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<?php
/**
 * @link https://craftcms.com/
 * @copyright Copyright (c) Pixel & Tonic, Inc.
 * @license https://craftcms.github.io/license/
 */

namespace craft\validators;

use Craft;
use craft\helpers\App;
use yii\validators\UrlValidator as YiiUrlValidator;

/**
 * Class UrlValidator.
 *
 * @author Pixel & Tonic, Inc. <support@pixelandtonic.com>
 * @since 3.0.0
 */
class UrlValidator extends YiiUrlValidator
{
    /**
     * @since 3.6.0
     */
    public const URL_PATTERN = '^(?:(?:{schemes}:)?\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)?|\/)[^\s]*$';

/**
     * @var bool Whether the value can begin with an alias
     * @deprecated
     */
    public bool $allowAlias = false;

/**
     * @inheritdoc
     */
    public function __construct(array $config = [])
    {
        // Override the $pattern regex so that a TLD is not required, and the protocol may be relative.
        if (!isset($config['pattern'])) {
            $config['pattern'] = '/' . self::URL_PATTERN . '/i';
        }

// Enable support for validating international domain names if the server supports IDNA ASCII strings
        if (!isset($config['enableIDN']) && App::supportsIdn()) {
            $config['enableIDN'] = true;
        }

parent::__construct($config);
    }

/**
     * @inheritdoc
     */
    public function validateValue($value): ?array
    {
        if ($this->allowAlias && strncmp($value, '@', 1) === 0) {
            $value = Craft::getAlias($value);

// Prevent validateAttribute() from prepending a default scheme if the alias is missing one
            $this->defaultScheme = null;
        }

// Add support for protocol-relative URLs
        if (isset($this->defaultScheme) && str_starts_with($value, '/')) {
            $this->defaultScheme = null;
        }

return parent::validateValue($value);
    }
}

/srv/users/craft4/apps/craft4-newsite-space/vendor/./craftcms/./cms/src/validators/UrlValidator.php