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BuiltIn.php
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20260921_175631.php
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<?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{rgb: string} */ public static function lookup(int $color): array { return ['rgb' => self::BUILTIN_COLOR_MAP[$color] ?? '000000']; } }