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<?php

namespace Tests;

class CsvFileIterator implements \Iterator

{

/**

* @var resource

*/

protected $file;

/**

* @var int

*/

protected $key = 0;

/**

* @var

*/

protected $current;

/**

* CsvFileIterator constructor.

*

* @param $file

*/

public function __construct($file)

{

$this->file = fopen($file, 'r');

}

public function __destruct()

{

fclose($this->file);

}

public function rewind()

{

rewind($this->file);

$this->current = fgetcsv($this->file);

$this->key = 0;

}

/**

* @return bool

*/

public function valid()

{

return !feof($this->file);

}

/**

* @return int

*/

public function key()

{

return $this->key;

}

/**

* @return mixed

*/

public function current()

{

return $this->current;

}

public function next()

{

$this->current = fgetcsv($this->file);

++$this->key;

}

}