The Rise of Contactless Payments:...
In recent years, contactless payments have surged in popularity, driven...
<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xls\Color;
class BuiltIn
{
private const BUILTIN_COLOR_MAP = [
0x00 => '000000',
0x01 => 'FFFFFF',
0x02 => 'FF0000',
0x03 => '00FF00',
0x04 => '0000FF',
0x05 => 'FFFF00',
0x06 => 'FF00FF',
0x07 => '00FFFF',
0x40 => '000000', // system window text color
0x41 => 'FFFFFF', // system window background color
];
/**
* Map built-in color to RGB value.
*
* @param int $color Indexed color
*
* @return array
*/
public static function lookup($color)
{
return ['rgb' => self::BUILTIN_COLOR_MAP[$color] ?? '000000'];
}
}
Blog Section
Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.
In recent years, contactless payments have surged in popularity, driven...
As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...
Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...