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<?php
declare(strict_types=1);
namespace StellarWP\Validation\Rules;
use Closure; use StellarWP\Validation\Contracts\Sanitizer; use StellarWP\Validation\Contracts\ValidatesOnFrontEnd; use StellarWP\Validation\Contracts\ValidationRule;
class Integer implements ValidationRule, ValidatesOnFrontEnd, Sanitizer { /** * @inheritDoc */ public static function id(): string { return 'integer'; }
/** * @inheritDoc */ public static function fromString(string $options = null): ValidationRule { return new self(); }
/** * @inheritDoc */ public function sanitize($value) { return (int)$value; }
/** * @inheritDoc */ public function serializeOption() { return null; }
/** * @inheritDoc */ public function __invoke($value, Closure $fail, string $key, array $values) { if (is_bool($value) || false === filter_var($value, FILTER_VALIDATE_INT)) { $fail(sprintf(__('%s must be an integer', '%TEXTDOMAIN%'), '{field}')); } } }
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