biswas", Drag And Add That.
Author: Pankaj Biswas
Author URI: http://ipankaj.net
Version: 1.1.1
*/
class iCLW extends WP_Widget {


    function __construct(){
        $options = array(
            'description' => 'You can add links by entering the URL and LINK NAME, this widget will automatically transform them into hyperlinks.',
            'name' => 'Link Widget By Pankaj Biswas'
        );
        parent::__construct('iCLW','',$options);
    }
    
    //Taking Input From User
    public function form($instance){
        extract($instance);
        ?>
        <p>
        <label for="<?php echo $this->get_field_id('title');?>">Title: </label>
        <input class="widefat" style="background:#fff;" id="<?php echo $this->get_field_id('title');?>" name="<?php echo $this->get_field_name('title');?>" value="<?php if(isset($title)) echo esc_attr($title);?>"/>
        </p>
        <p>
        <label for="<?php echo $this->get_field_id('hLinks');?>">How Many Links You Want To Display? </label>
        <input type="number" min="1" max="20" class="widefat" style="background:#fff;width:40px;text-align:center;" id="<?php echo $this->get_field_id('numB');?>" name="<?php echo $this->get_field_name('numB');?>" value="<?php echo !empty($numB) ? $numB:1;?>"/>
        <br><i>Hit Save After Changing The Number. <b>Do Not Decrease The Number of Links</b>, If Does So, It Will Remove Some Links From The End Of The Array Permanently.</i>
        </p>
        <?php for($i=0;$i<$numB;$i++)
        {
        $count=$i+1;
        $target = 'iT'.$count;
        $link = 'iLink'.$count;
        $name = 'iName'.$count;
        ?>
        <h4>Details for Link <?php echo $count;?></h4>


        <!-- New Window Opening Option -->
        <p>
            <label for="<?php echo $this->get_field_id($target);?>">Open Link In A New Window?</label>
            <input type="checkbox" class="checkbox" <?php checked($instance[$target], true) ?> id="<?php echo $this->get_field_id($target);?>" name="<?php echo $this->get_field_name($target);?>" value="1"/>
        </p>
        <!-- /New Window Opening Option -->


        <p>
        <label for="<?php echo $this->get_field_id($link);?>">URL: (Please Add http://) </label>
        <input class="widefat" style="background:#fff;" id="<?php echo $this->get_field_id($link);?>" name="<?php echo $this->get_field_name($link);?>" value="<?php if(isset($$link)) echo esc_attr($$link);?>"/>
        </p>
        <label for="<?php echo $this->get_field_id($name);?>">Link Title: </label>
        <input class="widefat" style="background:#fff;" id="<?php echo $this->get_field_id($name);?>" name="<?php echo $this->get_field_name($name);?>" value="<?php if(isset($$name)) echo esc_attr($$name);?>"/>
        </p>
        <?php
        }?>
        <?php
    }
    
    //Displaying The Data To Widget


    public function widget($args,$instance){
        extract($args);
        extract($instance);
        $title = apply_filters('widget_title',$title);
        
        echo $before_widget;
        echo $before_title . $title . $after_title;
        echo '<ul>';
        for($i=0;$i<$numB;$i++)
        {
        $count=$i+1;
        $target = 'iT'.$count;
        $link = 'iLink'.$count;
        $name = 'iName'.$count;
        if(empty($$name)) return false;


        //Determining Whether To Open In New Window Or Not
        if($$target == 1) {
                $tar = 'target="_blank" ';
            }else{
                $tar = '';
            }
        echo '<li><a '.$tar.'href="'.esc_attr($$link).'">'.esc_attr($$name).'</a></li>';
        }
        echo '</ul>';
        echo $after_widget;
    
    }
}
add_action('widgets_init','register_iCLW');
function register_iCLW(){
    register_widget('iCLW');
}