/home/kueuepay/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Handler.php

<?php

namespace PhpOffice\PhpSpreadsheet\Helper;

class Handler
{
    /** @var string */
    private static $invalidHex = 'Y';

    // A bunch of methods to show that we continue
    // to capture messages even using PhpUnit 10.
    public static function suppressed(): bool
    {
        return @trigger_error('hello');
    }

    public static function deprecated(): string
    {
        return (string) hexdec(self::$invalidHex);
    }

    public static function notice(string $value): void
    {
        date_default_timezone_set($value);
    }

    public static function warning(): bool
    {
        return file_get_contents(__FILE__ . 'noexist') !== false;
    }

    public static function userDeprecated(): bool
    {
        return trigger_error('hello', E_USER_DEPRECATED);
    }

    public static function userNotice(): bool
    {
        return trigger_error('userNotice', E_USER_NOTICE);
    }

    public static function userWarning(): bool
    {
        return trigger_error('userWarning', E_USER_WARNING);
    }
}

[F] Dimension.php
[F] Downloader.php
[F] Handler.php
[F] Html.php
[F] Sample.php
[F] Size.php
[F] TextGrid.php

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Best Practices

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

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