<?php
declare(strict_types=1);
namespace ParagonIE\Ionizer\Filter;
use ParagonIE\Ionizer\InputFilter;
use ParagonIE\Ionizer\InvalidDataException;
/**
* Class ArrayFilter
* @package ParagonIE\Ionizer\Filter
*/
class ArrayFilter extends InputFilter
{
/**
* @var mixed
*/
protected $default = [];
/**
* @var string
*/
protected $type = 'array';
/**
* Process data using the filter rules.
*
* @param mixed $data
* @return array
* @throws \TypeError
* @throws InvalidDataException
*/
public function process($data = null)
{
if (\is_array($data)) {
$data = (array) $data;
} elseif (\is_null($data)) {
$data = [];
} else {
throw new \TypeError(
\sprintf('Expected an array (%s).', $this->index)
);
}
return (array) parent::process($data);
}
}
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