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<?php

/**

* Created by PhpStorm.

* User: Wes

* Date: 2/6/2016

* Time: 4:23 PM

*/

namespace WTForms;

trait FormArrayable

{

/**

* @internal

*

* @param $offset

*

* @return bool

*/

public function offsetExists($offset)

{

return array_key_exists($offset, $this->fields);

}

/**

* @internal

*

* @param $offset

*

* @return null

*/

public function offsetGet($offset)

{

if (array_key_exists($offset, $this->fields)) {

return $this->fields[$offset];

}

return null;

}

/**

* @internal

*

* @param $offset

* @param $value

*/

public function offsetSet($offset, $value)

{

$this->fields[$offset] = $value;

$this->$offset = $value;

}

/**

* @internal

*

* @param $offset

*/

public function offsetUnset($offset)

{

unset($this->fields[$offset]);

$this->$offset = null;

}

}