/home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Category.php
<?php

namespace PhpOffice\PhpSpreadsheet\Calculation;

abstract class Category
{
    // Function categories
    const CATEGORY_CUBE = 'Cube';
    const CATEGORY_DATABASE = 'Database';
    const CATEGORY_DATE_AND_TIME = 'Date and Time';
    const CATEGORY_ENGINEERING = 'Engineering';
    const CATEGORY_FINANCIAL = 'Financial';
    const CATEGORY_INFORMATION = 'Information';
    const CATEGORY_LOGICAL = 'Logical';
    const CATEGORY_LOOKUP_AND_REFERENCE = 'Lookup and Reference';
    const CATEGORY_MATH_AND_TRIG = 'Math and Trig';
    const CATEGORY_STATISTICAL = 'Statistical';
    const CATEGORY_TEXT_AND_DATA = 'Text and Data';
    const CATEGORY_WEB = 'Web';
    const CATEGORY_UNCATEGORISED = 'Uncategorised';
}
Path: home/kueuepay/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation
Best Practice
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Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.
Error Handling Examples