Libraries which containing the PHP class Validator

Solve: PHP Fatal error: Uncaught Error: Class "Validator" not found

LaravelEnso\FormBuilder\app\Classes\Validator

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This class belongs to the vendor Laravel-enso and the package Formbuilder

Magento\Framework\View\Element\Template\File\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\CatalogImportExport\Model\Import\Product\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Framework\Communication\Config\Reader\XmlReader\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Framework\Session\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Framework\App\Config\Scope\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Backend\Model\Menu\Item\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Framework\View\Model\Layout\Update\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Sales\Model\Order\Shipment\Comment\Validator

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This class belongs to the vendor Magento and the package Community-edition

Magento\Customer\Model\Metadata\Validator

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This class belongs to the vendor Magento and the package Community-edition