<?php
namespace ProVM\Common\Helper;

class Merger {
  protected $separator;
  public function __construct(string $separator) {
    $this->separator = $separator;
  }
  protected $array;
  public function start(): Merger {
    $this->array = [];
    return $this;
  }
  public function add($element): Merger {
    $this->array []= $element;
    return $this;
  }
  public function merge() {
    return implode($this->separator, $this->array);
  }
}