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<?php | |
namespace Verja\Validator; | |
use Verja\Error; | |
use Verja\Validator; | |
class IsArray extends Validator | |
{ | |
const TYPE_ANY = 'any'; | |
const TYPE_ASSOC = 'assoc'; | |
const TYPE_INDEX = 'index'; | |
protected $type; | |
/** | |
* IsArray constructor. | |
* | |
* @param string $type 'any' (default), 'assoc' or 'index' | |
*/ | |
public function __construct(string $type = self::TYPE_ANY) | |
{ | |
$this->type = $type; | |
} | |
/** | |
* Validate $value | |
* | |
* @param mixed $value | |
* @param array $context | |
* @return bool | |
*/ | |
public function validate($value, array $context = []): bool | |
{ | |
$parameters = ['type' => $this->type]; | |
if (!is_array($value)) { | |
$this->error = new Error('NO_ARRAY', $value, 'value should be an array', $parameters); | |
return false; | |
} elseif ($this->type !== self::TYPE_ANY) { | |
$isIndexed = empty($value) || array_keys($value) === range(0, count($value) -1); | |
if ($this->type === self::TYPE_ASSOC && $isIndexed) { | |
$this->error = new Error('NO_ASSOC_ARRAY', $value, 'value should be an associative array', $parameters); | |
return false; | |
} elseif ($this->type === self::TYPE_INDEX && !$isIndexed) { | |
$this->error = new Error('NO_INDEX_ARRAY', $value, 'value should be an indexed array', $parameters); | |
return false; | |
} | |
} | |
return true; | |
} | |
public function getInverseError($value) | |
{ | |
return new Error('IS_ARRAY', $value, 'value should not be an array'); | |
} | |
} |