Anam Hossain anam-hossain

## passing_by_reference.php
<?php

class test
{
  public function addDescription(&$data)
  {
     $data['description'] = 'Hello World!';
  }

  public function printMessages()

## zero-downtime-elasticsearch-reindex.php
<?php
// Foo bar
	<?php

	class test
	{
	public function addDescription(&$data)
	{
	$data['description'] = 'Hello World!';
	}

	public function printMessages()