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<?php
/*
* This file is part of Simple Validator.
*
* (c) Frédéric Guillot <contact@fredericguillot.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace SimpleValidator\Validators;
use SimpleValidator\Base;
/**
* @author Frédéric Guillot <contact@fredericguillot.com>
*/
class Alpha extends Base
{
public function execute(array $data)
{
if (isset($data[$this->field]) && $data[$this->field] !== '') {
if (! ctype_alpha($data[$this->field])) {
return false;
}
}
return true;
}
}
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