View difference between Paste ID: J4WpeJdK and RnYAutfg

 <?php
 use yii\data\Pagination;
 
 /**
  * In base model class need to add method paginate
  *
  * public function paginate($perPage = 15, $page = null)
  * {
  *     return new PaginationCollection($this, $perPage, $page);
  * }
  */
 
 class PaginationCollection implements \Iterator, \ArrayAccess
 {
 	/**
 	 * result rows
 	 *
 	 * @access protected
 	 * @var array
 	 */
 	protected $result = [];
 
 	/**
 	 * Per page results
 	 *
 	 * @access protected
 	 * @var int
 	 */
 	protected $perPage = 15;
 
 	/**
 	 * Current page
 	 *
 	 * @access protected
 	 * @var int
 	 */
 	protected $page = 1;
 
 	/**
 	 * Count results
 	 *
 	 * @access protected
 	 * @var int
 	 */
 	protected $count = 0;
 
 	/**
 	 * Pagination object
 	 *
 	 * @access protected
 	 * @var object
 	 */
 	protected $pagination;
 
 	/**
 	 * Constructor
 	 *
 	 * @access public
 	 * @param object $query
 	 * @param int $perPage
 	 * @param int $page
 	 */
 	public function __construct($query, $perPage, $page)
 	{
 		$this->page = $this->getRequestPage($page);
 		$this->perPage = (int) $perPage;
 		$this->count = $query->count();
 		$this->pagination = $this->createPagination();
 		$this->result = $query
 			 ->offset($this->pagination->offset)
-         	->limit($this->pagination->limit)
+         		 ->limit($this->pagination->limit)
-         	->all();
+         		 ->all();
 	}
 
 	/**
 	 * Getter
 	 *
 	 * @access public
 	 * @param mixed $key
 	 * @return mixed
 	 */
 	public function __get($key)
 	{
 		return isset($this->result[$key]) ? $this->result[$key] : null;
 	}
 
 	/**
 	 * Setter
 	 *
 	 * @access public
 	 * @param string $key
 	 * @param mixed $value
 	 */
 	public function __set($key, $value)
 	{
 		$this->result[$key] = $value;
 	}
 
 	/**
 	 * Magic isset
 	 *
 	 * @access public
 	 * @param string $key
 	 * @return bool
 	 */
 	public function __isset($key)
 	{
 		return isset($this->result[$key]);
 	}
 
 	/**
 	 * Magic unset
 	 *
 	 * @access public
 	 * @param string $key
 	 */
 	public function __unset($key)
 	{
 		if ($this->__isset($key)) {
 			unset($this->result[$key]);
 		}
 	}
 
 	/**
 	 * Invoke method, get pagination
 	 *
 	 * @access public
 	 * @return object
 	 */
 	public function __invoke()
 	{
 		return $this->getPagination();
 	}
 
 	/**
 	 * Get pagination object
 	 *
 	 * @access public
 	 * @return object
 	 */
 	public function getPagination()
 	{
 		if (! $this->pagination) {
 			$this->pagination = $this->createPagination();
 		}
 		return $this->pagination;
 	}
 
 	/**
 	 * Iterator rewind
 	 *
 	 * @access public
 	 * @return void
 	 */
 	public function rewind()
     {
         reset($this->result);
     }
 
     /**
      * Iterator current element
      *
      * @access public
      * @return mixed
      */
 	public function current()
 	{
 		return current($this->result);
 	}
 
 	/**
 	 * Iterator key
 	 *
 	 * @access public
 	 * @return string
 	 */
 	public function key()
     {
         return key($this->result);
     }
 
     /**
      * Iterator next element
      *
      * @access public
      * @return mixed
      */
     public function next()
     {
         return next($this->result);
     }
 
     /**
      * Iterator valid
      *
      * @return bool
      */
     public function valid()
     {
         $key = key($this->result);
         return ($key !== NULL && $key !== FALSE);
     }
 
     /**
      * ArrayAccess exists
      *
      * @access public
      * @param string $key
      * @return bool
      */
     public function offsetExists($key)
     {
     	return $this->__isset($key);
     }
 
     /**
      * ArrayAccess get element
      *
      * @access public
      * @param string $key
      * @return mixed
      */
     public function offsetGet($key)
     {
     	return $this->__get($key);
     }
 
     /**
      * ArrayAccess set
      *
      * @access public
      * @param string $key
      * @param mixed $value
      */
     public function offsetSet($key, $value)
     {
     	return $this->__set($key, $value);
     }
 
     /**
      * ArrayAcess unset
      *
      * @access public
      * @param string $key
      * @return void
      */
     public function offsetUnset($key)
     {
     	return $this->__unset($key);
     }
 
     /**
 	 * Create pagination
 	 *
 	 * @access protected
 	 * @return object
 	 */
 	protected function createPagination()
 	{
 		return new Pagination(['pageSize' => $this->perPage, 'page' => $this->page, 'totalCount' => $this->count]);
 	}
 
 	/**
 	 * Get request page
 	 *
 	 * @access protected
 	 * @param int $page
 	 * @return int
 	 */
 	protected function getRequestPage($page)
 	{
 		if (! $page) {
 	         $page = (isset($_REQUEST['page'])) ? $_REQUEST['page'] : 1;
 	    }
 	    return (int) $page * 1;
 	}
 }