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Model

OrderIncrementIdChecker

Magento\Sales\Model\OrderIncrementIdChecker

What it does

This class verifies whether a specific order increment ID (order number) has already been used in the system.

Developers use this to prevent duplicate order IDs when generating new orders or validating reserved order numbers, ensuring each order has a unique identifier in the database.

Public Methods

  • isIncrementIdUsed()