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<?php
namespace StellarWP\Validation\Rules;
use Closure;
use StellarWP\Validation\Config;
use StellarWP\Validation\Contracts\ValidatesOnFrontEnd;
use StellarWP\Validation\Contracts\ValidationRule;
class In implements ValidationRule, ValidatesOnFrontEnd
{
/**
* @var array
*/
protected $acceptedValues;
/**
* @since 1.2.0
*/
public static function id(): string
{
return 'in';
}
/**
* @since 1.2.0
*/
final public function __construct(...$acceptedValues)
{
if (empty($acceptedValues)) {
Config::throwInvalidArgumentException('The In rule requires at least one value to be specified.');
}
$this->acceptedValues = $acceptedValues;
}
/**
* @since 1.2.0
*/
public static function fromString(string $options = null): ValidationRule
{
if (empty(trim($options))) {
Config::throwInvalidArgumentException('The In rule requires at least one value to be specified.');
}
$values = explode(',', $options);
if (empty($values)) {
Config::throwInvalidArgumentException('The In rule requires at least one value to be specified.');
}
return new static(...$values);
}
/**
* @since 1.2.0
*/
public function __invoke($value, Closure $fail, string $key, array $values)
{
if (!in_array($value, $this->acceptedValues)) {
$fail(sprintf(__('%s must be one of %s', '%TEXTDOMAIN%'), '{field}', implode(', ', $this->acceptedValues)));
}
}
/**
* @since 1.2.0
*/
public function serializeOption(): array
{
return $this->acceptedValues;
}
}
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