PHP - How To Execute Batch File In Wamp Server Php

I'm currently trying to building a websocket widget, using node package manager(NPM),WAMPserver and electronjs.
the package was well installed because when i start it it works. It log into the console
But i dont know how i can  handle with html. it seems electronjs is not working fow wamp and websocket 
 

public function insert($table, $fields = array())
   { if(count($fields)) //true if $fields holds data
     { $keys = array_keys($fields);

       $values = '';  //to put inside query
       
       $x = 1;

      foreach($fields as $field)
      { $values .= '?';
        if($x < count($fields))
        { $values .= ', ';
        }
        $x++;
      }
   $sql = "INSERT INTO {$table} (`".implode('`, `', $keys) . "`) VALUES({$values})";
      if(!$this->query($sql, $fields)->error())
      { return true;
      }
     }
     return false;
   }

  public function query($sql, $darams = array())
  {
    $this->_error = false;   //reset error
    if($this->_query = $this->_pdo->prepare($sql))
    { $x = 1;
      if(count($darams))
      { foreach($darams as $param)
        { $this->_query->bindValue($x, $param);
          $x++;
        }
      }
      if($this->_query->execute())
      { $this->_results = $this->_query->fetchAll(PDO::FETCH_OBJ);
        $this->_count = $this->_query->rowCount();
      }
      else      //an error has occured in SQL query
      { $this->_error = true;
      }
    }
    return $this;
  }

  public function error()
  { return $this->_error;
   }

   public function count()
   { return $this->_count;
   }

				<div class="widget">
		<?php
				
				echo '<h2>Tags</h2>';
				echo '<ul>';
				getTagCount($DBH);
				echo '</ul>';
		?>
			</div>

function getTagCount($DBH) {
    
    //Make the connection and grab all the tag's TAG TABLE HAS TWO FIELDS id and name
            $stmt = $DBH->query("SELECT * FROM tags");
            $stmt->execute();
            $result = array();
            $result = $stmt->fetchAll();
            //For each row pulled do the following
            foreach ($result as $row){
                //set the tagId and tagName to the id and name fields from the tags table
                $tagId = $row['id'];
                $tagName = ucfirst($row['name']);
                
                //Next grab the list of used tags BLOG_POST_TAGS TABLE HAS TWO FILEDS blog_post_id and tag_id
                $stmt2 = $DBH->query("SELECT count(*) FROM blog_post_tags WHERE tag_id = " . $tagId);
                $stmt2->execute();
                $tagCount = $stmt2->fetchColumn();
                
                //Print the following list 
                echo '<li><a href="blog_tags.php?tagId=' . $tagId . '"title="' . $tagName . '">' . $tagName . '(' . $tagCount . ')</a></li></form>';
                
            //End of loop - start again
            }
            
}