<?php
declare(strict_types=1);
namespace ParagonIE\Ionizer\Filter;
use ParagonIE\Ionizer\Contract\FilterInterface;
use ParagonIE\Ionizer\InvalidDataException;
use ParagonIE\Ionizer\Util;
/**
* Class StrictArrayFilter
* @package ParagonIE\Ionizer\Filter
*/
class StrictArrayFilter extends ArrayFilter implements FilterInterface
{
/** @var string */
protected $keyType;
/** @var string */
protected $valueType;
public function __construct(string $keyType, string $valueType)
{
if (!\in_array($keyType, ['int', 'string'], true)) {
throw new \RuntimeException('Cannot accept key types other than "int" or "string".');
}
$this->keyType = $keyType;
$this->valueType = $valueType;
}
/**
* Apply all of the callbacks for this filter.
*
* @param mixed|null $data
* @param int $offset
* @return mixed
* @throws \TypeError
* @throws InvalidDataException
*/
public function applyCallbacks($data = null, int $offset = 0)
{
if ($offset === 0) {
if (\is_null($data)) {
return parent::applyCallbacks([], 0);
} elseif (!\is_array($data)) {
throw new \TypeError(
\sprintf('Expected an array (%s).', $this->index)
);
}
$data = (array) $data;
/**
* @var array<mixed, mixed> $data
* @var string|int|float|bool|array|null $value
*/
foreach ($data as $key => $value) {
$keyType = Util::getType($key);
$valType = Util::getType($value);
if ($keyType !== $this->keyType || $valType !== $this->valueType) {
throw new \TypeError(
\sprintf(
'Expected an array<%s, %s>. At least one element of <%s, %s> was found (%s[%s] == %s).',
$this->keyType,
$this->valueType,
$keyType,
$valType,
$this->index,
\json_encode($key),
\json_encode($value)
)
);
}
}
return parent::applyCallbacks($data, 0);
}
return parent::applyCallbacks($data, $offset);
}
}
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